Series AMLD-Z Up to 1000mA | LED Driver FEATURES: • • • • • • • • Step Down DC/DC LED driver Constant current output Ultra Wide (8:1) input voltage range High efficiency up to 97% Operating Temperature range -40ºC to +85ºC Open and Short LED Protection PWM/Digital and Analog Voltage dimming Built with MLCC Capacitors only Models Single output Input Voltage (V) Model AMLD-6015Z AMLD-6025Z AMLD-6030Z AMLD-6035Z AMLD-6050Z AMLD-6070Z AMLD-60100Z 7-60 7-60 7-60 7-60 7-60 7-60 7-60 Output Voltage (V) Output Current (mA) 2-57 2-57 2-57 2-57 2-57 2-57 2-48 Efficiency (%) Ripple & Noise (mV p-p) 97 97 97 97 97 97 97 150 200 250 300 400 500 800 150 250 300 350 500 700 1000 NOTE: All specifications in this datasheet are measured at an ambient temperature of 25°C, humidity<75%, nominal input voltage and at rated output load unless otherwise specified. Input Specifications Parameters Voltage range Filter Absolute Maximum Rating Peak Input Voltage time DC/DC ON (Leave open if not used) DC/DC OFF Maximum Remote pin drive current Quiescent Current in Shutdown mode On/Off Control (Digital Control) Output current adjustment Minimum Switch ON/OFF time On/Off Control (Analog Dimming Control) (Leave open if not used) Output current adjustment* Nominal Typical Units VDC 65 500 VDC ms 1 0.1 mA mA ON –Open or 0.3V<Vadj<1.25 OFF(shutdown) – Vadj<0.15 Vadj = 1.25V Vin = 60V, Vadj <0.15 PWM Frequency <300Hz Max PWM Frequency 1KHz 0.1 to 100 200 Input voltage range Vin-Vout<30 % ns 0.3-1.25 VDC 25-100 ON – 0.2 – 0.3V (Vadj rise) OFF – 0.15-0.25V (Vadj fall) Control Voltage Range limits Maximum Analog pin drive current Maximum 7-60 Capacitor Vadj = 1.25V % 1 mA NOTE: Vin –Vout must be less than 30V to maintain current adjustment range Output Specifications Parameters Current accuracy Output Voltage range Output current Short Circuit protection Output no load Protection Max load capacitance Temperature coefficient Ripple & Noise www.aimtec.com F 051e R12.C Conditions Typical ±7 2-57 Maximum V input = 60V Vin – Vout > 3V Regulated at the rated current for each model Continuously 47 Ta = -40 to +85°C ±0.03 20MHz Bandwidth See model table Tel: +1 514 620 2722 1 of 13 Units % VDC µF %/oC Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver General Specifications Parameters Switching frequency Operating temperature Storage temperature Derating Maximum case temperature Thermal Impedance Cooling Humidity Case material Weight Dimensions (L x W x H) MTBF Maximum Soldering Temperature NOTES: Conditions Typical 100% load 20 - 500 Maximum Units KHz o C o C -40 to +85 -40 to +150 See derating curve o 110 Free air convection o +30 Free air convection 95 Non-Conductive Black Plastic (UL94-V0 rated) 12.5 1.25 x 0.80 x 0.49 inches 31.75 x 20.32 x 12.45 mm > 950 000hrs (MIL-HDBK-217 F at +25 oC) 1.5mm from case for 10sec. 260 C C/W % RH g o C 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 driver. 3. Maximum output open voltage is equal to input voltage. Safety Specifications Parameters Agency approvals Standards CE EN 55015 (CISPR22) EN 61547 IEC 61000-4-2 (Perf. Criteria A) IEC 61000-4-3 (Perf. Criteria A) IEC 61000-4-4 (Perf. Criteria A) IEC 61000-4-5 (Perf. Criteria A) IEC 61000-4-6 (Perf. Criteria A) IEC 61000-4-8 (Perf. Criteria A) Pin Out Specifications Pin 2 3 4 9 11 14 16 22 23 Single - V Input - V Input Vadj - V Output - V Output + V Output + V Output + V Input + V Input www.aimtec.com F 051e R12.C - DC Supply - DC Supply PWM/ON/OFF or not used LED Cathode connection LED Cathode connection LED Anode connection LED Anode connection + DC Supply + DC Supply Tel: +1 514 620 2722 2 of 13 Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver Derating Dimensions 31.75 (1.25) 25.40 (1.00 2 20.30 (0.80) 3 4 11 9 15.24 (0.60) Bottom View 23 22 21 0.50 (0.02) 16 14 2.54 (0.1) 12.45 (0.49) 5.08 (0.2) Mechanical Tolerances Case tolerance ± 0.25mm or ± 0.01 inches Pin tolerance ± 0.05 or ± 0.002 3.05 (0.12 Application circuit examples: + 1st LED -Vout Analogue DIM PWM Dim/ON/OFF www.aimtec.com F 051e R12.C AMLD-Z -Vout -Vin 1 VADJ + 1 AMLD-Z -Vin +Vout +Vin +Vout +Vin 1 1 1 1 1st LED Last LED VADJ Analogue DIM PWM Dim/ON/OFF Tel: +1 514 620 2722 3 of 13 Last LED Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver Application circuit examples (continued): AC In 5Vac to 42Vac +Vin + 100uF to 330uF 0.1uF optional +Vout AMLD-Z - 1st LED 1 -Vout -Vin Last LED 1 AC In VADJ Analogue DIM PWM Dim/ON/OFF Output Current Adjustment by External DC Control Voltage (VCTRL): VCTRL= VADJ (If VCTRL=0-1.25Vdc) +Vout VADJ 0 -1.25V AMLD-Z -Vin 1st LED 1 -Vout Last LED 1 GND [ Vctrl +5v R1 30K R2 R1 + R2 [ VADJ = X VCTRL (If VCTRL> 1.25Vdc) VCTRL R1 +Vout VADJ R2 10K -Vin -Vout 70K +Vout 1st LED VADJ 1 AMLD-Z 0 – 10VDC R2 10K 1 www.aimtec.com F 051e R12.C AMLD-Z -Vin 1st LED 1 -Vout 1 Tel: +1 514 620 2722 4 of 13 Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver Output Current Adjustment by External DC Control Voltage (VCTRL) (continued): +Vin [ R3 R2 + R3 [ VADJ = X 2.5 +Vin If VCTRL = Vin R1 R1 4.7K 4.7K R2 If Vin is between 7 VDC and 36 VDC it is recommended to use the circuit shown below 10K 1 R3 TL431 R2 +Vout VADJ 10K 1 KDZTR-27B 1st LED 10K 1 AMLD-Z If Vin is between 36 VDC and 60 VDC it is recommended to use the circuit shown below +Vout -Vout -Vin VADJ Last LED 1 TL431 1 AMLD-Z R3 10K -Vin 1st LED 1 -Vout Last LED 1 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 interference and high frequency noise. The recommended value of CADJ is 0.22µF. NOTE: Typical error is ±10% with resistive dimming control The output current is given by: Iout x Radj Ioutnom ≈ (Radj + 50K) If RADJ is between 0 and 2M ohm, the maximum adjustment range of Iout is 25% to 90% (for Vin – Vout < 20V) +Vout VADJ CADJ AMLD-Z -Vin -Vout RADJ www.aimtec.com F 051e R12.C 1st LED 1 1 Tel: +1 514 620 2722 5 of 13 Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver Output Current Adjustment by PWM Control: Driving VADJ Directly A Pulse Width Modulation (PWM) signal with a duty cycle DPWM can be applied to the ADJ pin as shown below. The output current is given by: Iout ≈ Ioutnom x DPWM [if PWM frequency < 300Hz, for 0.1<DPWM<1] +Vout 1.25V PWM VADJ AMLD-Z -Vout -Vin 0V 1st LED 1 Last LED 1 GND 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. www.aimtec.com F 051e R12.C Tel: +1 514 620 2722 6 of 13 Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver 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 voltage 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): www.aimtec.com F 051e R12.C Tel: +1 514 620 2722 7 of 13 Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver Recommended Class B EMI Filter: 47uH +Vin + 4.7uF - +Vout + + 4.7uF - AMLD-Z -Vin 1st LED 1 -Vout - 1 VADJ Last LED Analogue DIM PWM Dim/ON/OFF Typical Characteristics: AMLD-6030Z Frequency (KHz) Operating Frequency vs Input Voltage (Forward Voltage = 3.5V per LED) 100 400 375 350 85 175 150 25 3 LED 90 225 200 7 LED 5 LED 4 LED 275 250 75 50 6 LED 95 325 300 125 100 Efficiency vs Vin ( Forward Voltage = 3.5V per LED) Efficiency (%) 2 LED 80 75 1 LED 3 LED 2 LED 5 LED 4 LED 6 LED 1 LED 7 LED 70 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 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) Vin (V) Output Current Vs VADJ ILED (mA) 325 300 275 250 225 200 175 150 125 100 75 50 25 0 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) www.aimtec.com F 051e R12.C Tel: +1 514 620 2722 8 of 13 Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver Typical Characteristics: AMLD-6035Z Frequency (KHz) Operating Frequency vs Input Voltage (Forward Voltage = 3.5V per LED) Efficiency vs Vin (Forward Voltage = 3.5V per LED) Efficiency (%) 375 350 7 LED 95.00 6 LED 5 LED 325 4 LED 300 90.00 275 250 225 85.00 3 LED 2 LED 200 175 80.00 150 125 1 LED 100 75 75.00 1 LED 3 LED 50 2 LED 25 1 LED 5 LED 6 LED 4 LED 70.00 7 LED 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 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) Vin (V) Output Current Vs VADJ ILED (mA) 375 350 325 300 275 250 225 200 175 150 125 100 75 50 25 0 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) www.aimtec.com F 051e R12.C Tel: +1 514 620 2722 9 of 13 Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver Typical Characteristics: AMLD-6050Z Frequency (KHz) Efficiency (%) Operating Frequency vs Input Voltage (Forward Voltage = 3.5V per LED) Efficiency vs Vin (Forward Voltage = 3.5V per LED) 100.00% 350 325 95.00% 300 3 LED 2 LED 4 LED 5 LED 6 LED 7 LED 275 250 90.00% 225 1LED 200 85.00% 175 150 80.00% 125 1 LED 100 75 50 1 LED 5 LED 3 LED 2 LED 6 LED 4 LED 7 LED 75.00% 25 70.00% 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 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) Vin (V) Output Current Vs VADJ ILED (mA) 600 500 400 300 200 100 0 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) www.aimtec.com F 051e R12.C Tel: +1 514 620 2722 10 of 13 Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver Typical Characteristics: AMLD-6060Z Frequency (KHz) Operating Frequency vs Input Voltage (Forward Voltage = 3.5V per LED) 100% 325 300 275 250 95% 225 200 90% 175 150 85% 125 100 75 50 25 Efficiency vs Vin (Forward Voltage = 3.5V per LED) Efficiency (%) 3 LED 4 LED 5 LED 6 LED 7 LED 2 LED 1 LED 80% 1 LED 2 LED 3 LED 5 LED 7 LED 75% 6 LED 4 LED 0 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 70% Vin (V) ILED (mA) 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) Output Current Vs VADJ 700 600 500 400 300 200 100 0 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) www.aimtec.com F 051e R12.C Tel: +1 514 620 2722 11 of 13 Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver Typical Characteristics: AMLD-6070Z Operating Frequency vs Input Frequency (KHz) Efficiency (%) (Forward Voltage = 3.5V per LED)) Efficiency vs Vin (Forward Voltage = 3.5V per LED) 100% 350 325 300 275 95% 250 90% 225 3 LED 4 LED 5 LED 6 LED 7 LED 2 LED 1 LED 200 175 85% 150 80% 125 100 75 50 1 LED 2 LED 5 LED 3 LED 4 LED 25 75% 7 LED 6 LED 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 70% 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) Vin (V) Output Current Vs VADJ ILED (mA) 700 600 500 400 300 200 100 0 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) www.aimtec.com F 051e R12.C Tel: +1 514 620 2722 12 of 13 Toll free: + 1 888 9 AIMTEC (924 6832) North America only Series AMLD-Z Up to 1000mA | LED Driver Typical Characteristics: AMLD-60100Z Frequency (KHz) Operating Frequency vs Input Voltage (Forward Voltage = 3.5V per LED) Efficiency (%) Efficiency vs Vin (Forward Voltage = 3.5V per LED) 100% 300 275 95% 250 225 3 LED 4 LED 5 LED 6 LED 7 LED 2 LED 90% 200 175 85% 150 125 100 1 LED 80% 1 LED 75 75% 3 LED 50 2 LED 25 7 8 5 LED 4 LED 7 LED 6 LED 70% 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 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) Vin (V) ILED (mA) Output Current Vs VADJ 1100 1000 900 800 700 600 500 400 300 200 100 0 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) 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 25°C, humidity<75%, nominal input voltage and at rated output load unless otherwise specified. 5. Aimtec may not have conducted 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 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 control 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 Aimtec’s standard Terms of Sale available at www.aimtec.com. www.aimtec.com F 051e R12.C Tel: +1 514 620 2722 13 of 13 Toll free: + 1 888 9 AIMTEC (924 6832) North America only