ACE735E

36V Input Standoff Voltage, 1.5A Step-Down Converter

VER 1.1

6

Input Capacitor Selection

The input capacitor in a DC-to-DC LED Driver reduces current peaks drawn from the battery or other

input power source and reduces switching noise in the controller. The impedance of the input capacitor at

the switching frequency should be less than that of the input source so high-frequency switching currents

do not pass through the input source.The output capacitor keeps output ripple small and ensures

control-loop stability

Dimming Control

(μF)

(μF)

8

22

15 to 22

5

22

10 to 15

3.3

22

6.8 to 10

TYPICAL CHARACTERISTICS