器件名称:
TL1451L-P16-T
功能描述:
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
文件大小:
254.25KB 共14页
简 介:
UNISONIC TECHNOLOGIES CO., LTD TL1451 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 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. LINEAR INTEGRATED CIRCUIT SOP-16 DIP-16 TSSOP-16 *Pb-free plating product number: TL1451L 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 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 SOP-16 SOP-16 TSSOP-16 TSSOP-16 DIP-16 Packing Tape Reel Tube Tape Reel Tube Tube www.unisonic.com.tw Copyright 2005 Unisonic Technologies Co., LTD 1 of 14 QW-R103-011,C TL1451 PIN CONFIGURATION CT RT ERROR AMPLIFIER 1 1 IN+ 1 IN- LINEAR INTEGRATED CIRCUIT 1 2 3 4 5 6 7 8 16 15 REF SCP ERROR AMPLIFIER 2 14 2 IN+ 13 2 IN12 11 10 9 1 FEEDBACK 1 DTC 1……
