Datasheet > UTCTL1451

UTCTL1451

更新时间： 2024-09-17 22:20:03

品牌	Logo	应用领域
友顺 - UTC		/
页数	文件大小	规格书
5页	130K
描述
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

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数据手册

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UTCTL1451 数据手册

UTC TL1451

LINEAR INTEGRATED CIRCUIT

DUAL PULSE-WIDTH-MODULATION

CONTROL CIRCUITS

DESCRIPTION

The UTC TL1451 incorporates on a single monolithic chip

all the functions required in the construction of two pulse-

width-modulation (PWM) control circuits. Designed primarily

for power supply control, the TL1451 contains an on-chip 2.5V

regulator, two error amplifiers, an adjustable oscillator, two

dead-time comparators, undervoltage lockout circuitry, and

dual common –emitter output transistor circuits.

SOP-16

DIP-16

FEATURES

*Complete PWM Power control Circuitry

*Completely Synchronized Operation

*Internal Undervoltage Lockout Protection

*Wide Supply Voltage Range

*Internal Short-Circuit Protection

*Oscillator Frequency …500kHz Max

*Variable Dead Time Provides Control Over Total Range

*Internal Regulator Provides a Stable 2.5V Reference Supply

PIN CONFIGURATIONS

REF

SCP

ERROR

AMPLIFIER

1 IN+

1 IN-

14 2 IN+

ERROR

AMPLIFIER

2 IN-

1 FEEDBACK

2 FEEDBACK

2 DTC

1 DTC

1 OUT

GND

2 OUT

Vcc

UTC UNISONIC TECHNOLOGIES CO., LTD.

QW-R103-011,A

12 3 4 5

中文翻译

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