MC34063AP View Datasheet(PDF) - Fairchild Semiconductor

Part Name

Description

MFG CO.

MC34063AP

SMPS Controller

Fairchild Semiconductor 

Block Diagram

DRI VE

SWITCH

COLLECTOR COLLECTOR

81

1.25V

REF

VTG

COMP

5

COMPARATOR

I NV ERTING

I NP UT

S

Q

4

GND IP K SENSE 7

TIMIN G

3

C APA CITOR

* VCC(6)

OSCILLATOR

R

Figure 1. Block Diagram

Q2

Q1

RD

2

© 2001 Fairchild Semiconductor Corporation

MC34063A/MC33063A • Rev. 1.0.3

2

www.fairchildsemi.com

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