HiLo 2x 7135 and Zener
author: Ecotack
2 layer board of 0.48 x 0.90 inches (12.3 x 22.9 mm)
Uploaded:
September 1st 2019
Shared:
October 9th 2019
Total Price:
$2.15
LED driver using 2xL7135 (AMC7135) for two brightnesses. Use the 3v3 Zener and 1K resistor for Vin over 5v. Vin must match the LED forward voltage, e.g, 6v use two LED in series. Connect Gnd and Vin for low(350mA), then connect pin 2 to Vin for high(700mA).
LED driver using 2xL7135 (AMC7135) for two brightnesses. Use the 3v3 Zener and 1K resistor for Vin over 5v. Vin must match the LED forward voltage, e.g, 6v use two LED in series. Connect Gnd and Vin for low(350mA), then connect pin 2 to Vin for high(700mA).