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参数资料
| 型号： | TPS61120RSARG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.6 A BATTERY CHARGE CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封装： | 4 X 4 MM, GREEN, PLASTIC, QFN-16 |
| 文件页数： | 1/32页 |
| 文件大小： | 844K |
| 代理商： | TPS61120RSARG4 |
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Actual Size
(5,0 mm x 6,4 mm)
Actual Size
(4,15 mm x 4,15 mm)
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
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
Vout1
Vout2
TPS61120
Battery
SWP
10 mH
10 mF
100 mF
2.2 mF
TPS61120
TPS61122, TPS61121
SLVS427C – JUNE 2002 – REVISED APRIL 2004
SYNCHRONOUS BOOST CONVERTER WITH 1.1A SWITCH AND INTEGRATED LDO
Synchronous, 95% Efficient, Boost Converter
The TPS6112x devices provide a complete power
With 500-mA Output Current From 1.8-V Input
supply solution for products powered by either a
one-cell Li-Ion or Li-Polymer or a two up to 4 cells
Integrated 200-mA Reverse Voltage Protected
Alkaline, NiCd or NiMH batteries. The devices can
LDO for DC/DC Output Voltage Post Regu-
generate two stable output voltages that are either
lation or Second Output Voltage
adjusted by an external resistor divider or fixed
40-A (Typical) Total Device Quiescent Cur-
internally on the chip. It also provides a simple
rent
solution for generating 3.3 V out of a one-cell Li-Ion
or Li-Polymer battery at a maximum output current of
Input Voltage Range: 1.8-V to 5.5-V
at least 200 mA with supply voltages down to 1.8 V.
Fixed and Adjustable Output Voltage Options
The implemented boost converter is based on a fixed
up to 5.5-V
frequency, pulse-width-modulation (PWM) controller
Power Save Mode for Improved Efficiency at
using a synchronous rectifier to obtain maximum
Low Output Power
efficiency. The maximum peak current in the boost
switch is limited to a value of 1600 mA.
Low Battery Comparator
Power Good Output
The converter can be disabled to minimize battery
drain. During shutdown, the load is completely dis-
Low EMI-Converter (Integrated Antiringing
connected from the battery. A low-EMI mode is
Switch)
implemented to reduce ringing and in effect lower
Load Disconnect During Shutdown
radiated electromagnetic energy when the converter
Overtemperature Protection
enters the discontinuous conduction mode. A power
good output at the boost stage simplifies control of
Available in a Small 4mm x 4mm QFN-16 or in
any connected circuits like cascaded power supply
a TSSOP-16 Package
stages or microprocessors.
The built-in LDO can be used for a second output
voltage derived either from the boost output or
All Single Cell Li or Dual Cell Battery or USB
directly from the battery. The LDO can be enabled
Powered Products as MP-3 Player, PDAs, and
separately i.e., using the power good of the boost
Other Portable Equipment
stage. The device is packaged in a 16-pin QFN
Dual Input or Dual Output Mode
package measuring 4 mm x 4 mm (RSA) or in a
Simple Li-Ion to 3.3-V Conversion
16-pin TSSOP (PW) package.
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 2002–2004, 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 |
|---|---|
| TPS61121 | 制造商:TI 制造商全称:Texas Instruments 功能描述:SYNCHRONOUS BOOST CONVERTER WITH 1.1A SWITCH AND INTEGRATED LDO |
| TPS61121EVM-205 | 功能描述:电源管理IC开发工具 TPS61121-205 Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS61121PW | 功能描述:直流/直流开关调节器 3.3V Boost Cnvrtr w/1.5V 200mA LDO 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 |
| TPS61121PWG4 | 功能描述:直流/直流开关调节器 3.3V Boost Cnvrtr w/1.5V 200mA LDO 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 |
| TPS61121PWR | 功能描述:开关变换器、稳压器与控制器 3.3V Boost Cnvrtr w/1.5V 200mA LDO RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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