Features

• Wide supply voltage operating range: 1.8 to13 V

• Low current consumption: Typically 5.5 mA

in operation, 1

µA or less in stand-by

• High speed operation is possible: Maximum

1 MHz

• The error amplifier gain is set inside the IC,

so peripheral components are minimized.

• Incorporates a soft start circuit.

• Incorporates a timer-latch type short circuit

detection circuit (SCP).

• Totem-pole type output with adjustable on/off

current (for NPN transistors)

• Incorporates a stand-by function.

Applications

• Power source for battery-powered equipment

• Power source for cameras, camcorders, VCRs,

PDAs, electronic data banks, and hand-held

Communication equipment

General Description

The CP3800 is a single-channel switching

regulator control IC for low voltage applications

incorporating a soft start function and short circuit

detection function. The device has a low minimum

operating voltage of 1.8 V and is ideal for the

power supply of battery-operated electronic

equipment.

The CP3800 can be operated on two types: non-

insulated input/output choppers (step-up, step-

down , and insulated input/output converters (fly-

back). The former type is used for DC/DC

converters and the latter type is used for DC/DC

converts and line-operation-type power supplies.

Block Diagram

CP3800

Switching Regulator Power Controller

* All specs and applications shown above subject to change without prior notice.

1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU ,

TAOYUAN, TAIWAN

Email: server@ceramate.com.tw

Tel:886-3-3214525

Http: www.ceramate.com.tw

Fax:886-3-3521052

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Rev 1.0 Mar.31,2003