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TPS61175PWP Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS61175PWP
Description  3-A High Voltage Boost Converter with Soft-start and Programmable Switching Frequency
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS61175PWP Datasheet(HTML) 1 Page - Texas Instruments

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1
FEATURES
DESCRIPTION
APPLICATIONS
TYPICAL APPLICATION FOR BOOST CONVERTER
R3
D1
C1
R1
VOUT
R2
VIN
C4
C3
C2
L1
R4
TPS61175
VIN
EN
PGND
AGND
Syn
FREQ
COMP
SS
NC
FB
PGND
PGND
SW
SW
TPS61175
www.ti.com ........................................................................................................................................................................................... SLVS892 – DECEMBER 2008
3-A High Voltage Boost Converter with Soft-start and Programmable Switching Frequency
• 2.9-V to 18-V Input Voltage Range
• 3A, 40V Internal Switch
The TPS61175 is a monolithic switching regulator
with integrated 3-A, 40-V power switch. It can be
• High Efficiency Power Conversion: Up to 93%
configured in several standard switching-regulator
• Frequency Set by External Resistor: 200-kHz
topologies, including boost, SEPIC and flyback. The
to 2.2-MHz
device has a wide input voltage range to support
• Synchronous External Switching Frequency
application with input voltage from multi-cell batteries
or regulated 5-V, 12-V power rails.
• User Defined Soft Start into Full Load
The TPS61175 regulates the output voltage with
• Skip-Switching Cycle for Output Regulation at
current mode PWM (pulse width modulation) control.
Light Load
The switching frequency of PWM is either set by an
• 14-pin HTSSOP Package with PowerPad
external resistor or an external clock signal. The user
can program the switching frequency from 200-kHz to
2.2-MHz.
• 5V to 12V, 24V power conversion
The
device
features
a
programmable
soft-start
• Supports SEPIC, Flyback topology
function to limit inrush current during start-up, and
• ADSL Modems
has
built-in
other
protection
features,
such
as
• TV Tuner
pulse-by-pulse
over
current
limit
and
thermal
shutdown. The TPS61175 is available in 14-pin
HTSSOP package with Powerpad.
Figure 1. Typical Application
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2008, 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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