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參數(shù)資料
| 型號(hào)： | TPS61261DRVT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.1 A SWITCHING CONTROLLER, 2500 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 2 X 2 MM, SON-6 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大小： | 833K |
| 代理商： | TPS61261DRVT |
L
C
1
10 F
L
1
4.7 H
VIN
VOUT
FB
C
2
10F
EN
GND
TPS61260
VOUT
0.8 V to 4.0 V
VIN
R
1
R
2
RI
R
3
TPS61260, TPS61261
SLVSA99
– MAY 2011
TINY LOW INPUT VOLTAGE BOOST CONVERTER
1
FEATURES
Load Disconnect During Shutdown
Undervoltage Lockout
2
Up to 95% Efficiency
Available in a 2
× 2 mm, 6-pin SON Package
More than 50 mA Output Current at 3.3 V (VIN
> 0.9 V)
APPLICATIONS
Input Voltage Range from 0.8 V to 4.0 V
All single or dual cell Alkaline, NiCd or NiMH
Fixed and Adjustable Output Voltage Options
Battery Powered Products
from 1.8 V to 4.0 V
High Output Impedance Battery (Coin Cells)
Programmable Average Output Current from
Powered Products
10 mA to 100 mA
Personal Medical Products
Up to 700 mA Switch Current Rating
High Power LED's
Power Save Mode for Improved Efficiency at
Low Output Power
Wireless Pointing Devices
Low Quiescent Current
Wireless Headsets
Dynamic Switch Current Limit
Industrial Metering Equipment
Advanced Softstart
Quasi Fixed Frequency Operation at 2.5 MHz
Output Overvoltage Protection
DESCRIPTION
The TPS6126x devices provide a power supply solution for products powered by either single or dual cell
alkaline, NiCd or NiMH battery. Its unique advanced softstart makes it also suitable for products powered by high
output impedance battery types, like coin cells. Output currents can go as high as 100 mA while using a single
cell alkaline battery, and discharge it down to 0.8 V or lower. The boost converter is based on a quasi fixed
frequency, pulse-width-modulation (PWM) controller using synchronous rectification to obtain maximum
efficiency. At low load currents, the converter enters Power Save Mode to ensure high efficiency over a wide
load current range. The maximum average current in the switches is limited to a programmable value which can
go as high as 700 mA. The output voltage is programmable using an external resistor divider, or is fixed
internally on the chip. In addition to that the average output current can be programmed as well. The converter
will then regulate the programmed output voltage or the programmed output current which ever demands lower
output power. The converter can be disabled to minimize battery drain. During shutdown, the load is
disconnected from the battery. The device is packaged in a 6-pin SON PowerPAD
package measuring 2 × 2
mm (DRV).
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
2011, 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS61261EVM-208 | 功能描述:EVAL MODULE FOR TPS61261 制造商:texas instruments 系列:- 零件狀態(tài):在售 電流 - 輸出/通道:- 輸出和類型:- 電壓 - 輸出:- 特性:可調(diào)光 電壓 - 輸入:0.8 V ~ 3 V 所含物品:板 使用的 IC/零件:TPS61261 標(biāo)準(zhǔn)包裝:1 |
| TPS61280AYFFR | 功能描述:Boost Switching Regulator IC Positive Programmable 3.15V, 3.35V 1 Output 2.475A (Switch) 16-UFBGA, DSBGA 制造商:texas instruments 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 功能:升壓 輸出配置:正 拓?fù)?升壓 輸出類型:可編程 輸出數(shù):1 電壓 - 輸入（最小值）:2.3V 電壓 - 輸入（最大值）:4.85V 電壓 - 輸出（最小值/固定）:3.15V，3.35V 電壓 - 輸出（最大值）:- 電流 - 輸出:2.475A（開關(guān)） 頻率 - 開關(guān):2.3MHz 同步整流器:是 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:16-UFBGA，DSBGA 供應(yīng)商器件封裝:16-DSBGA 標(biāo)準(zhǔn)包裝:1 |
| TPS61280EVM-585 | 制造商:Texas Instruments 功能描述:TPS61280EVM-585 - Boxed Product (Development Kits) |
| TPS61280YFFT | 功能描述:Boost Switching Regulator IC Positive Programmable 3.15V, 3.35V 1 Output 2.475A (Switch) 16-UFBGA, DSBGA 制造商:texas instruments 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 功能:升壓 輸出配置:正 拓?fù)?升壓 輸出類型:可編程 輸出數(shù):1 電壓 - 輸入（最小值）:2.3V 電壓 - 輸入（最大值）:4.85V 電壓 - 輸出（最小值/固定）:3.15V，3.35V 電壓 - 輸出（最大值）:- 電流 - 輸出:2.475A（開關(guān)） 頻率 - 開關(guān):2.3MHz 同步整流器:是 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:16-UFBGA，DSBGA 供應(yīng)商器件封裝:16-DSBGA（1.56x1.56） 標(biāo)準(zhǔn)包裝:1 |
| TPS61281AYFFR | 功能描述:Boost Switching Regulator IC Positive Programmable 3.15V, 3.35V 1 Output 2.475A (Switch) 16-UFBGA, DSBGA 制造商:texas instruments 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 功能:升壓 輸出配置:正 拓?fù)?升壓 輸出類型:可編程 輸出數(shù):1 電壓 - 輸入（最小值）:2.3V 電壓 - 輸入（最大值）:4.85V 電壓 - 輸出（最小值/固定）:3.15V，3.35V 電壓 - 輸出（最大值）:- 電流 - 輸出:2.475A（開關(guān)） 頻率 - 開關(guān):2.3MHz 同步整流器:是 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:16-UFBGA，DSBGA 供應(yīng)商器件封裝:16-DSBGA 標(biāo)準(zhǔn)包裝:1 |
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