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| 型号： | TPS61071DDCT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.7 A BATTERY CHARGE CONTROLLER, 1440 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | PLASTIC, TSOT-23, 6 PIN |
| 文件页数： | 1/23页 |
| 文件大小： | 653K |
| 代理商： | TPS61071DDCT |
1
FEATURES
DESCRIPTION
APPLICATIONS
SW
C1
10 F
L1
4.7 H
VBAT
VOUT
FB
C2
10 F
EN
GND
TPS61070
VO
3.3VUp To
100mA
R1
R2
0.9-V ToVO
www.ti.com .......................................................................................................................................................... SLVS510C – JULY 2006 – REVISED MARCH 2009
90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH
90% Efficient Synchronous Boost Converter
–
75-mA Output Current at 3.3 V From 0.9-V
The TPS6107x devices provide a power supply
solution for products powered by either a one-cell,
Input
two-cell, or three-cell alkaline, NiCd or NiMH, or
–
150-mA Output Current at 3.3 V From 1.8-V
one-cell Li-ion or Li-polymer battery. Output currents
Input
can go as high as 75 mA while using a single-cell
Device Quiescent Current: 19 A (Typ)
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
Input Voltage Range: 0.9 V to 5.5 V
rail or a Li-ion battery. The boost converter is based
Adjustable Output Voltage Up to 5.5 V
on a fixed frequency, pulse-width-modulation (PWM)
Power-Save Mode Version Available for
controller using a synchronous rectifier to obtain
Improved Efficiency at Low Output Power
maximum
efficiency.
At
low
load
currents
the
TPS61070 and TPS61073 enter the power-save
Load Disconnect During Shutdown
mode to maintain a high efficiency over a wide load
Overtemperature Protection
current range. The power-save mode is disabled in
Small 6-Pin Thin SOT23 Package
the TPS61071 and TPS61072, forcing the converters
to operate at a fixed switching frequency. The
maximum peak current in the boost switch is typically
limited to a value of 600 mA.
All One-Cell, Two-Cell, and Three-Cell Alkaline,
NiCd or NiMH or Single-Cell Li
The TPS6107x output voltage is programmed by an
Battery-Powered Products
external resistor divider. The converter can be
Portable Audio Players
disabled to minimize battery drain. During shutdown,
the load is completely disconnected from the battery.
PDAs
The device is packaged in a 6-pin thin SOT23
Cellular Phones
package (DDC).
Personal Medical Products
White LED Lighting
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2006–2009, 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS61071-Q1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
| TPS61071TDDCRQ1 | 功能描述:直流/直流开关转换器 AC Adj,600mA Sw,90% Eff PWM Boost Cnvrtr RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS61072 | 制造商:TI 制造商全称:Texas Instruments 功能描述:90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
| TPS61072DDC | 制造商:TI 制造商全称:Texas Instruments 功能描述:90% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 600-mA SWITCH |
| TPS61072DDCR | 功能描述:直流/直流开关调节器 PFM/PWM Boost Conveter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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