ACE721B

1.3A 1.4MHz Synchronous Step-Down Converter

VER 1.2

2

Absolute Maximum Ratings

Parameter

Symbol

Value

Unit

Supply Voltage

-0.3 to 6

V

V

SW Voltage

V

Peak SW Sink and Source Current

3

A

0.606

W

Operation Temperature

-40 to 85

℃

Storage Temperature Range

-65 to 150

℃

Packaging Type

DFN2*2-6L

(TOP VIEW)

DFN2*2-6L

Description

Function

1

GND

Ground pin

2

EN

Chip Enable Pin. Drive EN above 1.5V to turn on the part. Drive RUN below

0.3V to turn it off. Do not leave RUN floating.

3

VIN

Supply input pin.

4

SW

Power Switch Output. It is the switch node connection to Inductor.This pin

connects to the drains of the internal P-ch and N-ch MOSFET switches.

5

GND

Ground pin

6

FB/VOUT

Adjustable version feedback input. Connect FB to the center point of the

external resistor divider. The feedback threshold voltage is 0.6V.

7

EP

Power Ground exposed pad, Must be connected to bare copper ground

plane