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| 型号： | TPS40009DGQG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3.05 X 4.98 MM, GREEN, PLASTIC, MSOP-10 |
| 文件页数： | 1/28页 |
| 文件大小： | 677K |
| 代理商： | TPS40009DGQG4 |
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TPS40007
TPS40009
SLUS589B NOVEMBER 2003 REVISED FEBRUARY 2005
LOW INPUT HIGHEFFICIENCY
SYNCHRONOUS BUCK CONTROLLER
1
www.ti.com
FEATURES
D Operating Input Voltage 2.25 V to 5.5 V
D Output Voltage as Low as 0.7 V
D 1% Internal 0.7 V Reference
D Predictive Gate Drivet N-Channel MOSFET
Drivers for Higher Efficiency
D Externally Adjustable Soft-Start and
Overcurrent Limit
D Fixed-Frequency Voltage-Mode Control
TPS40007, 300 kHz
TPS40009, 600 kHz
D Source/Sink with VOUT Prebias
D 10-Lead MSOP PowerPadt Package for
Higher Performance
D Thermal Shutdown
D Internal Boostrap Diode
SIMPLIFIED APPLICATION DIAGRAM
APPLICATIONS
D Networking Equipment
D Telecom Equipment
D Base Stations
D Servers
D DSP Power
D Power Modules
DESCRIPTION
The TPS4000x are controllers for low-voltage,
non-isolated synchronous buck regulators. These
controllers drive an N-channel MOSFET for the
primary buck switch, and an N-channel MOSFET
for the synchronous rectifier switch, thereby
achieving very high-efficiency power conversion. In
addition, the device controls the delays from main
switch off to rectifier turn-on and from rectifier
turn-off to main switch turn-on in such a way as to
minimize diode losses (both conduction and
recovery) in the synchronous rectifier with TI’s
proprietary Predictive Gate Drive
t technology. The
reduction in these losses is significant and increases
efficiency. For a given converter power level, smaller
FETs can be used, or heat sinking can be reduced
or even eliminated.
UDG03161
VIN
VOUT
1
ILIM
10
BOOT
2FB
9
HDRV
3
COMP
8
SW
4
SS/SD
7
VDD
5
GND
6
LDRV
TPS40007
TPS40009
PRODUCTION DATA information is 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.
Copyright
2003, 2004 Texas Instruments Incorporated
PowerPAD
t and Predictive Gate Drivet are trademarks of Texas Instruments Incorporated.
相关PDF资料 |
PDF描述 |
|---|---|
| TPS40009DGQRG4 | SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO10 |
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| TPS40042DRCTG4 | SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO10 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS40009DGQR | 功能描述:DC/DC 开关控制器 Low Input Sync Buck src/sink w/prebias RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| TPS40009DGQRG4 | 功能描述:DC/DC 开关控制器 Low Input Sync Buck src/sink w/prebias RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| TPS40009EVM-001 | 功能描述:电源管理IC开发工具 TPS40009-001 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 |
| TPS40020 | 制造商:TI 制造商全称:Texas Instruments 功能描述:ENHANCED LOW INPUT VOLTAGE MODE SYNCHRONOUS BUCK CONTROLLER |
| TPS40020PWP | 功能描述:DC/DC 开关控制器 Enhanced Low Input RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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