TPS61175-Q1_16 Datasheet, PDF (1/30 Pages) Texas Instruments – TPS61175-Q1 3-A High Voltage Boost Converter with Soft-start and Programmable Switching Frequency

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TPS61175-Q1
SLVSCN9A – DECEMBER 2014 – REVISED APRIL 2016
TPS61175-Q1 3-A High Voltage Boost Converter with Soft-start and Programmable
Switching Frequency
1 Features
•1 AEC-Q100 Qualified with the Following Results:
– Device Temperature Grade 1: -40°C to 125°C
Junction Operating Temperature Range
• 2.9-V to 18-V Input Voltage Range
• 3A, 40V Internal Switch
• High Efficiency Power Conversion: Up to 93%
• Frequency Set by External Resistor: 200-kHz to
2.2-MHz
• Synchronous External Switching Frequency
• User Defined Soft Start into Full Load
• Skip-Switching Cycle for Output Regulation at
Light Load
• 14-pin HTSSOP Package with PowerPAD™
2 Applications
• 5V to 12V, 24V power conversion
• Supports SEPIC, Flyback topology
• ADSL Modems
• TV Tuner
3 Description
The TPS61175-Q1 is a monolithic switching regulator
with integrated 3-A, 40-V power switch. It can be
configured in several standard switching-regulator
topologies, including boost, SEPIC and flyback. The
device has a wide input voltage range to support
application with input voltage from multi-cell batteries
or regulated 5-V, 12-V power rails.
The TPS61175-Q1 regulates the output voltage with
current mode PWM (pulse width modulation) control.
The switching frequency of PWM is either set by an
external resistor or an external clock signal. The user
can program the switching frequency from 200-kHz to
2.2-MHz.
The device features a programmable soft-start
function to limit inrush current during start-up, and
has built-in other protection features, such as pulse-
by-pulse over current limit and thermal shutdown. The
TPS61175-Q1 is available in 14-pin HTSSOP
package with PowerPAD.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS61175-Q1
HTSSOP (14)
5.00mm x 4.40mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
4 Simplified Schematic
V_IN
L1
D1
V_OUT
C1
R4
C3 R3
C4
TPS61175
VIN
SW
EN
SW
FREQ FB
SS PGND
COMP PGND
Syn PGND
AGND NC
C2
R1
R2
Copyright © 2016, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.