參數(shù)資料
型號： TPS61097-18DBVT
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 0.475 A BATTERY CHARGE CONTROLLER, PDSO5
封裝： 2.80 X 2.90 MM, PLASTIC, SOT-23, 5 PIN
文件頁數(shù)： 1/26頁
文件大?。?/td> 0K
代理商： TPS61097-18DBVT
TPS61097-33
V
0.9 V to 3.3V
IN
VOUT
EN
L
GND
VIN
L1
C1
C2
V
+3.3V
OUT
TPS61097
www.ti.com
SLVS872B – JUNE 2009 – REVISED DECEMBER 2009
LOW INPUT VOLTAGE SYNCHRONOUS BOOST CONVERTER
WITH LOW QUIESCENT CURRENT
1
FEATURES
Up to 95% Efficiency at Typical Operating
Small 2.8-mm x 2.9-mm 5-Pin SOT-23 Package
Conditions
(6-Pin for Adjustable)
Connection from Battery to Load via Bypass
APPLICATIONS
Switch in Shutdown Mode
MSP430 Applications
Typical Shutdown Current Less Than 5 nA
All Single-Cell, Two-Cell, and Three-Cell
Typical Quiescent Current Less Than 5
μA
Alkaline, NiCd, NiMH, or Single-Cell Li-Battery
Operating Input Voltage Range
Powered Products
From 0.9 V to 5.5 V
Personal Medical Products
Fixed Output Voltage Options
Fuel Cell and Solar Cell Powered Products
From 1.8 V to 5.0 V
PDAs
Power-Save Mode for Improved Efficiency at
Mobile Applications
Low Output Power
White LEDs
Overtemperature Protection
DESCRIPTION
The TPS61097 provide a power supply solution for products powered by either a single-cell, two-cell, or
three-cell alkaline, NiCd, or NiMH, or one-cell Li-Ion or Li-polymer battery. They can also be used in fuel cell or
solar cell powered devices where the capability of handling low input voltages is essential. Possible output
currents depend on the input-to-output voltage ratio. The devices provides output currents up to 100 mA at a
3.3-V output while using a single-cell Li-Ion or Li-Polymer battery. The boost converter is based on a
current-mode controller using synchronous rectification to obtain maximum efficiency. The maximum average
input current is limited to a value of 350 mA. The output voltage can be programmed by an external resistor
divider, or it is fixed internally on the chip. The converter can be disabled to minimize battery drain. During
shutdown, the battery is connected to the load to enable battery backup of critical functions on the load. The
fixed output device is packaged in a 5-pin SOT-23 package (DBV) measuring 2.8 mm × 2.9 mm. The adjustable
output version (TPS61097-01) is packaged in a 6-pin SOT-23 (DBV).
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.
UNLESS
OTHERWISE
NOTED
this
document
contains
Copyright 2009, Texas Instruments Incorporated
PRODUCTION DATA information current as of publication date.
Products conform to specifications per the terms of Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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