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TPS40131RHBTG4 Datasheet(PDF) 1 Page - Texas Instruments

No. de pieza TPS40131RHBTG4
Descripción Electrónicos  TWO-PHASE, SYNCHRONOUS BUCK CONTROLLER WITH INTEGRATED MOSFET DRIVERS
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Fabricante Electrónico  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS40131RHBTG4 Datasheet(HTML) 1 Page - Texas Instruments

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FEATURES
RHB PACKAGE
(TOP VIEW)
32 31 30
29 28 27 26 25
24
23
22
21
20
19
18
17
9 10 11 12 13
15 16
BOOT1
OVSET
VOUT
GSNS
DIFFO
CS1
CSRT1
COMP
BOOT2
SS
UVLO
BP5
AGND
CS2
CSRT2
RT
14
1
2
3
4
5
6
7
8
DESCRIPTION
APPLICATIONS
TPS40131
SLVS635 – FEBRUARY 2007
TWO-PHASE, SYNCHRONOUS BUCK CONTROLLER
WITH INTEGRATED MOSFET DRIVERS
• Supports 5-V Output
• Two-Phase Interleaved Operation
• Operates With Pre-Biased Outputs
• 1-V to 40-V Power Stage Operation Range
• Requires VIN5 @ 50 mA (typ) Depending on
External MOSFETs and Switching
Frequency
• 10-µA Shutdown Current
• Programmable Switching Frequency up to 1
MHz/Phase
• Current Mode Control with Forced Current
Sharing
• Better than 1% Internal 0.7-V Reference
• Resistive Divider Sets Direct Output Over
Voltage Threshold.
• Programmable Input Undervoltage Lockout
• True Remote Sensing Differential Amplifier
• Resistive or Inductor’s DCR Current Sensing
• 32-Pin QFN Package
• Can Be Used with TPS40120 to Provide a 6-Bit
The TPS40131 is a two-phase synchronous buck
Digitally Controlled Output
controller that is optimized for low-output voltage,
high-output current applications powered from a
supply between 1 V and 40 V. A multi-phase
converter offers several advantages over a single
• Point-of-Load Converter
power stage including lower current ripple on the
• Graphic Cards
input and output capacitors, faster transient response
• Internet Servers
to load steps, improved power handling capabilities,
and higher system efficiency.
• Networking Equipment
• Telecommunications Equipment
Each
phase
can
be
operated
at
a
switching
• DC Power Distributed Systems
frequency up to 1 MHz, resulting in an effective
ripple frequency of up to 2 MHz at the input and the
output. The two phases operates 180 degrees
out-of-phase.
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.
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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