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TL1451

DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

Unisonic Technologies 

UNISONIC TECHNOLOGIES CO., LTD

TL1451

LINEAR INTEGRATED CIRCUIT

DUAL

PULSE-WIDTH-MODULATION

CONTROL CIRCUITS

SOP-16

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 UTC 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.

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

DIP-16

TSSOP-16

*Pb-free plating product number: TL1451L

ORDERING INFORMATION

Order Number

Normal

Lead free plating

TL1451-S16-R

TL1451L-S16-R

TL1451-S16-T

TL1451L-S16-T

TL1451-P16-R

TL1451L-P16-R

TL1451-P16-T

TL1451L-P16-T

TL1451-D16-T

TL1451L-D16-T

Package Packing

SOP-16

SOP-16

TSSOP-16

TSSOP-16

DIP-16

Tape Reel

Tube

Tape Reel

Tube

Tube

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Copyright © 2005 Unisonic Technologies Co., LTD

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