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TPS40077PWPRG4 Fiches technique(PDF) 1 Page - Texas Instruments

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No de pièce TPS40077PWPRG4
Description  HIGH-EFFICIENCY, MIDRANGE-INPUT, SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
Download  43 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS40077PWPRG4 Fiches technique(HTML) 1 Page - Texas Instruments

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FEATURES
CONTENTS
DESCRIPTION
APPLICATIONS
SIMPLIFIED APPLICATION DIAGRAM
S0202-01
5
13
12
16
15
1
2
3
KFF
RT
LVBP
SGND
VDD
HDRV
SW
DBP
4
PGD
11
ILIM
TPS40077PWP
6
SS
7
FB
8
COMP
14
BOOST
LDRV
10
PGND
9
Powergood
VOUT
VDD
VOUT
VDD
TPS40077
SLUS714 – JANUARY 2007
HIGH-EFFICIENCY, MIDRANGE-INPUT, SYNCHRONOUS
BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
• Operation Over 4.5-V to 28-V Input Range
Device Ratings. . . . . . . . . . . . . . . . . . . . . . . .
2
• Programmable, Fixed-Frequency, up to 1-MHz,
Voltage-Mode Controller
Electrical Characteristics. . . . . . . . . . . . . . . . .
4
• Predictive Gate Drive™
Terminal Information. . . . . . . . . . . . . . . . . . . .
11
Anti-Cross-Conduction Circuitry
Application Information. . . . . . . . . . . . . . . . . .
14
• <1% Internal 700-mV Reference
Example Applications. . . . . . . . . . . . . . . . . . .
23
• Internal Gate Drive Outputs for High-Side and
References. . . . . . . . . . . . . . . . . . . . . . . . . . .
38
Synchronous N-Channel MOSFETs
• 16-Pin PowerPAD™ Package
• Thermal Shutdown Protection
The TPS40077 is a midvoltage, wide-input (4.5-V to
• Pre-Bias Compatible
28-V), synchronous, step-down controller, offering
• Power-Stage Shutdown Capability
design flexibility for a variety of user-programmable
• Programmable High-Side Sense Short-Circuit
functions, including soft start, UVLO, operating
Protection
frequency,
voltage
feed-forward,
and
high-side,
FET-sensed, short-circuit protection.
• Power Modules
• Networking/Telecom
• PCI Express
• Industrial
• Servers
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.
Predictive Gate Drive, PowerPAD are trademarks of Texas Instruments.
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2007, 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.


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