Datasheet > CA1524

CA1524

更新时间： 2024-09-18 22:28:19

品牌	Logo	应用领域
英特矽尔 - INTERSIL		脉冲
页数	文件大小	规格书
16页	209K
描述
Regulating Pulse Width Modulator

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数据手册

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CA1524 数据手册

CA1524, CA2524

CA3524

Regulating Pulse Width Modulator

October 2000

Features

Description

• Complete PWM Power Control Circuitry

The CA1524 and CA3524 are silicon monolithic integrated

circuits designed to provide all the control circuitry for use in

a broad range of switching regulator circuits.

• Separate Outputs for Single-Ended or Push-Pull

Operation

The CA1524 and CA3524 have all the features of the indus-

try types SG1524, SG2524, and SG3524, respectively. A

block diagram of the CA1524 series is shown in Figure 1.

The circuit includes a zener voltage reference, transconduc-

tance error ampliﬁer, precision R-C oscillator, pulse-width

modulator, pulse-steering ﬂip-ﬂop, dual alternating output

switches, and current-limiting and shutdown circuitry. This

device can be used for switching regulators of either polarity,

transformer-coupled dc-dc converter, transformerless volt-

age doublers, dc-ac power inverters, highly efﬁcient variable

power supplies, and polarity converter, as well as other

power-control applications.

• Line and Load Regulation. . . . . . . . . . . . . . . 0.2%(Typ)

• Internal Reference Supply with 1% (Max) Oscillator

and Reference Voltage Variation Over Full

Temperature Range

• Standby Current of Less Than 10mA

• Frequency of Operation Beyond 100kHz

• Variable-Output Dead Time of 0.5µs to 5µs

• Low V_CE(sat)Over the Temperature Range

Applications

Ordering Information

• Positive and Negative Regulated Supplies

• Dual-Output Regulators

PART

TEMPERATURE

RANGE

NUMBER

PACKAGE

• Flyback Converters

CA1524E

-55 C to +125 C 16 Lead Plastic DIP

• DC-DC Transformer-Coupled Regulating Converters

• Single-Ended DC-DC Converters

• Variable Power Supplies

CA1524F

CA2524E

CA2524F

CA3524E

CA3524F

-55 C to +125 C 16 Lead CerDIP

0 C to +70 C

16 Lead Plastic DIP

16 Lead CerDIP

0 C to +70 C

16 Lead Plastic DIP

16 Lead CerDIP

0 C to +70 C

Pinout

CA1524, CA3524

(PDIP, CERDIP)

TOP VIEW

V_REF

V+

INV. INPUT

NON-

INV. INPUT

OSC OUT

EMITTER B

(+) C.L.

SENSE

(-) C.L.

SENSE

13 COLLECTOR B

COLLECTOR A

EMITTER A

R_T

SHUTDOWN

C_T

COMPENSATION

AND COMPARATOR

GND

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

File Number 1239.4

12 3 4 5 6 7...16

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