ACE732E

6V/3.5A, Fast Response, Step-Down Converter

VER 1.2

2

Typical Application

ACE732E

Typical Application Circuit of 1.2V Output

Packaging Type

EN

VIN

PGND

SW

AGND

NC

FB

VOS

DFN2x2-8L

DFN2x2-8

Description

Function

1

EN

Enable pin for the IC. Drive this pin to high to enable the part, low to disable

2

PGND

Power Ground. The ground

of internal power NMOS. Bypass with a 22μF

ceramic capacitor to VIN

3

AGND

Analog Ground. To keep this ground free from noise by connecting a 10nF

ceramic capacitor to VIN. Do not short his

pin to PGND directly in PCB,

but through a PCB trace to connect the 2 GND together.

4

FB

Feedback Input. Connect an external

resistor divider from the output to

FB and GND to set the output to a voltage between 0.45V and VIN

5

VOS

Output voltage sense pin, to be connected to the output node of regulator.

6

NC

Not connected. Please do leave this pin float.

7

SW

Inductor Connection. Connect an 1uH inductor Between SW and the

regulator output.

8

VIN

Supply Voltage. Bypass with a 22μF ceramic capacitor to PGND and 10nF

to AGND.