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al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 1 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 universal high voltage high brightness led driver description the al9910/a high voltage pwm led driver-controller provides an efficient solution for offline high brightness led lamps from rectified line voltages ranging from 85v ac up to 277v ac . the al9910 drives external mosfets at switching frequencies up to 300khz, with the switching frequency determined by a single resistor. the al9910 topology creates a constant current through the leds providing constant light output. the output current is programmed by one external resistor and is ultimately determined by the external mosfet chosen and therefore allows many low current leds to be driven as well as a few high current leds. the led brightness can be varied by both linear and pwm dimming using the al9910?s ld and pwm_d pi ns respectively. the pwm_d input operates with duty ratio of 0-100% and frequency of up to several khz. the al9910 can withstand input voltages up to 500v which makes it very resilient to transients at standard mains voltages. as well as standard so-8 package the al9910 is available in the thermally enhanced so-8ep package. features ? >90% efficiency ? universal rectified 85 to 277v ac input range ? input voltage up to 500v ? internal voltage regulator removes start-up resistor ? 7.5v mosfet drive ? al9910 ? 10v mosfet drive ? al9910a ? tighter current sense tolerance: 5% al9910-5, al9910a-5 ? drives led lamps with both high and low current leds ? led brightness control with linear and pwm dimming ? internal thermal protection (otp) ? available in so-8 and so-8ep packages ? totally lead-free & fully rohs compliant (notes 1 & 2) ? halogen and antimony free. ?green? device (note 3) ? pin assignments applications ? led offline lamps ? high voltage dc-dc led driver ? signage and decorative led lighting ? back lighting of flat panel displays ? general purpose constant current source notes: 1. no purposely added lead. fully eu directiv e 2002/95/ec (rohs) & 2011/6 5/eu (rohs 2) compliant. 2. see http://www.diodes.com/quality/lead_free.html for more in formation about diodes incorporated?s definitions of halogen- a nd antimony-free, "green" and lead-free. 3. halogen- and antimony-free "green? products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total br + cl) and <1000ppm antimony compounds. pwm_d v dd ld r osc gate gnd cs v in (top view) so-8 1 2 3 4 8 7 6 5 al9910 pwm_d v dd ld r osc gate gnd cs v in (top view) so-8ep 1 2 3 4 8 7 6 5 al9910
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 2 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 typical applications circuit pin descriptions pin name pin number function so-8 so-8ep v in 1 1 input voltage cs 2 2 senses led string and external mosfet switch current gnd 3 3 device ground gate 4 4 drives the gate of the external mosfet switch. pwm_d 5 5 low frequency pwm dimming pin, al so enable input. internal 200k ? pull-down to gnd. v dd 6 6 internally regulated supply voltage. ? 7.5v nominal for al9910 and al9910-5 ? 10v nominal for al9910a. can supply up to 1 ma for external circuitry. a suffi cient storage capacitor is used to provide storage when the rectified ac input is near the zero crossing. ld 7 7 linear dimming input. changes the current limit thres hold at current sense comparator and changes the average led current. r osc 8 8 oscillator control. a resistor connected between this pin and ground sets the pwm frequency. the devices can be switched into constant off time (pfm) mode by connecting the external oscillator resistor between r osc pin and the gate of the external mosfet. ep pad n/a ep exposed pad (bottom). connect to gnd directly underneath the package. functional block diagram r sense al9910/a gate cs ld pwm_d gnd r osc v dd v in v ac in q1 l1 d1 c1 r osc c2 c3 br1 r sense al9910/a gate cs ld pwm_d gnd r osc v dd v in v ac in q1 l1 d1 c1 r osc c2 c3 br1
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 3 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 absolute maximum ratings (note 4) (@t a = +25c, unless otherwise specified.) symbol parameter ratings unit v in(max) maximum input voltage, v in , to gnd -0.5 to +520 v v cs maximum cs input pin voltage relative to gnd -0.3 to +0.45 v v ld maximum ld input pin voltage relative to gnd -0.3 to (v dd +0.3) v v pwm_d maximum pwm_d input pin voltage relative to gnd -0.3 to (v dd +0.3) v v gate maximum gate pin voltage relative to gnd -0.3 to (v dd +0.3) v v dd(max) maximum v dd pin voltage relative to gnd 12 v continuous power dissipation (t a = +25 c) so-8 (derate 6.3mw/ c above +25 c) 630 mw so-8ep (derate at 22mw/c above 25c) 2200 mw t j junction temperature range +150 c t st storage temperature range -65 to +150 c esd hbm human body model esd protection (note 5) 1500 v esd mm machine model esd protection (note 5) 300 v notes: 4. stresses above those listed under absolute maximum rati ngs may cause permanent damage to the device. this is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specificat ion is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. all voltages are with respect to ground. currents are positive into, negative out of the specified terminal. 5. semiconductor devices are esd sensitive and may be damaged by exposure to esd events. suitable esd precautions should be ta ken when handling and transporting these devices recommended operating conditions (@t a = +25c, unless otherwise specified.) symbol parameter min max unit v indc input dc supply voltage range al9910 al9910-5 15.0 500 v al9910a al9910a-5 20.0 500 t a ambient temperature range (note 6) al9910_s -40 +85 c al9910_sp -40 +105 v dd maximum recommended voltage applied to v dd pin (note 7) al9910 al9910-5 10 v al9910a al9910a-5 12 v en(lo) pin pwm_d input low voltage 0 1 v v en(hi) pin pwm_d input high voltage 2.4 v dd notes: 6. maximum ambient temperature range is limited by allow able power dissipation. the exposed pad so-8ep with its lower th ermal impedance allows the variants using this package to extend the allowable maximum ambient temperature range. 7. when using the al9910 in isolated led lamps an auxiliary winding might be used.
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 4 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 electrical characteristics (@t a = +25c, unless otherwise specified.) symbol parameter conditions min typ max unit i insd shut-down mode supply current pin pwm_d to gnd, v in = v in(min) (note 6) al9910 al9910-5 0.50 1 ma al9910a 0.65 1.2 v dd internally regulated voltage v in = v in(min) ~500v, (note 8) l dd(ext) = 0, gate pin open al9910 al9910-5 7.0 7.5 8.0 v al9910a 9 10 11 i dd(ext) v dd current available for external circuitry v in = v in(min) to 100v (notes 8 & 9) 1.0 ma uvlo v dd under voltage lockout threshold v dd rising al9910 al9910-5 6.4 6.7 7 v al9910a 8 9 10 ? uvlo v dd under voltage lockout hysteresis v dd falling al9910 al9910-5 500 mv al9910a 750 r pwm_d pwm_d pull-down resistance v pwm_d = 5v 150 200 250 k ? v cs(hi) current sense threshold voltage full ambient temperature range (note 10) al9910 225 250 275 mv al9910a 230 255 280 al9910a-5 242 255 267 al9910-5 237.5 250 262.5 v gate(hi) gate high output voltage i out = 10ma v dd -0.3 v dd v v gate(lo) gate low output voltage i out = -10ma 0 0.3 v f osc oscillator frequency r osc = 1m ? 20 25 30 khz r osc = 226k ? 80 100 120 d maxhf maximum oscillator pwm duty cycle f pwmhf = 25khz, at gate, cs to gnd. 100 % v ld linear dimming pin voltage range full ambient temperature range (note 10), v in = 20v 0 - 250 mv t blank current sense blanking interval v cs = 0.45v, v ld = v dd 160 250 440 ns t delay delay from cs trip to gate lo v in = 20v, v ld = 0.15, v cs = 0 to 0.22v after t blank 300 ns t rise gate output rise time c gate = 500pf 30 50 ns t fall gate output fall time c gate = 500pf 30 50 ns t sd thermal shut down 150 c t sdh thermal shut down hysteresis 50 ja thermal resistance junction-to- ambient so-8 (note 11) 110 c/w so-8ep (note 12) 66 jc thermal resistance junction-to-case so-8 (note 11) 22 c/w so-8ep (note 12) 9 notes: 8. v in(min) for the al9910 is 15v and for the al9910a it is 20v. 9. also limited by package power diss ipation limit, whichever is lower. 10. full ambient temperature range fo r al9910-5s, al9910as and al9910s is -40 to +85c; for al9910-5sp, al9910 asp and al9910sp is -40c to +105c. 11. device mounted on fr-4 pcb (25 mm x 25mm 1oz copper, minimum recommended pad layout on top. for better ther mal performance, larger copper pad for heat-sink is needed. 12. device mounted on fr-4 pcb (51 mm x 51mm 2oz copper, minimum recommended pad layout on top layer and therma l vias to bottom layer ground plane. for better thermal performance , larger copper pad for heat-sink is needed.
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 5 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 typical characteristics -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -40 -15 10 35 60 85 am bient temper ature (c) change in current sense threshold vs. ambient temperature current sense threshold (mv) 280 300 320 340 360 380 400 420 440 460 -40 -15 10 35 60 85 ambien t temperature ( c) input current vs. ambient temperature v = 15v in v = 400v in input current (a) v dimming control (mv) i vs. v dimming control ld out max ld 0 10 20 30 40 50 60 70 80 90 100 050 100 150 200 250 300 i (%) out max i = 281ma v = 264v t = 23.5c led in a 150 200 250 300 350 400 450 85 105 125 145 165 185 205 225 245 265 i nput voltage (v ) 180ma led driver short circuit output current vs. i nput voltage rms short circuit output current (ma) i = 180ma led(nom) -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1. 5 -40 -15 10 35 60 85 am bient temper ature (c) change in oscillation frequency vs. ambient temperature change in frequency (%) r = 1m osc r = 226k osc
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 6 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 typical characteristics (cont.) measured using al9910ev4 140 150 160 170 180 190 200 85 105 125 145 165 185 205 225 245 265 input voltage (v ) 180ma led driver output current vs. input voltage rms i (ma) out max 18 leds 16 leds 14 leds 15 leds 17 leds 80 85 90 9 5 105 125 145 165 185 205 225 245 265 85 i nput voltage (v ) 180ma led driver efficiency vs. input voltage rms efficiency (%) 15 leds 16 leds 17 leds 18 leds 14 leds 0.7 0.75 0.8 0.85 0.9 0.9 5 85 105 125 145 165 185 205 225 245 265 input voltage (v ) 180ma led driver power factor vs. input voltage rms power facto r 18 leds 17 leds 16 leds 15 leds 14 leds 4 6 8 10 12 85 105 125 145 165 185 205 225 245 265 input voltage (v ) 180ma led driver input power dissipation vs. input voltage rms power (w) 14 leds 15 leds 16 leds 17 leds 18 leds
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 7 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 application information the al9910 is very versatile and is capable of operating in is olated or non-isolated topologies . it can also be made to operate in continuous as well as discontinuous conduction mode. figure 1 functional block diagram the al9910 contains a high voltage ldo (see figure 1) the output of the ldo provides a power rail to the internal circuitry inc luding the gate driver. a uvlo on the output of the ldo prevents incorrect operation at low input voltage to the v in pin. in a non-isolated buck led driver when the gate pin goes high the ex ternal power mosfet q1 is turned on causing current to flow through the leds, inductor (l1) and cu rrent sense resistor (r sense ). when the voltage across r sense exceeds the current sense pin threshold the external mosfet q1 is turned off. the stored energy in the inductor causes the current to continue to flow through the leds via diode d1 . the al9910?s ldo provides all power to the rest of the ic incl uding gate drive this removes the need for large high power start -up resistors. this means that operate correctly it requires around 0.5ma from the high voltage power rail. the ldo can also be used to supply up t o 1ma to external circuits. the al9910 operates and regulates by limiting the peak current of the external mosfet; the peak current sense threshold is nomi nally set at 250mv. the same basic operation is true for isol ated topologies, however in these the energy stored in the transformer delivers energy to leds during the off-cycle of the external mosfet. design parameters setting the led current in the non-isolated buck converter topology, figure 1, the average led current is not the peak current divided by 2 - however, there is a certain error due to the difference between the peak and the average curren t in the inductor. the following equation accounts for this error: () )) i * 5 . 0 ( i mv 250 r ripple led sense + = . 250mv ld v dd ldo v in otp pwm_d gnd 7.5/10v osc s ro r osc gate cs 100k v dd v in r sense al9910/al9910a 250mv ld v dd ldo v in otp pwm_d gnd 7.5/10v osc s ro r osc gate cs 100k v dd v in r sense al9910/al9910a
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 8 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 applications information (cont.) setting operating frequency the al9910 is capable of operating over a 25 and 300 khz switchi ng frequency range. the switching frequency is programmed by co nnecting an external resistor between r osc pin and ground. the corresponding oscillator period is: t osc = 25 22 r osc + s with r osc in k the switching frequency is the reciprocal of the oscillator period. typical values for r osc vary from 75k to 1m when driving smaller numbers of leds, ca re should be taken to ensure that t on > t blank . the simplest way to do this is to reduce/limit the switching frequency by increasing the r osc value. reducing the switching frequency will also improve the efficiency. when operating in buck mode the designer must keep in mind that the input voltage must be maintained higher than 2 times the fo rward voltage drop across the leds. this limitation is re lated to the output current instability that may develop when the al9910 operates at a duty cycle greater than 0.5. this instability reveals itself as an o scillation of the output current at a sub-harmonic (sbo) of the switching frequency. the best solution is to adopt the so-called constant o ff-time operation as shown in figure 2. the resistor (r osc ) is, connected to ground by default, to set operating frequency. to force the al9910 to enter constant off time mode r osc is connected to the gate of the external mosfet. this will decrease the duty cycle from 50% by increasing the total period, t off + t on . figure 2. constant off-time configuration the oscillator period equation above now defines the al9910 off time, t off . when using this mode the nominal switchi ng frequency is chosen and from the nominal input and output voltages the off-time can be calculated: osc ) nom ( in ) nom ( out off f 1 v v 1 t ? ? ? ? ? ? ? ? ? ? = from this the timing resistor, r osc , can be calculated: ( ) ) k ( 22 25 ) s ( t r off osc ? ? = inductor selection the non-isolated buck circuit, figure 1, is usually selected and it has two operat ion modes: continuous and discontinuous condu ction modes. a buck power stage can be designed to operate in continuous mode for load current above a certain level usually 15% to 30% of ful l load. usually, the input voltage range, the output voltage and load current are de fined by the power stage specific ation. this leaves the indu ctor value as the only design parameter to maintain continuous conduction mode. the minimum value of i nductor to maintain continuous conduction m ode can be determined by the following example. the required inductor value is determined from the desired peak-t o-peak led ripple current in the inductor; typically around 30 % of the nominal led current. l = ( ) () osc led leds in f i 3 . 0 d v v ? where d is duty cycle the next step is determining the total voltage drop across the led st ring. for example, when the st ring consists of 10 high-bri ghtness leds and each diode has a forward voltage drop of 3.0v at its nominal current; the total led voltage v leds is 30v. al9910/a gate cs ld pwm_d gnd r osc v dd v in q1 r osc v in al9910/a gate cs ld pwm_d gnd r osc v dd v in q1 r osc v in
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 9 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 applications information (cont.) dimming the led brightness can be dimmed either linearly (using the ld pin) or via pulse width modulation (using the pwm-d pin); or a c ombination of both - depending on the application. pulling the pwm_d pin to gr ound will turn off the al9910. when disabled, the al9910?s quie scent current is typically 0.5ma (0.65 for al9910a). reducing the ld voltage will reduce the led current but it will not entirely turn off the e xternal power transistor and hence the led current ? this is due to the finite blanking period. only the pwm_d pin will turn off the power tr ansistor. linear dimming is accomplished by applying a 45mv to 250mv analog si gnal to the ld pin. this overrides the default 250mv thresh old level of the cs pin and reduces the output current. if an input voltage greater than 250mv is applied to the ld then the output current will not change. the ld pin also provides a simple cost effective solution to soft start; by connecti ng a capacitor to the ld pin down to ground at initial power up the ld pin will be held low causing the sens e threshold to be low. as the capacitor charges up the current sense threshold will increase thereby causing the average led current to increase. pwm dimming is achieved by applying an exter nal pwm signal to the pwm_d pin. the led current is proportional to the pwm duty cy cle and the light output can be adjusted between zero and 100%. the pwm signal enables and disables the al9910 - modulating the led current . the ultimate accuracy of the pwm dimming method is limited only by the minimum gate pulse width, which is a fraction of a percentag e of the low frequency duty cycle. pwm dimming of the le d light can be achieved by turning on and o ff the converter with low frequency 50hz to 1000hz ttl logic level signal. with both modes of dimming it is not possi ble to achieve average brightness levels hi gher than the one set by the current sense threshold level of the al9910. i f a greater led current is required then a smaller sense resistor should be used output open circuit protection the non-isolated buck led driver topology provides inherent protection against an open circuit condition in the led string due to the leds being connected in series with the inductor. should the led string become open circuit then no switching occurs and the circuit can b e permanently left in this state with damage to the rest of the circuit. ac/dc off-line led driver the al9910 is a cost-effective off-line buck led driver-controlle r specifically designed for driv ing led strings. it is suitabl e for being used with either rectified ac line or any dc voltage between 15v to 500v. see figure 3 for typical circuit. figure 3. typical application circuit (without pfc) buck design equations: = d in leds v v osc on f d t = l led on leds in i 3 . 0 t ) v v ( ? = sense r )) 3 . 0 i ( 5 . 0 ( i 25 . 0 led led + where i led x 0.3 = i ripple r sense al9910/a gate cs ld pwm_d gnd r osc v dd v in led + led - v ac in q1 l1 d1 c1 r osc c2 c3 br1 r sense al9910/a gate cs ld pwm_d gnd r osc v dd v in led + led - v ac in q1 l1 d1 c1 r osc c2 c3 br1
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 10 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 applications information (cont.) design example for an ac line voltage of 120v the nominal rectified input voltage v in = 120v*1.41 = 169v. from this and the led chain voltage the duty cycle can be determined: d = v leds /v in = 30/169 = 0.177 from the switching frequency, for example f osc = 50khz, the required on-time of t he external mosfet can be calculated: t on = d/f osc = 3.5 s the value of the inductor for an led current of 350ma is determined as follows: l = (v in - v leds ) * t on /(0.3 * i led ) = 4.6mh input bulk capacitor for offline lamps an input bulk capacitor is required to ensure that the rectified ac voltage is held above twice the led strin g voltage throughout the ac line cycle. the value can be calculated from: in c max _ dc l min _ line ch in v f 2 v 2 ) d 1 ( p ? where ch d : capacity charge work period, generally about 0.2 to 0.25 l f : input frequency for full range (85 to 265v rms ) max _ dc v should be set 10 to15% of min _ line v 2 if the capacitor has a 15% voltage ripple then a simplified formul a for the minimum value of the bulk input capacitor approxima tes to: c min = 2 in leds led v 0.06 v i power factor correction if power factor improvement is required then for the input powe r less than 25w, a simple passive power factor correction circui t can be added to the al9910 typical application circuit. figure 4 shows that passive pfc circuitry (3 current steering diodes and 2 identical ca pacitors) does not significantly affect the rest of the circuit. simple passive pf c improves the line current harm onic distortion and achieves a p ower factor greater than 0.85. figure 4. typical application circuit with passive pfc each of these identical capacitors should be rated for half of the input voltage and hav e twice as much capacitance as the calc ulated c min of the buck converter circuit without passive pfc (see above section on bulk capacitor calculation). for further design information please see an75 from the diodes website. r sense al9910/a gate cs ld pwm_d gnd r osc v dd v in led + led - v ac in q1 l1 d1 r osc c3 c4 br1 passive pfc c1 c2 r sense al9910/a gate cs ld pwm_d gnd r osc v dd v in led + led - v ac in q1 l1 d1 r osc c3 c4 br1 passive pfc c1 c2
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 11 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 applications information (cont.) dc-dc buck led driver the design procedure for an ac input buck led driver outlined in the previous chapters equally applies dc input led drivers. when driving long led chains ca re should be taken not to induce sbo ? maxi mum led chain voltage should be less half of v in . so either maximum duty cycle should be kept below 50% or us e of constant off-time removes this issue. dc-dc boost led driver due to the topology of the al9910 led driver-controller it is c apable of being used in boost conf igurations ? at reduced accura cy. the accuracy can be improved by measuring the led current with an op amp and use the op amp?s output to drive the ld pin. a boost led driver is used when the forward voltage drop of th e led string is higher than the input supply voltage. for example , the boost topology can be appropriate when input voltage is supplied by a 48v power supply and the led string c onsists of twenty hb leds, as the case may be for a street light. figure 5. boost led driver in a boost converter, when the external mosfet is on the en ergy is stored in the inductor which is then delivered to the output when the external mosfet switches off. if the energy stored in the inductor is not fully depleted by the next switching cycle (continuous conduct ion mode) the dc conversion between input and output voltage is given by: d 1 v v in out ? = ? out in out v v v d ? = from the switching frequency, f osc , the on-time of the mosfet can be calculated: osc on f d t = from this the required inductor value can be determined by: led on in i 3 . 0 t v l ? ? = the boost topology led driver requires an output capacitor to deliv er current to the led string during the time that the extern al mosfet is on. in boost led driver topologies if the leds should become open circuit damage may occur to the power switch and so some form of detection should be present to provide over -voltage detection/protection. r sense al9910/a gate cs ld pwm_d gnd r osc v dd v in q1 l1 d1 c1 r osc c2 c3 v in
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 12 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 ordering information part number v cs tolerance package code packaging 13? tape and reel quantity part number suffix al9910-5s-13 5% s so-8 2500/tape & reel -13 al9910-5sp-13 5% sp so-8ep 2500/tape & reel -13 al9910a-5s-13 5% s so-8 2500/tape & reel -13 AL9910A-5SP-13 5% sp so-8ep 2500/tape & reel -13 al9910as-13 10% s so-8 2500/tape & reel -13 al9910asp-13 10% sp so-8ep 2500/tape & reel -13 al9910s-13 10% s so-8 2500/tape & reel -13 al9910sp-13 10% sp so-8ep 2500/tape & reel -13 marking information (1) so-8 (2) so-8ep a l9910 x x x x x -13 variant v tolerance cs package packing blank : 7.5v v dd a : 10v v dd blank : 10% -5 : 5% s : so-8 sp : so-8ep 13 : 13? tape & reel
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 13 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 package outline dimensions (all dimensions in mm.) please see ap02002 at http://www.diodes.com /datasheets/ap02002.pdf for latest version. (1) so-8 (2) so-8ep so-8 dim min max a - 1.75 a1 0.10 0.20 a2 1.30 1.50 a3 0.15 0.25 b 0.3 0.5 d 4.85 4.95 e 5.90 6.10 e1 3.85 3.95 e 1.27 typ h - 0.35 l 0.62 0.82 0 8 all dimensions in mm so-8ep (sop-8l-ep) dim min max typ a 1.40 1.50 1.45 a1 0.00 0.13 - b 0.30 0.50 0.40 c 0.15 0.25 0.20 d 4.85 4.95 4.90 e 3.80 3.90 3.85 e0 3.85 3.95 3.90 e1 5.90 6.10 6.00 e - - 1.27 f 2.75 3.35 3.05 h 2.11 2.71 2.41 l 0.62 0.82 0.72 n - - 0.35 q 0.60 0.70 0.65 all dimensions in mm gauge plane seating plane detail ?a? detail ?a? e e1 h l d e b a2 a1 a 45 7 ~ 9 a3 0.254 gauge plane seating plane e1 e n e b a 45 e0 h f exposed pad bottom view l q c 7 4 3 9 (all sides) a1 d 14 85
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 14 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 suggested pad layout please see ap02001 at http://www.diodes.com/dat asheets/ap02001.pdf for the latest version. (1) so-8 (2) so-8ep dimensions value (in mm) x 0.60 y 1.55 c1 5.4 c2 1.27 dimensions value (in mm) c 1.270 x 0.802 x1 3.502 x2 4.612 y 1.505 y1 2.613 y2 6.500 x c1 c2 y c y1 x1 x y y2 x2
al9910/ al9910a/ al9910-5/ al9910-5a document number: ds35103 rev. 9 - 2 15 of 15 www.diodes.com may 2014 ? diodes incorporated a l9910/ al9910a/ al9910-5/ a l9910a-5 important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product descri bed herein. diodes incorporated does not assume any liability ari sing out of the application or use of this document or an y product described herein; neither does di odes incorporated convey any license under its patent or trademark rights, nor the rights of others. any customer or us er of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose products are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability w hatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes inco rporated products for any unintended or una uthorized application, customers shall i ndemnify and hold diodes incorporated and its representativ es harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. this document is written in english but may be translated into multiple languages for reference. only the english version of t his document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical component s in life support devices or systems without the express written approval of the chief executive offi cer of diodes incorporated. as used herein: a. life support devices or syst ems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when prope rly used in accordance with instructions for use provided in the labeling can be reasonably expected to re sult in significant injury to the user. b. a critical component is any component in a life support devic e or system whose failure to perform can be reasonably expect ed to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifi cations of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-rel ated requirements concerning the ir products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporate d and its representatives against any damages arisi ng out of the use of diodes incorporated pr oducts in such safety-critical, life suppor t devices or systems. copyright ? 2014, diodes incorporated www.diodes.com

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