SG3524P013TR 查看數據表（PDF） - STMicroelectronics

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SG3524P013TR

REGULATING PULSE WIDTH MODULATORS

STMicroelectronics 

®

SG3524

REGULATING PULSE WIDTH MODULATORS

COMPLETE PWM POWER CONTROL CIR-

CUITRY

UNCOMMITTED OUTPUTS FOR SINGLE-

ENDED OR PUSH PULL APPLICATIONS

LOW STANDBY CURRENT 8mA TYPICAL

OPERATION UP TO 300KHz

1% MAXIMUM TEMPERATURE VARIATION

OF REFERENCE VOLTAGE

DESCRIPTION

The SG3524 incorporates on a single monolithic

chip all the function required for the construction

of regulating power suppies inverters or switching

regulators. They can also be used as the control

element for high power-output applications. The

SG3524 family was designed for switching regu-

lators of either polarity, transformer-coupled dc-

to-dc converters, transformerless voltage dou-

blers and polarity converter applications

employing fixed-frequency, pulse-width modula-

tion techniques. The dual alternating outputs al-

lows either single-ended or push-pull applications.

BLOCK DIAGRAM

DIP16

SO16

ORDERING NUMBERS: SG3524N (DIP16)

SG3524P (SO16)

Each device includes an on-ship reference, error

amplifier, programmable oscillator, pulse-steering

flip flop, two uncommitted output transistors, a

high-gain comparator, and current-limiting and

shut-down circuitry.

July 2000

1/9

This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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