series amldlw-z up to 1000ma | led driver www.aimtec.com tel: +1 514 620 2722 toll free: + 1 888 9 aimtec (924 6832) f 051e r9 1 of 11 north america only features: models single output model input voltage (v) output voltage (v) output current (ma) efficiency (%) amldlw-3035z 7-30 2-28 350 95 amldlw-3050z 7-30 2-28 500 95 amldlw-3070z 7-30 2-28 700 95 AMLDLW-30100Z 7-30 2-28 1000 95 note: all specifications in this datasheet are measured at an ambient temperature of 25c, humidity<75%, nominal input voltage and at rated output load unless otherwise specified. input specifications parameters nominal typical maximum units voltage range 24 7-30 vdc filter capacitor absolute maximum rating 40 vdc peak input voltage time 500 ms dc/dc on (leave open if not used) on ?open or 0.3v1.5v to 3v 300 ma short circuit protection regulated at the rated current for each model output no load protection continuously max load capacitance 47 f temperature coefficient ta = -40 to +85c 0.05 %/ o c ripple & noise 20mhz bandwidth 250 mv p-p general specifications parameters conditions typical maximum units switching frequency 100% load 40 - 380 khz operating temperature -40 to +85 o c storage temperature -40 to +125 o c maximum case temperature 100 o c thermal impedance free air convection +40 o c/w cooling free air convection ? wire connections ? operating temperature range -40oc to +85oc ? constant current output ? open and short led protection ? wide (4:1) input voltage range ? pwm/digital and analog voltage dimming ? high efficiency up to 95% ? remote on/off control ? step down dc/dc led driver ? rohs compliant
series amldlw-z up to 1000ma | led driver www.aimtec.com tel: +1 514 620 2722 toll free: + 1 888 9 aimtec (924 6832) f 051e r9 2 of 11 north america only general specifications (continued) parameters conditions typical maximum units humidity 95 % rh case material non-conductive black plastic (ul94-v0 rated) weight 6.2 g dimensions (l x w x h) 0.92 x 0.55 x 0.40 inches 23.40 x 14.00 x 10.16 mm mtbf > 500 000hrs (mil-hdbk-217 f at +25 o c) maximum soldering temperature 1.5mm from case for 10sec. 260 o c notes: 1.reversed polarity at the input power will damage the driver. the input ground must not be connected to the negative output. 2.leave the pin vadj opened if not used , grounding vadj will shut the driver off, connecting vadj to +vin will damage the driv er. 3. maximum output open voltage is equal to input voltage pin out specifications dimensions pin single description 1(black) - v input - dc supply 2(white) vadj pwm/on/off or not used 8(blue) -v output led cathode connection 9(yellow) + v output led anode connection 16 (red) + v output + dc supply 19.60 (0.77) 14.00 (0.55) 11.00 (0.43) 23.40 (0.92) 2 8 16 1 9 bottom view 10.16 (0.40) 14.00 (0.55) 100.00 (3.94) 10.00 (0.39) 12 16 10.16 (0.40) 14.00 (0.55) 100.00 (3.94) 10.00 (0.39) 89 all wires are stripped & tinned lead wires are under the specifications of general lamps: wire is ul 1015/csatem listed #22awg / 600v / 105oc
series amldlw-z up to 1000ma | led driver www.aimtec.com tel: +1 514 620 2722 toll free: + 1 888 9 aimtec (924 6832) f 051e r9 3 of 11 north america only application circuit examples: output current adjustment by external dc control voltage: model number x amldl-3035z 0.280 amldl-3050z 0.197 amldl-3070z 0.1388 amldl-30100z 0.095 amldlw-z -vin vadj 1 st led last led +vout 1 1 -vout 0.3 -1.25v gnd amldlw-z -vin vadj 1 st led +vout 1 1 -vout +vin 1 tl431 10k 10k 10k amldlw-z -vin + 1 st led last led +vout 1 1 analogue dim pwm dim/on/off -vout amldlw-z -vin + 1 st led last led +vout 1 1 -vout analogue dim pwm dim/on/off 1 1 amldlw-z +vin -vin + vadj 1 st led +vout 1 1 analogue dim pwm dim/on/off -vout ac in ac in 5vac to 21vac last led - 0.1uf optional 100uf to 330uf the nominal output current is given by: 0.08 x vadj x iout ? amldlw-z -vin vadj 1 st led +vout 1 1 -vout +5v 10k 30k r2 r1 vctrl [ [ vadj = r2 r1 + r2 x vctrl
series amldlw-z up to 1000ma | led driver www.aimtec.com tel: +1 514 620 2722 toll free: + 1 888 9 aimtec (924 6832) f 051e r9 4 of 11 north america only resistive dimming control a simplified dimming control can be achieved using a variable resistor connected between vadj and gnd. capacitor cadj is optional, it is installed to limit ac mains interferen ce and high frequency noise. the recommended value of cadj is 0.22f. note: typical error is 10% with resistive dimming control output current adjustme nt by pwm control: driving vadj directly a pulse width modulated (pwm) signal with a duty cycle of dp wm can be applied directly to vadj pin as shown below. model number x amldlw-3035z 0.280 amldlw-3050z 0.197 amldlw-3070z 0.1388 AMLDLW-30100Z 0.095 driving vadj via open collector transistor the vadj can also be driven via an open collector transistor as shown below. the diode and resistor serve to suppress any possible high amplitude negative voltage spikes to the vadj input resulting from the collector to emitter capacitance of the transistor. any negative voltage spikes will cause errors in output current and/or unstable driver operation. amldlw-z -vin vadj 1 st led +vout 1 1 -vout pwm 0v 1.25v gnd last led amldlw-z -vin vadj 1 st led +vout 1 1 -vout radj cadj the output current is given by: 0.1 x dpwm x iout ? [for 0 series amldlw-z up to 1000ma | led driver www.aimtec.com tel: +1 514 620 2722 toll free: + 1 888 9 aimtec (924 6832) f 051e r9 5 of 11 north america only driving the vadj from a microcontroller the vadj can be driven from an open drain output of a microc ontroller as shown below. the diode and resistor serve to suppress any possible high amplitude negative voltage spikes to the vadj input resulting from the drain to source capacitance of the fet. any negative volt age spikes will cause errors in output current and/or unstable driver operation. output current adjustment by pwm control (dimming): a pwm signal must have a frequency of greater than 100hz to prevent any visible flicker. output current adjustment by pwm control (flash): discharge vcc reset out crt_v gnd ne 555 trigger threshold 7 84 3 5 1 2 6 + + + - - - 10uf 35v 10uf 16v amsr-7805-z +vin -vin 1 1 1n4148 + - vr 100k 470 + - + - 1 3.3k 1n4148 2sd11782k 210 100nf 100nf 100nf 100nf pmw amldlw-z pin 2 (vadj) amldlw-z pin 1 amldlw-z -vin vadj 1 st led +vout 1 1 -vout mcu gnd 1 10k last led
series amldlw-z up to 1000ma | led driver www.aimtec.com tel: +1 514 620 2722 toll free: + 1 888 9 aimtec (924 6832) f 051e r9 6 of 11 north america only recommended class b emi filter: thermal feedback circuit the selection of components for the thermal feedback circuit is depends on the choice of r2 and r3 and the effectiveness of the led heatsink. to optimize the led brightness control at high temperatures, the leds must have a sufficient thermal extraction path, if not the reduction in drive current will not be optimal. the thermal control threshold points are set by adjusting r2. three values (33k, 22k, and 10k) were tested. these values were chosen to provide thermal break poin ts of approximately 25oc, 40oc, and 60oc. note, that the led drive current will not continually dim to zero ? the thermal controls applying dc control to that vadj pin has a dimming ratio from maximum current of approximately 5:1. once the reduced dc level drops below the shutdown threshol d of around 200mv, the led drive current will fall to zero and the leds will be off. the slope of the current reduction is determined by the beta va lue of the thermistor. the larger the beta value the sharper will be the resultant current control response. the slope of the cu rrent reduction is also affected by q1?s base emitter voltag e variation with temperature. model number inductor value (h) amldlw-3035z 68 amldlw-3050z 27 amldlw-3070z 27 AMLDLW-30100Z 27 amldlw-z +vin -vin vadj 1 st led last led +vout 1 1 analogue dim pwm dim/on/off -vout 10uf + - l - + amldlw-z -vin vadj 1 st led +vout 1 1 -vout gnd 1 10k last led q1 1 r1 4.7k r2 10k r3 10k thermistor b 3900 bzx284c6v2 +vin +vin thermally connected
series amldlw-z up to 1000ma | led driver www.aimtec.com tel: +1 514 620 2722 toll free: + 1 888 9 aimtec (924 6832) f 051e r9 7 of 11 north america only output current adjustment by external dc control voltage: amldlw-z -vin vadj 1.25v 1 st led +vout 1 1 -vout gnd 1 6.2k last led 1n4148 10k amldlw-z -vin vadj 1.25v 1 st led +vout 1 1 -vout gnd 1 6.2k last led 1n4148 10k amldlw-z -vin vadj 1.25v 1 st led +vout 1 1 -vout gnd 1 6.2k last led 1n4148 10k amldlw-z -vin vadj 1.25v 1 st led +vout 1 1 -vout gnd 1 6.2k last led 1n4148 10k amldlw-z -vin vadj 1.25v 1 st led +vout 1 1 -vout gnd 1 6.2k last led 1n4148 10k amldlw-z -vin vadj 1.25v 1 st led +vout 1 1 -vout gnd 1 6.2k last led 1n4148 10k out: 0 ~ 2.5v +5v ~ +vin 1 tl431 10k 4.7k gnd
series amldlw-z up to 1000ma | led driver www.aimtec.com tel: +1 514 620 2722 toll free: + 1 888 9 aimtec (924 6832) f 051e r9 8 of 11 north america only typical characteristics: amldlw-3035z 1 led 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 7 8 9 101112131415161718192021222324252627282930 vin (v) frequency (khz) operating frequency vs input voltage (forward voltage = 3.5v per led) 1 led 2 led 3 led 4 led 5 led 6 led 7 led output current vs v adj 0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 0 0.25 0.35 0.45 0.55 0.65 0.75 0.85 0.95 1.05 1.15 1.25 1.3 1.35 vadj (v) iled (ma) vin (v) 1 led 2 led 3 led 4 led 5 led 6 led 7 led efficiency vs vin (forward voltage = 3.5v per led) 70.00 75.00 80.00 85.00 90.00 95.00 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 efficiency (%)
series amldlw-z up to 1000ma | led driver www.aimtec.com tel: +1 514 620 2722 toll free: + 1 888 9 aimtec (924 6832) f 051e r9 9 of 11 north america only typical characteristics: amldlw-3050z 1 led 70.00% 75.00% 80.00% 85.00% 90.00% 95.00% 100.00% 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 vin (v) efficiency (%) efficiency vs vin (forward voltage = 3.5v per led) 2 led 1led 3 led 4 led 5 led 6 led 7 led 25 50 75 100 125 150 175 200 225 250 275 300 325 350 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 vin (v) frequency (khz) operating frequency vs input voltage (forward voltage = 3.5v per led) 1 led 2 led 3 led 4 led 5 led 6 led 7 led output current vs v adj 0 100 200 300 400 500 600 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 v adj (v) iled (ma)
series amldlw-z up to 1000ma | led driver www.aimtec.com tel: +1 514 620 2722 toll free: + 1 888 9 aimtec (924 6832) f 051e r9 10 of 11 north america only typical characteristics: amldlw-3070z 25 50 75 100 125 150 175 200 225 250 275 300 325 350 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 vin (v) frequency (khz) operating frequency vs input (forward voltage = 3.5v per led)) 1 led 2 led 3 led 4 led 5 led 6 led 7 led output current vs v adj 0 100 200 300 400 500 600 700 0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 0.95 1.05 1.15 1.25 vadj (v) iled (ma) 70% 75% 80% 85% 90% 95% 100% 7 8 9 101112131415161718192021222324252627282930 vin (v) efficiency (%) efficiency vs vin (forward voltage = 3.5v per led) 1 led 2 led 3 led 4 led 5 led 6 led 7 led
series amldlw-z up to 1000ma | led driver www.aimtec.com tel: +1 514 620 2722 toll free: + 1 888 9 aimtec (924 6832) f 051e r9 11 of 11 north america only typical characteristics: AMLDLW-30100Z note: 1. datasheets are updated as needed and as such, specifications ar e subject to change without notic e. once printed or downloaded , datasheets are no longer controlled by aimtec; refer to www.aimtec.com for the most current product specifications. 2. product labels shown, including safety a gency certifications on labels, may vary based on the date manufactured. 3. mechanical drawings and specifications are for reference only. 4. all specifications are measured at an ambient temperature of 25c, humidity<75%, nominal input voltage and at rated output load unless otherwise specifie d. 5. aimtec may not have conduct ed destructive testing or chemical analysis on all internal components and chemicals at the time of publishing this document. cas numbers and other limited information are consi dered proprietary and may not be available for release. 6. this product is not designed for use in critical life support systems, equipment used in hazardous environments, nuclear contr ol systems or other such applications which necessitate specific safety and regulatory st andards other the ones listed in this datasheet. 7. warranty is in accordance with aimtec ?s standard terms of sale available at www.aimtec.com. 70% 75% 80% 85% 90% 95% 100% 7 8 9 101112131415161718192021222324252627282930 vin (v) efficiency (%) efficiency vs vin (forward voltage = 3.5v per led) 1 led 2 led 3 led 4 led 5 led 6 led 7 led 25 50 75 100 125 150 175 200 225 250 275 300 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 vin (v) frequency (khz) operating frequency vs input voltage (forward voltage = 3.5v per led) 7 led 5 led 3 led 1 led 2 led 4 led 6 led output current vs v adj 0 100 200 300 400 500 600 700 800 900 1000 1100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 vadj (v) iled (ma)
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