Series AMLD-Z Up to 1000mA LED Driver

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range PWM/Digital and Analog Voltage dimming High efficiency up to 97% Built with MLCC Capacitors only Output Voltage (V) Maximum Rated Current (ma) Max Capacitive Load (uf) Efficiency (%) Ripple &

1 FEATURES: Click on Series name for product info on aimtec.com Models Single output Model Input Voltage (V) Step Down DC/DC LED driver Operating Temperature range 4ºC to 85ºC Constant current output Open and Short LED Protection Ultra Wide (8:) input voltage range PWM/Digital and Analog Voltage dimming High efficiency up to 97% Built with MLCC Capacitors only Output Voltage (V) Maximum Rated Current (ma) Max Capacitive Load (uf) Efficiency (%) Ripple & Noise (mv pp) AMLD65Z AMLD6Z AMLD63Z AMLD635Z AMLD6Z AMLD66Z AMLD67Z AMLD6Z NOTE: All specifications in this datasheet are measured at an ambient temperature of C, humidity<%, nominal input voltage and at rated output load unless otherwise specified. Input Specifications Parameters Nominal Typical Maximum Units Voltage range 76 VDC Filter Capacitor Absolute Maximum Rating 65 VDC Peak Input Voltage time ms DC/DC ON (Leave open if not used) ON Open or.3v<vadj<. DC/DC OFF OFF(shutdown) Vadj<.5 Maximum Remote pin drive current Vadj =.V ma Quiescent Current in Shutdown mode Vin = 6V, Vadj <.5. ma On/Off Control (Digital Control) Max PWM Frequency KHz Output current adjustment PWM Frequency <Hz. to % Minimum Switch ON/OFF time ns On/Off Control (Analog Dimming Control) (Leave open if not used) Input voltage range.3. VDC Output current adjustment* Vin<3 % Control Voltage Range limits ON.2.3V (Vadj rise) OFF..V (Vadj fall) Maximum Analog pin drive current Vadj =.V ma NOTE: Vin Vout must be less than 3V to maintain current adjustment range Output Specifications Parameters Conditions Typical Maximum Units Current accuracy ±7 % Output Voltage range V input = 6V 7 VDC Output current Vin Vout > 3V Short Circuit protection Regulated at the rated current for each model Output no load Protection Continuously Max load capacitance 47 µf Temperature coefficient Ta = 4 to 85 C ±.3 %/ o C Ripple & Noise 2MHz Bandwidth See model table F 5e R2.H of 3 North America only

2 General Specifications Parameters Conditions Typical Maximum Units Switching frequency % load 2 KHz Operating temperature 4 to 85 o C Storage temperature 4 to o C Derating See derating curve Maximum case temperature o C Thermal Impedance Free air convection 3 o C/W Cooling Free air convection Humidity 95 % RH Case material NonConductive Black Plastic (UL94V rated) Weight 2.5 g Dimensions (L x W x H). x.8 x.49 inches 3. x 2.32 x 2.45 mm MTBF > 9 hrs (MILHDBK27 F at o C) Maximum Soldering Temperature.5mm from case for sec. 26 o C NOTES:. 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 opened if not used, grounding will shut the driver off, connecting to will damage the driver. 3. Maximum output open voltage is equal to input voltage. Safety Specifications Parameters Agency approvals Standards CE EN 55 (CISPR 5) EN 6547 IEC 642 (Perf. Criteria A) IEC 643 (Perf. Criteria A) IEC 644 (Perf. Criteria A) IEC 645 (Perf. Criteria A) IEC 646 (Perf. Criteria A) IEC 648 (Perf. Criteria A) Pin Out Specifications Pin Single 2 V Input DC Supply 3 V Input DC Supply 4 Vadj PWM/ON/OFF or not used 9 V Output LED Cathode connection V Output LED Cathode connection 4 V Output LED Anode connection 6 V Output LED Anode connection 22 V Input DC Supply 23 V Input DC Supply F 5e R2.H 2 of 3 North America only

3 Derating Dimensions 3. (.).4 ( (.8) Bottom View 5.24 (.6) (.2) 2.54 (.) 5.8 (.2) 2.45 (.49) 3.5 (.2 Mechanical Tolerances Case tolerance ±.mm or ±. inches Pin tolerance ±.5 or ±.2 Application circuit examples: Analogue DIM PWM Dim/ON/OFF Vout st LED Analogue DIM PWM Dim/ON/OFF Vout st LED F 5e R2.H 3 of 3 North America only

4 Application circuit examples (continued): AC In 5Vac to 42Vac.uF optional AC In uf to 33uF Analogue DIM PWM Dim/ON/OFF Vout st LED Output Current Adjustment by External DC Control Voltage (VCTRL): VCTRL= (If VCTRL=.Vdc).V Vout st LED GND = [ R2 R R2 [ X VCTRL (If VCTRL>.Vdc) Vctrl 5v VCTRL VDC R R2 3K K Vout st LED R R2 7K K Vout st LED F 5e R2.H 4 of 3 North America only

5 Output Current Adjustment by External DC Control Voltage (VCTRL) (continued): = [ R3 R2 R3 [ If VCTRL = Vin X 2.5 R 4.7K R 4.7K TL43 R2 K R3 If Vin is between 7 VDC and 36 VDC it is recommended to use the circuit shown below K Vout st LED KDZTR27B TL43 R2 K R3 If Vin is between 36 VDC and 6 VDC it is recommended to use the circuit shown below K Vout st LED Resistive Dimming Control A simplified dimming control can be achieved using a variable resistor connected between and GND. Capacitor CADJ is optional, it is installed to limit AC mains interference and high frequency noise. The recommended value of CADJ is.22µf. NOTE: Typical error is ±% with resistive dimming control The output current is given by: Ioutnom Iout x Radj (Radj K) If RADJ is between and 2M ohm, the maximum adjustment range of Iout is % to 9% (for Vin Vout < 2V) CADJ Vout st LED RADJ F 5e R2.H 5 of 3 North America only

6 Output Current Adjustment by PWM Control: Driving 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 < Hz, for.<dpwm<].v V PWM Vout st LED GND Driving Via Open Collector Transistor The 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 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. Vout.V V PWM 3.3K st LED GND F 5e R2.H 6 of 3 North America only

7 Driving the from a Microcontroller The 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 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. Vout MCU 3.3K st LED GND Output Current Adjustment by PWM Control (Dimming): A PWM signal must have a frequency of greater than Hz to prevent any visible flicker. uf 35V AMSR785Z nf uf 6V N448 VR K 47 nf Vcc Reset Discharge 6 2 Threshold Trigger NE 555 Out CRT_V GND 3 5 nf 2SD782K 2 nf 3.3K N448 PMW Pin 4 () Pin 2,3 Output Current Adjustment by PWM Control (Flash): Vin uf 35V AMSR785Z nf uf 6V VR K Vcc Reset Discharge nf 2K uf 6V 6 Threshold 2 Trigger NE 555 GND Out CRT_V 3 5 2SD782K 2 nf 3.3K N448 PMW Pin 4 () Pin 2,3 F 5e R2.H 7 of 3 North America only

8 Recommended Class B EMI Filter: 4.7uF 4.7uF 47uH 33uF Analogue DIM PWM Dim/ON/OFF Vout st LED Typical Characteristics: AMLD63Z Frequency (KHz) LED Operating Frequency vs Input Voltage LED Efficiency (%) LED Efficiency vs Vin ( Forward Voltage = 3.5V per LED) 6 LED ILED (ma) Output Current Vs (V) F 5e R2.H 8 of 3 North America only

9 Typical Characteristics: AMLD635Z Frequency (KHz) LED 3 3 LED Operating Frequency vs Input Voltage LED Efficiency (%) LED Efficiency vs Vin 6 LED ILED (ma) Output Current Vs (V) F 5e R2.H 9 of 3 North America only

10 Typical Characteristics: AMLD6Z Frequency (KHz) 3 LED LED Operating Frequency vs Input Voltage 6 LED Efficiency (%).% 95.% 9.% 85.% 8.%.% 7.% LED Efficiency vs Vin 6 LED ILED (ma) 6 Output Current Vs (V) F 5e R2.H of 3 North America only

11 Typical Characteristics: AMLD66Z Operating Frequency vs Input Voltage Frequency (KHz) LED 6 LED Efficiency (%) % 95% 9% 85% 8% % 7% LED Efficiency vs Vin LED ILED (ma) Output Current Vs (V) F 5e R2.H of 3 North America only

12 Typical Characteristics: AMLD67Z Operating Frequency vs Input Frequency (KHz) ) 3 LED 6 LED Efficiency (%) % 95% 9% 85% 8% % 7% LED Efficiency vs Vin 6 LED Output Current Vs ILED (ma) (V) F 5e R2.H 2 of 3 North America only

13 Typical Characteristics: AMLD6Z Frequency (KHz) Operating Frequency vs Input Voltage Efficiency (%) % 95% Efficiency vs Vin 6 LED 9% 85% LED LED 8% 6 LED % 7% ILED (ma) Output Current Vs (V) NOTE:. 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 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 C, humidity<%, 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 F 5e R2.H 3 of 3 North America only

Series AMLDL-Z Up to 1000mA LED Driver

Series AMLDL-Z Up to 1000mA LED Driver FEATURES: Step Down DC/DC LED driver Operating Temperature range 4ºC to 85ºC Constant current output Open and Short LED Protection Wide (4:) input voltage range PWM/Digital and Analog Voltage dimming High