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ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 1 / 12 version: d 07 to - 22 0 to - 263 (d 2 pak) to - 220 - 5l to - 263 - 5l (d 2 pak) general description ts3915 0/1/2/3 are 1.5a ultra low dropout linear voltage regulators that provide low voltage, high current output from an extremely small package. these regulator offers extremely low dropout (typically 400mv at 1.5a) and very low ground current (typically 12ma at 1.5a). ts3915 0/1/2/3 are fully protected against over current faults, reversed input pola rity, reversed lead insertion, over temperature operation, positive and negative transient voltage spikes, logic level enable control and error flag which signals whenever the output falls out of regulation. on the ts3915 0/1/2/3 , the enable pin may be tied to v in if it is not required for enable control. features dropout voltage typically 0.4v @ io=1.5a output current up to 1.5a low ground current extremely fast transient response reversed leakage & reverse battery protection error flag signals output (t s39151 only) internal current limit thermal shutdown protection application powerpc tm power supplies battery powered equipment consumer and personal electronics high efficiency linear power supplies smps post regulator and dc to dc modules high - effic iency post regulator for switching supply low - voltage microcontrollers and digital logic ordering information part no. package packing ts39150cz xx c0 to - 220 50pcs / tube ts39150cm xx rn to - 263 800pcs / 13 reel ts39151cz5 xx c0 to - 220 - 5l 50pcs / tube ts39151cm5 xx rn to - 263 - 5l 8 00pcs / 13 reel ts39152cz5 c0 to - 220 - 5l 50pcs / tube ts39152cm5 rn to - 263 - 5l 800pcs / 13 reel ts39153cz5 xx c0 to - 220 - 5l 50pcs / tube ts39153cm5 xx rn to - 263 - 5l 800pcs / 13 reel note: where xx denotes voltage option, available are 18 =1.8v 25 =2.5v 33 = 3.3v 50 =5 .0 v contact to factory for addition output voltage option. pin description pin configuration pin description enable ttl/coms compatible input. logic high is enable; logic low or open is shutdown input unregulated input: + 16v maximum supply ground ground: ground pin and tab / heat sink are internally connected. output regulator output flag (fixed voltage) error flag (output): open - collector output. active low indicates an output fault condition, if no used, leave open. feed back (adjustable) adjustment input: feedback input. connect to resistive voltage - divider network. pin definition : ts39151 xx ts39152 ts39153 1. enable 1. enable 1. enable 2. input 2. input 2. input 3. ground 3. gro und 3. ground 4. output 4. output 4. output 5. flag 5. adjust 5. sense pin definition : ts39150 1. input 2. ground (tab) 3. output
ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 2 / 12 version: d 07 absolute maximum rating (note 1) supply voltage v in - 20v ~ +20 v enable voltage v en +20 v storage temperature range t stg - 65 ~ +150 o c lead solderi ng temperature (260 o c) 5 s esd (note 3) operating rating (note 2) operation input voltage v in (operate) +2.25 ~ +16 v operation enable voltage v en (operate) +2.25 ~ +16 v power dissipation (note 4) p d internally limited w operating junction tem perature range t j - 40 ~ +125 o c electrical characteristics v in = v out + 1v , v in =2.5v for fixed reference output voltage, venable= 2.25v, t a = 25 o c, unless otherwise specified. parameter conditions min typ max u nit fixed output voltage 10 ma i l 1.5 a , vo+1v v in 8 v 0.9 8 0|vo| v out 1.0 2 0|vo| v fixed reference output voltage i l =10ma 0.9 8 0|vo| 1.0 2 0|vo| fixed reference output voltage 10 ma i l 1.5 a, 2.5v v in 8 v 0.9 7 0|vo| 1.24 (v ref ) 1.0 3 0|vo| v line regulation i l =10ma , vo+1v v in 16 v -- 0. 05 0. 5 % load regulation v in = vout+1v, 10 ma i l 1.5a -- 0. 2 1.0 % output voltage temp . coefficient -- 40 100 ppm/ o c dropout voltage (note 5 ) v out = - 1% i l =100ma i l =750ma i l = 1.5 a -- -- -- 100 275 400 25 0 350 630 mv quiescent current (note 6 ) v in = v out +1v i l =100ma i l = 750 ma i l = 1.5 a -- -- -- 5 7 25 18 20 -- ma current limited v out =0 , v in = v out +1v -- 2.0 2.5 a reference (ts39152) referenc e voltage 0.9 8 0|vo| 1.0 2 0|vo| reference voltage (note 7) 0.9 7 0|vo| 1.24 1.0 3 0|vo| v adjust pin bias current -- 40 120 na reference voltage temp . coefficient (note 8) -- 20 -- ppm/ o c adjust pin bias current temp . coefficient -- 0. 1 -- na / o c ena ble input (ts391 51/2/3) low (off) -- -- 0.8 input logic voltage high (on) 2.25 -- -- v v en = 2.25 v -- -- 75 enable pin input current v en =0.8v -- -- 4 ua
ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 3 / 12 version: d 07 electrical characteristics (continue) flag output (ts39151/3) output leakage current v oh = 16v -- -- 2 ua output low voltage (note 9) v in =0.9 * v out , i ol = 250u a -- -- 400 mv upper threshold voltage % of v out -- -- 99 % lower threshold voltage % of v out 93 -- -- % hysteresis -- 1 -- % thermal performance condition package type typ u nit to - 220 / to - 220 - 5l 80 therma l resistance junction to case to - 263 / to - 263 - 5l 80 o c/w note 1 : absolute maximum rating is limits beyond which damage to the device may occur. for guaranteed s pecifications and test conditions see the electrical characteristics. note 2: the device is not guaranteed to operate outside its operating rating. note 3: devices are esd sensitive. handling precautions recommended. note 4 : the maximum allowable power dissipation is a function of the maximum junction temperature, t j , the j unction to ambient thermal resistance, ? ja , and the ambient temperature, ta. exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. the effective value of ? ja can be reduced by using a heat sink, pd (max) = (t j( max ) ta) / ? ja . note 5 : dropout voltage is defined as the input to output differential at which the output voltage drops - 1 % below its nominal value measured at 1v differential. note 6 : ground pin current is the regulator quiescent current. the total curren t drawn from the source is the s um of the ground pin current and output load current , i gnd = i in - i out for fix output voltage, , i gnd = i in - i out +10ma for fix reference output voltage in full load regulation. note 7: v ref v out (v in 1v), 2.25v v i n 16v, 10 ma i l 1.0 a . note 8 : output voltage temperature coefficient is v out (worse cast) / ( t j( max) t j( min) ) where is t j( max) +125 o c and t j( min) is 0 o c. note 9: for adjustable device and fixed device with v out > 2.25v.
ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 4 / 12 version: d 07 functional diagram ts39150 fixed regulator block diagram ts39151/3 fixed regulator wit h flag, sense and enable block diagram ts39152 adjustable regulator block diagram
ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 5 / 12 version: d 07 application information the ts3915x series are high performance with low dropout voltage regulator suitable for moderate to high current and voltage regulator application. its 630mv dropout voltage at full load and over temperature makes it especially valuable in battery power systems and as high efficiency noise filters in post regulator applications. unlike normal npn transistor design, where the base to emitter voltage dr op and collector to emitter saturation voltage limit the minimum dropout voltage, dropout performance of the pnp output of these devices is limited only by low v ce saturation voltage. the ts3915x series is fully protected from damage due to fault condition s. linear current limiting is provided. output current during overload conditions is constant. thermal shutdown the device when the die temperature exceeds the maximum safe operating temperature. transient protection allows device survival even when the in put voltage spikes above and below nominal. the output structure of these regulators allows voltages in excess of the desired output voltage to be applied without reverse current flow. output capacitor requirement the ts3915x series requires an output capa citor to maintain stability and improve transient response is necessary. the value of this capacitor is dependent upon the output current, lower currents allow smaller capacitors. ts3915x series output capacitor selection is dependent upon the esr of the o utput capacitor to maintain stability. when the output capacitor is 10uf or greater, the output capacitor should have an esr less than 2 . this will improve transient response as well as promote stability. ultra low esr capacitors (<100m ), such as ceramic chip capacitors, may promote instability. these very low esr levels may cause an oscillation and/or under damped transient response. a low esr solid tantalum capacitor works extremely well and provides good transient response and stability over temperatur e aluminum electrolytes can also be used, as long as the esr of the capacitor is <2 . the value of the output capacitor can be increased without limit. higher capacitance values help to improve transient response and ripple rejection and reduce output noise. input capacitor requirement an input capacitor of 1uf or greater is recommended when the device is more than 4 away from the bulk ac supply capacitance or when the supply is a battery. small, surface mount, ceramic chip capacitors can be used for bypassing. larger values will help to improve ripple rejection by bypassing the input t o the regulator, further improving the integrity of the output voltage. minimum load current the ts391 5 x series is specified between finite loads. if the output current is too small leakage currents dominate and the output voltage rises. a 10ma minimum loa d current is necessary for proper regulation. adjustable regulator design the adjustable regulator versions (ts39152) is allow to programming the output voltage anywhere between 1.25 and the 16v maximum operating rating of the family. two resistors are use d. resistors can be quite large up to 1m , because of the very high input impedance and low bias current of the sense comparator, the resistor values are calculated by: where v out is the desired output voltage. above application circuit shows component definition. applications with widely var ying load currents may scale the resistors to draw the minimum load current required for proper operation.
ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 6 / 12 version: d 07 application information (continue) enable input ts39151/2/3 versions feature an active - high enable (en) input that allows on/off control of the regu lator. current drain reduces to zero when the device is shutdown, with only micro - amperes of leakage current. the en input has ttl/cmos compatible thresholds for simple interfacing with logic interfacing. en may be directly tied to v in and pulled up to t he maximum supply voltage. error flag ts39151 versions feature an error flag, which looks at the output voltage and signals an error condition when this voltage drops 5% below its expected value. the error flag is an open - collector output that pulls low un der fault conditions. it may sink 10ma. low output voltage signifies a number of possible problems, including an over - current fault (the device is in current limit) or low input voltage. the flag output is inoperative during over temperature shutdown condi tions. a pull - up resistor from error flag to either v in or v out is required for proper operation. for information regarding the minimum and maximum values of pull - up resistance, refer the graph as follow: transient response and 3.3v to 2.5v or 2.5v to 1.8v conversion ts3915x has excellent transient response to variations in input voltage and load current . the device have been designed to respond quickly to load current variations and input voltage variations. large output capacitors are not required to obta in this performance. a standard 10uf output capacitor, preferably tantalum, is all that is required. larger values help to improve performance even further. by virtue of its low dropout voltage, this device does not saturate into dropout as readily as simi lar npn base designs. when converting from 3.3v to 2.5v or 2.5v to 1.8v, the npn based regulators are already operating in dropout, with typical dropout requirements of 1.2v or greater,. to convert down to 2.5v or 1.8v without operating in dropout, npn bas ed regulators require an input voltage of 3.7v at the very least. the ts3915x regulator will provide excellent performance with an input as low as 3.0v or 2.5v respectively. this gives the pnp based regulators a distinct advantage over older, npn based lin ear regulators. output sense the fixed voltage regulator versions (ts39153) is connected to the output pin of the regulator. in critical applications, small voltage drops are caused by the resistance (rp) of pc traces between the regulator and the load. th ese may be eliminated by connecting the sense pin to the output at the load as follow: (kelvin sense connection). typical application circuit 2.5v/1.5a regulator 2.5v/1.5a regulator with error flag
ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 7 / 12 version: d 07 application information (continue) thermal characteristics ts3915x series linear regulators are s imple to use, the most complicated design parameters to consider are thermal characteristics, thermal design requires the following application specification parameters: ? maximum ambient temperature , t a ? output current, i out ? output voltage, v out ? input volta ge, v in calculate the power dissipation of the regulator from these numbers and the device parameters from this datasheet, where the ground current is taken from data sheet. p d = (v in v out ) x i out + v in x i gnd the heat sink thermal resistance is determin ed by: ? sa = (t j(max) t a ) / p d ( ? jc + ? cs ) where t j(max) 125 o c and ? cs is between 0 o c and 2 o c /w. the heat sink may by significantly reduced in applications where the minimum input voltage is know and is large compared with the dropout voltage and distribute the heat between this resistor and the regulator. the low dropout properties of vertical pnp regulators allow significant reductions in regulator power dissipation and the associated heat sink without compromising performance. when this technique is emplo yed, a capacitor of at least 1 u f is needed directly between the input and regulator ground.
ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 8 / 12 version: d 07 to - 220 mechanical drawing marking diagram xx = output voltage ( 18 =1.8v, 25 =2.5v, 33 =3.3v, 50 =5v) y = year code m = month code ( a =jan, b =feb, c =mar, d =apl, e =may, f =jun, g =jul, h =aug, i =sep, j =oct, k =nov, l =dec) l = lot code to - 220 dimension millimeters inches dim min max min max a 10.000 10.500 0.394 0.413 b 3.740 3.910 0.147 0.154 c 2.440 2.940 0.096 0.116 d - 6.350 - 0.250 e 0.381 1.106 0.015 0.044 f 2.345 2.715 0.092 0.107 g 4.690 5.430 0.185 0.214 h 12.700 14.732 0.500 0.580 i 8.382 9.017 0.330 0.355 j 14.224 16.510 0.560 0.650 k 3.556 4.826 0.140 0.190 l 0.508 1.397 0.020 0.055 m 27.700 29.620 1.091 1.166 n 2.032 2. 921 0.080 0.115 o 0.255 0.610 0.010 0.024 p 5.842 6.858 0.230 0.270
ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 9 / 12 version: d 07 to - 263 mechanical drawing marking diagram xx = output voltage ( 18 =1.8v, 25 =2.5v, 33 =3.3v, 50 =5v) y = year code m = month cod e ( a =jan, b =feb, c =mar, d =apl, e =may, f =jun, g =jul, h =aug, i =sep, j =oct, k =nov, l =dec) l = lot code to - 2 63 dim ens ion millimeters inches dim min max min max a 10.000 10.500 0.394 0.413 b 14.605 15.875 0.575 0.625 c 0.508 0.991 0.020 0.039 d 2.420 2.660 0.095 0.105 e 4.064 4.830 0.160 0.190 f 1.118 1.400 0.045 0.055 g 0.450 0.730 0.018 0.029 h 8.280 8.800 0. 325 0.346 i 1.140 1.400 0.044 0.055 j 1.480 1.520 0.058 0.060
ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 10 / 12 version: d 07 to - 220 - 5l mechanical drawing marking diagram ts39151 / ts39152 / ts39153 y = year code m = month code ( a =jan, b =feb, c = mar, d =apl, e =may, f =jun, g =jul, h =aug, i =sep, j =oct, k =nov, l =dec) l = lot code xx = output voltage ts39151 & ts39153 only ( 18 =1.8v, 25 =2.5v, 33 =3.3v, 50 =5v) xxx = cz5 ts39152 only to - 220 - 5l dimension millimeters inches dim min max min max a 10.00 10.50 0.394 0.413 b 3.240 4.440 0.128 0.175 c 2.440 2.940 0.096 0.116 d 0.260 1.020 0.010 0.040 e 1.570 1.830 0.062 0.072 f 13.31 14.13 0.524 0.556 g 4.475 5.225 0.176 0.206 h 1.170 1.370 0.046 0.054 i 27.60 29.44 1.087 1.159 j 2.175 2.925 0.086 0.115 k 0.297 0.477 0.012 0.019 l 8.280 8.800 0.326 0.346 m 6.010 6.510 0.237 0.256 n 14.29 15.31 0.563 0.603
ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 11 / 12 version: d 07 to - 263 - 5l mechanical drawing marking diagram ts39151 / ts39152 / ts39153 y = year code m = month code ( a =jan, b =feb, c =mar, d =apl, e =may, f =jun, g =jul, h =aug, i =sep, j =oct, k =nov, l =dec) l = lot code xx = output voltage ts39151 & ts39153 only ( 18 =1.8v, 25 =2.5v, 33 =3.3v, 50 =5v) xx x = cm5 ts39152 only to - 2 63 - 5l dim ension millimeters inches dim min max min max a 10.220 10.260 0.402 0.404 b 14.600 15.870 0.575 0.625 c 0.750 0.770 0.030 0 .030 d 1.573 1.827 0.062 0.072 e 4.560 4.570 0.179 0.180 f 1.240 1.270 0.049 0.050 g 2.280 2.790 0.090 0.110 h 0.280 0.320 0.011 0.013 i 8.240 8.280 0.324 0.326 j 1.540 1.800 0.060 0.071
ts39150/1/2/3 1.5a ultra low dropout voltage regulator with multi - function 12 / 12 version: d 07 notice specifications of the products displayed herein are subject to change without notice. tsc or anyone on its behalf, assumes no responsibility or liability for any errors or inaccurac ies. information contained herein is intended to provide a product description only. no license, express or implied, to any intellectual property rights is granted by this document. except as provided in tscs terms and conditions of sale for such product s, tsc assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of tsc products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any paten t, copyright, or other intellectual property right. the products shown herein are not designed for use in medical, life - saving, or life - sustaining applications. customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify tsc for any damages resulting from such improper use or sale.

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