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AMLDLW-3070Z датащи(PDF) 4 Page - AIMTEC |
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AMLDLW-3070Z датащи(HTML) 4 Page - AIMTEC |
4 / 11 page 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 interference and high frequency noise. The recommended value of CADJ is 0.22µF. NOTE: Typical error is ±10% with resistive dimming control 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 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 1st LED +Vout 1 1 -Vout PWM 0V 1.25V GND Last LED AMLDLW-Z -Vin VADJ 1st 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 1st LED +Vout 1 1 -Vout PWM 0V GND 1 Last LED 1.25V 10K |
Аналогичный номер детали - AMLDLW-3070Z |
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Аналогичное описание - AMLDLW-3070Z |
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