Datasheet > SC33063A

SC33063A

更新时间： 2024-11-18 06:10:15

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
15页	1180K
描述
1.5 A, Step−Up/Down/ Inverting Switching Regulators

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SC33063A 数据手册

MC34063A, MC33063A,

SC34063A, SC33063A,

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

3x063

ALYWA

SOIC−8

D SUFFIX

CASE 751

3x063V

ALYWA

Features

• 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

• Pb−Free Packages are Available

3x063AP1

AWL

YYWWG

PDIP−8

P, P1 SUFFIX

CASE 626

33063AVP

AWL

YYWWG

Drive

Collector

Switch

Collector

S Q

100

Sense

Switch

Emitter

33063

ALYWA

DFN8

CASE 488AF

Oscillator

Timing

Capacitor

Comparator

1.25 V

Reference

Regulator

= 3 or 4

L, WL

Y, YY

= Assembly Location

= Wafer Lot

= Year

Comparator

Inverting

Input

GND

(Bottom View)

W, WW = Work Week

G or G

= Pb−Free Package

This device contains 79 active transistors.

Figure 1. Representative Schematic Diagram

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 12 of this data sheet.

Publication Order Number:

August, 2010 − Rev. 23

MC34063A/D

12 3 4 5 6 7...15

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