Datasheet

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1
FEATURES APPLICATIONS
DESCRIPTION
OFF
ON
OFF
ON
OFF
ON
VBAT
LBI
SKIPEN
EN
LDOEN
SWN
VOUT
FB
PGOOD
LBO
LDOIN
LDOOUT
LDOSENSE
GND PGND
Control
Inputs
Control
Outputs
V
Out1
V
Out2
TPS61130
SWP
22 mH
22 mH
100 mF
e.g. 3.3 V
up to 300 mA
2.2 mF
e.g. 1.5 V
up to 300 mA
10 mF
1.8 V up to 6 V
Input
10 mF
TPS61130
TPS61131
TPS61132
SLVS431B JUNE 2002 REVISED JANUARY 2008
www.ti.com
SYNCHRONOUS SEPIC / FLYBACK CONVERTER WITH 1.1A SWITCH
AND INTEGRATED LDO
All Single Cell Li, Dual or Triple Cell Battery or
2
Synchronous, Up To 90% Efficient, SEPIC
USB Powered Products as MP-3 Player, PDAs,
Converter With 300-mA Output Current From
and Other Portable Equipment
2.5-V Input
Dual Input or Dual Output Mode
Integrated 200-mA Reverse Voltage Protected
High Efficient Li-Ion to 3.3-V Conversion
LDO for DC/DC Output Voltage Post
Regulation or Second Output Voltage
40- µ A (Typical) Quiescent Current
The TPS6113x devices provide a complete power
Input Voltage Range: 1.8-V to 5.5-V
supply solution for products powered by either a
Fixed and Adjustable Output Voltage Options
one-cell Li-Ion or Li-Polymer, or two- to four-cell
up to 5.5-V
Alkaline, NiCd, or NiMH batteries. The devices can
Power Save Mode for Improved Efficiency at
generate two regulated output voltages. It provides a
simple and efficient buck-boost solution for
Low Output Power
generating 3.3 V out of an input voltage that can be
Low Battery Comparator
both higher and lower than the output voltage. The
Power Good Output
converter provides a maximum output current of at
Low EMI-Converter (Integrated Antiringing
least 300 mA with supply voltages down to 1.8 V. The
implemented SEPIC converter is based on a fixed
Switch)
frequency, pulse-width-modulation (PWM) controller
Load Disconnect During Shutdown
using a synchronous rectifier to obtain maximum
Overtemperature Protection
efficiency. The maximum peak current in the SEPIC
Available in a Small 4mm x 4mm QFN-16 or in
switch is limited to a value of 1600 mA.
a TSSOP-16 Package
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 PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2002 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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