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TPS40071 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS40071 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 30 page 1 FEATURES DESCRIPTION APPLICATIONS SIMPLIFIED APPLICATION DIAGRAM VDG−03170 5 13 12 16 15 1 2 3 KFF RT LVBP SGND VDD HDRV SW DBP 4 PGD 11 ILIM TPS40070PWP 6 SS 7 FB 8 COMP 14 BOOST LDRV 10 PGND 9 Powergood VOUT VDD VOUT VDD TPS40070 TPS40071 www.ti.com .................................................................................................................................................. SLUS582J – DECEMBER 2003 – REVISED APRIL 2009 HIGH-EFFICIENCY MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD 2 • Operation Over 4.5-V to 28-V Input Range • Programmable Fixed-Frequency up to 1-MHz The TPS4007x is a mid voltage, wide input (4.5 V to 28 V), synchronous, step-down converter. Voltage-Mode Controller • Predictive Gate Drive™ With Anti-Cross The TPS4007x offers design flexibility with a variety Conduction Circuitry of user programmable functions, including; soft-start, UVLO, operating frequency, voltage feed-forward and • <1% Internal 700-mV Reference high-side FET sensed short circuit protection. • Internal Gate Drive Outputs for High-Side and The TPS4007x incorporates MOSFET gate drivers for Synchronous N-Channel MOSFETs external N-channel high-side and synchronous • 16-Pin PowerPAD™ Package rectifier (SR) MOSFETs. Gate drive logic incorporates • Thermal Shutdown Protection predictive anti-cross conduction circuitry to prevent simultaneous high-side and synchronous rectifier • TPS40070: Source Only conduction, while minimizing to eliminating current • TPS40071: Source/Sink flow in the body diode of the SR FET. The TPS40071 • Programmable High-Side Sense Short Circuit allows the supply output to sink current at all times. Protection The TPS40070 implements a source-only power supply. • Power Modules • Networking/Telecom • PCI Express • Industrial • Servers 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. 2 Predictive Gate Drive, PowerPAD are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2003–2009, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Numéro de pièce similaire - TPS40071 |
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Description similaire - TPS40071 |
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