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TL1451-P16-R Datasheet(PDF) 1 Page - Unisonic Technologies |
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TL1451-P16-R Datasheet(HTML) 1 Page - Unisonic Technologies |
1 / 14 page UNISONIC TECHNOLOGIES CO., LTD TL1451 LINEAR INTEGRATED CIRCUIT www.unisonic.com.tw 1 of 14 Copyright © 2005 Unisonic Technologies Co., LTD QW-R103-011,C 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. 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 SOP-16 TSSOP-16 *Pb-free plating product number: TL1451L ORDERING INFORMATION Order Number Normal Lead free plating Package Packing TL1451-S16-R TL1451L-S16-R SOP-16 Tape Reel TL1451-S16-T TL1451L-S16-T SOP-16 Tube TL1451-P16-R TL1451L-P16-R TSSOP-16 Tape Reel TL1451-P16-T TL1451L-P16-T TSSOP-16 Tube TL1451-D16-T TL1451L-D16-T DIP-16 Tube |
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