TS34063A

1-8

2005/02 rev. A

TS34063AA

Dc to Dc Converter Controller

Supply Voltage Range 3 V to 40V

Output Driving Current 1.5A

Oscillator Frequency up to 100KHz

General Description

The TS34063A is a monolithic switching regulator and subsystem intended for use as DC to DC converter. It contains an

internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active peak current limit

circuit, drive and a high current output switch.

The TS34063A is specifically designed to be incorporated in step-up, step-down and voltage inverting converter

applications.

The TS34063A is offered in SOP-8 and DIP-8 package.

Features

Power forward control circuit

Operating voltage form 3V to 40V

Low standby current

Current limit adjustable

Output switch current up to 1.5A

Variable oscillator frequency up to 100KHz (max)

Output voltage adjustable

Pin Descriptions

Name

Description

SC

Switch Collector

SE

Switch Emitter

CT

Timing Capacitor

Gnd

Ground

Comp.

Comparator Inverting Input

Vcc

Vcc Collector

Ipk

Ipk Sense

Vdriver

Driver

Applications

Charger

xD-ROM, xDSL product

DC to DC converter s

Ordering Information

Part No.

Operating Temp.

(Ambient)

Package

TS34063ACD

DIP-8

TS34063ACS

-20 ~ +85

SOP-8

Block Diagram

Pin assignment:

1. SC

2. SE

3. CT

4. Gnd

5. Comp.

6. Vcc

7. Ipk

8. Vdriver