CM3706A 查看數據表（PDF） - Champion Microelectronic

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CM3706A

1.5MHz, 600mA Synchronous Step-Down Regulator

Champion Microelectronic 

CM3706A

1.5MHz, 600mA Synchronous Step-Down Regulator

PIN DESCRIPTION

Pin No.

1

2

3

4

5

Symbol

RUN

GND

SW

VIN

FB

Description

Regulator Enable control input. Drive RUN above 1.5V to turn on the part. Drive RUN

below 0.3V to turn it off. In shutdown, all functions are disabled drawing <1µA supply

current. Do not leave RUN floating.

Ground Pin.

Power Switch Output. It is the Switch note connection to Inductor. This pin connects to the

drains of the internal P-CH and N-CH MOSFET switches.

Supply Input Pin. Must be closely decoupled to GND, Pin 2, with a 2.2µF or greater ceramic

capacitor.

VFB (CM3706A): Feedback Input Pin. Connect FB to the center point of the external resistor

divider. The feedback threshold voltage is 0.6V.

ORDERING INFORMATION/ MARKING

Adjustable Output Version

Part Number

CM3706AGIM25

Output

Adj

Top Mark

A1XY

Temp Range

-40°C to +85°C

2008/03/07 Rev. 1.0

Champion Microelectronic Corporation

Page 3

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