Datasheet > MC34063A_07

MC34063A_07

更新时间： 2024-11-04 04:59:15

品牌	Logo	应用领域
安森美 - ONSEMI		稳压器开关
页数	文件大小	规格书
13页	160K
描述
1.5 A, Step−Up/Down/ Inverting Switching Regulators

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MC34063A_07 数据手册

MC34063A, MC33063A,

NCV33063A

1.5 A, Step−Up/Down/

Inverting Switching

Regulators

http://onsemi.com

The MC34063A Series is a monolithic control circuit containing the

primary functions required for DC−to−DC converters. These devices

consist of an internal temperature compensated reference, comparator,

controlled duty cycle oscillator with an active current limit circuit,

driver and high current output switch. This series was specifically

designed to be incorporated in Step−Down and Step−Up and

Voltage−Inverting applications with a minimum number of external

components. Refer to Application Notes AN920A/D and AN954/D

for additional design information.

MARKING

DIAGRAMS

SOIC−8

D SUFFIX

CASE 751

3x063

ALYWA

Features

• Operation from 3.0 V to 40 V Input

• Low Standby Current

3x063AP1

AWL

YYWWG

• Current Limiting

• Output Switch Current to 1.5 A

• Output Voltage Adjustable

• Frequency Operation to 100 kHz

• Precision 2% Reference

PDIP−8

P, P1 SUFFIX

CASE 626

33063AVP

AWL

• Pb−Free Packages are Available

YYWWG

Drive

Collector

Switch

Collector

L, WL

Y, YY

= 3 or 4

= Assembly Location

= Wafer Lot

S Q

= Year

100

Sense

W, WW = Work Week

G or G

Switch

Emitter

= Pb−Free Package

Oscillator

PIN CONNECTIONS

Timing

Capacitor

Comparator

1.25 V

Reference

Regulator

−

Switch

Collector

Driver

Collector

Switch

Emitter

Comparator

Inverting

Input

Sense

GND

Timing

Capacitor

(Bottom View)

Comparator

Inverting

Input

GND

This device contains 51 active transistors.

(Top View)

Figure 1. Representative Schematic Diagram

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 11 of this data sheet.

Semiconductor Components Industries, LLC, 2007

Publication Order Number:

February, 2007 − Rev. 19

MC34063A/D

12 3 4 5 6 7...13

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