Datasheet > CA1523_00

CA1523_00

更新时间： 2024-09-19 03:24:39

品牌	Logo	应用领域
英特矽尔 - INTERSIL		稳压器调节器开关
页数	文件大小	规格书
6页	176K
描述
Voltage Regulator Control Circuit for Variable Switching Regulator

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CA1523_00 数据手册

CA1523

Voltage Regulator Control Circuit

for Variable Switching Regulator

November 2000

Features

Description

• Operates up to 200kHz

• Pins ESD Protected

• Remote ON/OFF

The CA1523 monolithic silicon integrated circuit is a variable

interval pulse regulator designed to provide the control cir-

cuitry for use in switching regulator circuits. It operates from

11V to 15V.

The regulator provides a single output drive capable of

300mA source/200mA sink. The maximum operating fre-

quency is better than 200kHz. An attractive feature of the

CA1523 is that the timing capacitor charge and discharge

current is set up externally via a single resistor. The ratio of

charge to discharge current is internally set at a maximum of

2 to 1 allowing simultaneous change in output pulse width

with increased frequency at higher load. The pulse width

variation at higher frequencies effectively compensates for

the losses in magnetics and thereby increases the power

supply efficiency at higher load end by as much as 20

percent.

• Slow Start with Reset

• Overcurrent Sensing

• Lower Peak Currents than PWM Regulator

- Less Prone to Magnetic Saturation

Part Number Information

PART

NUMBER

TEMPERATURE

RANGE

PACKAGE

CA1523E

0^oC to +70^oC

14 Lead Plastic DIP

Pinout

CA1523 (PDIP)

TOP VIEW

ERROR

CURRENT SENSE

GND

TIMING

ZENER

ON/OFF

RISE TIME

OUTPUT GND

OUTPUT

OVER CURRENT

SLOW START

LOGIC OUTPUT

V_CC

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

File Number 1785.3

1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

12 3 4 5 6

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