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參數資料
| 型號： | TPS61070DDC |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
| 中文描述： | 90％高效同步升壓轉換器和600毫安開關 |
| 文件頁數： | 1/21頁 |
| 文件大小： | 633K |
| 代理商： | TPS61070DDC |
www.ti.com
FEATURES
90% Efficient Synchronous Boost Converter
– 75-mA Output Current at 3.3 V From 0.9-V
Input
– 150-mA Output Current at 3.3 V From 1.8-V
Input
Device Quiescent Current: 19 μA (Typ)
Input Voltage Range: 0.9 V to 5.5 V
Adjustable Output Voltage Up to 5.5 V
Power-Save Mode Version Available for
Improved Efficiency at Low Output Power
Load Disconnect During Shutdown
Overtemperature Protection
Small 6-Pin Thin SOT23 Package
DESCRIPTION
The TPS6107x devices provide a power supply
solution for products powered by either a one-cell,
two-cell, or three-cell alkaline, NiCd or NiMH, or
one-cell Li-ion or Li-polymer battery. Output currents
can go as high as 75 mA while using a single-cell
alkaline, and discharge it down to 0.9 V. It can also
be used for generating 5 V at 200 mA from a 3.3-V
rail or a Li-ion battery. The boost converter is based
on a fixed frequency, pulse-width-modulation (PWM)
controller using a synchronous rectifier to obtain
maximum
efficiency.
At
TPS61070 enters the power-save mode to maintain a
high efficiency over a wide load current range. At the
TPS61071 the power-save mode is disabled, forcing
the converter to operate at a fixed switching fre-
quency. The maximum peak current in the boost
switch is typically limited to a value of 600 mA.
APPLICATIONS
All One-Cell, Two-Cell, and Three-Cell Alka-
line, NiCd or NiMH or Single-Cell Li
Battery-Powered Products
Portable Audio Players
PDAs
Cellular Phones
Personal Medical Products
White LED Lighting
SW
C1
10
μ
F
L1
4.7
μ
H
VBAT
VOUT
FB
C2
10
μ
F
EN
GND
TPS61070
V
O
3.3 V Up To
100 mA
R1
R2
0.9-V To V
O
TPS61070
TPS61071
SLVS510–JUNE 2004
90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH
low
load
currents
the
The TPS6107x output voltage is programmed by an
external resistor divider. The converter can be dis-
abled to minimize battery drain. During shutdown, the
load is completely disconnected from the battery. The
device is packaged in a 6-pin thin SOT23 package
(DDC).
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.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2004, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS61070DDCR | 功能描述:直流/直流開關調節器 Adj 600-mA Switch PFM/PWM Boost Con RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS61070DDCRG4 | 功能描述:直流/直流開關調節器 Adj 600-mA Switch PFM/PWM Boost Con RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS61070EVM-062 | 功能描述:電源管理IC開發工具 TPS61070-062 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS61070EVM-62 | 功能描述:EVALUATION MODULE FOR TPS61070 RoHS:是 類別:編程器，開發系統 >> 過時/停產零件編號 系列:- 標準包裝:1 系列:* |
| TPS61070TDDCRQ1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:90PER EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
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