UTCMC34063 datasheet(1/6 Pages) UTC

Part #	UTCMC34063

Description	DC TO DC CONVERTER CONTROLLER

PDF	6 Pages

Scroll/Zoom	100%

Manufacturer	UTC [Unisonic Technologies]

Direct Link	http://www.utc-ic.com

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UTCMC34063

LINEAR INTEGRATED CIRCUIT

UTC UNISONIC TECHNOLOGIES CO., LTD.

1

QW-R103-001,A

DC TO DC CONVERTER

CONTROLLER

DESCRIPTION

The UTC MC34063 is a monolithic regulator

subsystem, intended for use as DC to DC converter.

This device contains a temperature compensated band

gap reference, a duty-cycle control oscillator, driver

and high current output switch. It can be used for step

down, step-up or inverting switching regulators as well

as for series pass regulators.

FEATURES

*Operation from 3.0V to 40V.

*Short circuit current limiting.

*Low standby current.

*Output switch current of 1.5A without external

transistors.

*Frequency of operation from 100Hz to 100kHz.

*Step-up, step-down or inverting switch regulators.

DIP-8

SOP-8

PIN CONFIGURATION

Switch

Collector

Switch

Emitter

Timing

Capacitor

Gnd

Driver

Collector

Lpk Sense

Vcc

Comparator

Inverting input

1

2

3

4

8

7

5

6

BLOCK DIAGRAM

8

7

5

4

2

1

3

6

Q

S

R

C

E

T1

T2

A

Is

D

B

CT

Vcc

GND

TIMING

CAPACITOR

SWITCH

EMITTER

SWITCH

COLLECTOR

1.25Vref

COMP.

OSCILLATOR

COMPARATOR

INVERTING INPUT

Ipeak

SENSE

DRIVE

COLLECTOR

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UTCMC34063 Datasheet(PDF) 1 Page - Unisonic Technologies

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