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34063AM

1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER

BCD Semiconductor 

1.5A STEP-DOWN/STEP-UP/INVERTING DC-DC CONVERTER

Pin Configuration

Data Sheet

AZ34063A

Switch

Collector

Switch

Emitter

Timing

Capacitor

GND

P/M Package

(DIP-8/SOIC-8)

1

8

2

7

3

6

4

5

Driver

Collector

IPK Sense

VCC

Comparator

Inverting Input

Top View

Figure 2. Pin Configuration of AZ34063A

Functional Block Diagram

Driver 8

Collector

IPK Sense 7

VCC

6

Comparator 5

Inverting

Input

B

SQ

A

R

IIpPkK

OSC CT

1.25V

+

Reference

Regulator

-

1 Switch

Collector

2 Switch

Emitter

3 Timing

Capacitor

4 GND

Figure 3. Functional Block Diagram of AZ34063A

Sep. 2006 Rev. 1. 3

BCD Semiconductor Manufacturing Limited

2

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