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UC3714DG4 Folha de dados(PDF) 1 Page - Texas Instruments |
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UC3714DG4 Folha de dados(HTML) 1 Page - Texas Instruments |
1 / 16 page 6 5 7 8 INPUT T1 T2 ENBL S Q R TIMER VREF S Q R TIMER VREF 50ns ±500ns 50ns ±500ns 5V ENBL VCC 3V GND BIAS 1.4V ENABLE UC1714 ONLY 4 AUX 2 PWR 1 VCC LOGIC GATES TIMER REF 3 GND UC1714, UC1715, UC2714 UC2715, UC3714, UC3715 www.ti.com SLUS170B – FEBRUARY 1999 – REVISED MAY 2013 Complementary Switch FET Drivers Check for Samples: UC1714, UC1715, UC2714, UC2715, UC3714, UC3715 1 FEATURES DESCRIPTION These two families of high speed drivers are • Single Input (PWM and TTL Compatible) designed to provide drive waveforms for • High-Current Power FET Driver, 1-A Source complementary switches. Complementary switch and 2-A Sink configurations are commonly used in synchronous • Auxiliary Output FET Driver, 0.5-A Source and rectification circuits and active clamp/reset circuits, which provide zero voltage switching. In order to 1-A Sink facilitate the soft switching transitions, independently • Time Delays Between Power and Auxiliary programmable delays between the two output Outputs Independently Programmable from 50 waveforms are provided on these drivers. The delay to 500-ns pins also have true-zero voltage-sensing capability • Time Delay or True Zero-Voltage Operation which allows immediate activation of the Independently Configurable for Each Output corresponding switch when zero voltage is applied. These devices require a PWM-type input to operate • Switching Frequency to 1 MHz and interface with commonly available PWM • Typical 50-ns Propagation Delays controllers. • ENBL Pin Activates 220- μA Sleep Mode In the UC1714 series, the AUX output is inverted to • Power Output is Active-Low in Sleep Mode allow driving a p-channel MOSFET. In the UC1715 • Synchronous Rectifier Driver series, the two outputs are configured in a true complementary fashion. BLOCK DIAGRAM Pin numbers refer to J, N and D packages. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. UNLESS OTHERWISE NOTED this document contains Copyright © 1999–2013, Texas Instruments Incorporated PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Nº de peça semelhante - UC3714DG4 |
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Descrição semelhante - UC3714DG4 |
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