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MC34063AM

更新时间： 2024-02-12 08:41:32

品牌	Logo	应用领域
安森美 - ONSEMI		转换器
页数	文件大小	规格书
16页	153K
描述
DC-to-DC Converter Control Circuits

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数据手册

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MC34063AM 数据手册

MC34063A, MC33063A

DC-to-DC Converter

Control Circuits

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.

http://onsemi.com

PDIP–8

P, P1 SUFFIX

CASE 626

• Operation from 3.0 V to 40 V Input

• Low Standby Current

• Current Limiting

• Output Switch Current to 1.5 A

• Output Voltage Adjustable

• Frequency Operation to 100 kHz

• Precision 2% Reference

SO–8

D SUFFIX

CASE 751

SOEIAJ–8

M SUFFIX

CASE 968

PIN CONNECTIONS

Switch

Collector

Driver

Collector

Switch

Emitter

Sense

Representative Schematic Diagram

Timing

Capacitor

Comparator

Inverting

Input

Gnd

Drive

Collector

Switch

Collector

S Q

(Top View)

100

Sense

Switch

Emitter

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 11 of this data sheet.

Oscillator

Timing

Capacitor

Comparator

DEVICE MARKING INFORMATION

See general marking information in the device marking

section on page 11 of this data sheet.

1.25 V

Reference

Regulator

Comparator

Inverting

Input

Gnd

(Bottom View)

This device contains 51 active transistors.

Semiconductor Components Industries, LLC, 2000

Publication Order Number:

August, 2000 – Rev. 6

MC34063A/D

12 3 4 5 6 7...16

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