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series am ldlw -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 .d 1 of 12 north america only features: models single output model input voltage (v) output voltage (v) maximum rated current (ma) max capacitive load (uf) efficiency (%) amldl w - 3035z 7 - 30 2 - 28 350 47 95 amldl w - 30 50 z 7 - 30 2 - 28 500 47 95 amldl w - 30 70 z 7 - 30 2 - 28 700 47 95 amldl w - 30 100 z 7 - 30 2 - 28 1000 47 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 specification s parameters nominal typical maximum units voltage range 24 7 - 30 vdc filter capacitor absolute maximum rating 4 0 vdc peak input voltage time 500 ms dc/dc on (leave open if not used) on C open or 0.3v1.5v to 3v 300 ma short circuit protection regulated at t he rated current for each model output no load protection continuously max load capacitance 47 f temperature coefficient ta = - 40 to +85c 0.0 5 %/ o c ripple & noise 20mhz bandwidth 2 50 mv p - p general specifications parameters conditions typica l maximum units switching frequency 100 % load 4 0 - 3 8 0 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 - 40o c to +85oc ? constant current output ? open and short led protection ? wide (4:1) input voltage range ? p wm/digital and analog voltage di mming ? high efficiency up to 95% ? remote on/off control ? step d own dc/dc led driver ? rohs compliant
series am ldlw -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 .d 2 of 12 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 m tbf > 500 000hrs (mil - hdbk - 217 f at +25 o c) maximum soldering temperature 1.5 mm 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 , g rounding vadj will shut the driver off, connecting vadj to +vin will damage the driver. 3. maximum output open voltage is equal to input voltage safety specifications parameters agency approvals ce, en 55015, en 61547 sta ndards electrostatic discharge immunity iec 61000 - 4 - 2 rf, electromagnetic field immunity iec 61000 - 4 - 3 electrical fast transient/burst immunity iec 61000 - 4 - 4 surge immunity iec 61000 - 4 - 5 rf, conducted disturbance immunity iec 61000 - 4 - 6 power freq uency magnetic field immunity iec 61000 - 4 - 8 voltage dips, short interruptions immunity iec 61000 - 4 - 11 pin out specifications pin single description 1 (black) - v input - dc supply 2 (white) vadj pwm/on/off or not used 8(blue) - v output led cathode co nnection 9(yellow) + v output led anode connection 16 (red) + v input + dc supply
series am ldlw -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 .d 3 of 12 north america only d i mensions 19 . 60 ( 0 . 77 ) 1 4 . 0 0 ( 0 . 5 5 ) 1 1 . 0 0 ( 0 . 4 3 ) 23 . 40 ( 0 . 92 ) 2 8 16 1 9 bottom view 1 0 . 1 6 ( 0 . 4 0 ) 14 . 00 ( 0 . 55 ) 1 0 0 . 0 0 ( 3 . 9 4 ) 1 0 . 0 0 ( 0 . 3 9 ) 1 2 16 1 0 . 1 6 ( 0 . 4 0 ) 14 . 00 ( 0 . 55 ) 1 0 0 . 0 0 ( 3 . 9 4 ) 1 0 . 0 0 ( 0 . 3 9 ) 8 9 all wires are stripped & tinned lead wires are under the specifications of general lamps : wire is ul 1015 / csatem listed # 22 awg / 600 v / 105 oc
series am ldlw -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 .d 4 of 12 north america only application circuit example s : output current adjustment b y 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 tl 431 10k 10 k 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 5 vac to 21 vac last led - 0. 1uf optional 100 uf to 330 uf the nominal output current is given by : 0. 08 x vadj x iout ? amldlw - z - vin vadj 1 st led + vout 1 1 - vout + 5 v 10 k 30 k r 2 r 1 vctrl [ [ vadj = r 2 r 1 + r 2 x vctrl
series am ldlw -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 .d 5 of 12 north america only r esist ive dimming control a simplified dimming control can be ach i eved using a variable resistor conne cted between vadj and gnd. capacitor cadj is optional, it is installed to limit ac mains interference and high frequency noise. the recommended value of cadj is 0.22f . ioutnom= iout x radj radj + 200 k the nominal output current is given by : note: typical error is 10% with resistive dimming contr ol output current adjustment by pwm control : driving vadj directly a pulse width modulated (pwm) signal with a duty cycle of dpwm can be applied directly to vadj pin as shown below. model number x amldl w - 3035z 0.280 amldl w - 3050z 0.197 aml dl w - 3070z 0.1388 amldl w - 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 0 v 1 . 25 v 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 < dpwm < 1 ] amldlw - z - vin vadj 1 st led + vout 1 1 - vout pwm 0v gnd 1 last led 1.25 v 10k
series am ldlw -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 .d 6 of 12 north america only driving the vadj from a microcontroller the vadj can be driven from an open drain output of a microcontroller 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 vo ltage 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. discharge vcc reset out crt_v gnd ne 555 trigger threshold 7 8 4 3 5 1 2 6 + + + - - - 100nf 10uf 16v amsr-7805-z +vin - vin + - + - + - 1 3.3k 1n4148 2sd11782k pmw amldlw-z pin 2 (vadj) amldlw-z pin 1 vr 100k 2k 210 10uf 35v 100nf 100nf 10uf 16v output current adjustment by pwm control (flash) : discharge vcc reset out crt _ v gnd ne 555 trigger threshold 7 8 4 3 5 1 2 6 + + + - - - 10 uf 35 v 10 uf 16 v amsr - 7805 - z + vin - vin 1 1 1 n 4148 + - vr 100 k 470 + - + - 1 3 . 3 k 1 n 4148 2 sd 11782 k 210 100 nf 100 nf 100 nf 100 nf pmw amldlw - z pin 2 ( vadj ) amldlw - z pin 1 amldlw - z - vin vadj 1 st led + vout 1 1 - vout mcu gnd 1 10 k last led
series am ldlw -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 .d 7 of 12 north america only recommended class b emi filter : thermal f eedback circuit the selection of components for the thermal feedback circuit is depend s 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 points of approximately 25 o c, 40 o c, and 60 oc. note , that the led drive current will not continually dim to zero C the thermal controls appl y ing dc control to that vadj pin has a dimming ratio from maximum current of approximately 5:1. once the reduced d c level drops below the shutdown threshold 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 value of the thermistor. the larger the beta value the sharper will be the resultant current control response. the slope of the current reduction is also affected by q1s base emitter voltage variation with temperature. model number inductor value (h) amldl w - 3035z 68 amldl w - 3050z 27 amldl w - 3070z 27 amldl w - 30100z 27 amldlw - z + vin - vin vadj 1 st led last led + vout 1 1 analogue dim pwm dim / on / off - vout 10 uf + - l - + amldlw - z - vin vadj 1 st led + vout 1 1 - vout gnd 1 10 k last led q 1 1 r 1 4. 7k r 2 10k r 3 10k thermistor b 3900 bzx 284c 6v 2 + vin + vin thermally connected
series am ldlw -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 .d 8 of 12 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 1n 4148 10k amldlw - z - vin vadj 1 . 25v 1 st led + vout 1 1 - vout gnd 1 6 .2k last led 1n 4148 10k amldlw - z - vin vadj 1 . 25v 1 st led + vout 1 1 - vout gnd 1 6 .2k last led 1n 4148 10k amldlw - z - vin vadj 1 . 25v 1 st led + vout 1 1 - vout gnd 1 6 .2k last led 1n 4148 10k amldlw - z - vin vadj 1 . 25v 1 st led + vout 1 1 - vout gnd 1 6 .2k last led 1n 4148 10k amldlw - z - vin vadj 1 . 25v 1 st led + vout 1 1 - vout gnd 1 6 .2k last led 1n 4148 10k out : 0 ~ 2.5v + 5v ~ + vin 1 tl 431 10k 4 .7k gnd
series am ldlw -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 .d 9 of 12 north america only typical characteristics : amldl w - 3035z 1 led 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 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 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 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 efficiency (%)
series am ldlw -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 .d 10 of 12 north america only typical characteristics : amldl w- 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 am ldlw -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 .d 11 of 12 north america only typical characteristics: amldl w - 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 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) 1 led 2 led 3 led 4 led 5 led 6 led 7 led
series am ldlw -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 .d 12 of 12 north america only typical characteristics : amld lw - 30100z note: 1. datasheets are updated as needed and as such, specifications are subject to change without notice. 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 agency 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 conducted destructive testing or chemical analysis on all internal components and chemicals at the time of publ ishing this document. cas numbers and other limited information are considered 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 c ontrol systems or other such applications which necessitate specific safety and regulatory standards other the ones listed in this datasheet. 7. warranty is in accordance with aimtecs standard terms of sale available at www.aimtec.com. 70% 75% 80% 85% 90% 95% 100% 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) 1 led 2 led 3 led 4 led 5 led 6 led 7 led 25 50 75 100 125 150 175 200 225 250 27 5 300 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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