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| 型号： | TPS53126PW |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.17 A DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封装： | PLASTIC, TSSOP-24 |
| 文件页数： | 1/30页 |
| 文件大小： | 899K |
| 代理商： | TPS53126PW |
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1
FEATURES
APPLICATIONS
DESCRIPTION
www.ti.com........................................................................................................................................................................................................ SLUS909 – MAY 2009
DUAL SYNCHRONOUS STEP-DOWN CONTROLLER FOR LOW VOLTAGE POWER RAILS
Point-of-Load Regulation in Low Power
2
D-CAP2 Mode Control
Systems for Wide Range of Applications
–
Fast Transient Response
–
Digital TV Power Supply
–
No External Parts Required For Loop
–
Networking Home Terminal
Compensation
–
Digital Set Top Box (STB)
–
Compatible with Ceramic Output
–
DVD Player/Recorder
Capacitors
–
Gaming Consoles and Other
High Initial Reference Accuracy (±1%)
Low Output Ripple
Wide Input Voltage Range: 4.5 V to 24 V
The
TPS53126
is
a
dual,
adaptive
on-time,
Output Voltage Range: 0.76 V to 5.5 V
D-CAP2 mode synchronous Buck controller. The
Low-Side R
DS(on) Loss-Less Current Sensing
TPS53126 enables system designers to complete the
suite
of
various
end
equipment's
power
bus
Adaptive Gate Drivers with Integrated Boost
regulators
with
a
cost
effective,
low
external
Diode
component count, and low standby current solution.
Internal 1.2 ms Voltage-Servo Soft Start
The main control loop for the TPS53126 uses the
Pre-Biased Soft Start
D-CAP2 mode control which provides a very fast
transient response with no external components. The
Selectable Switching Frequency: 350 kHz / 700
TPS53126 also has a proprietary circuit that enables
kHz
the device to adapt to both low equivalent series
Cycle-by-Cycle Over-Current Limiting Control
resistance
(ESR)
output
capacitors,
such
as
30 mV to 300 mV OCP Threshold Voltage
POSCAP or SP-CAP, and ultra-low ESR ceramic
capacitors. The device provides convenient and
Thermally Compensated OCP by 4000 ppm/C°
efficient operation with input voltages from 4.5 V to 24
at ITRIP
V and output voltages from 0.76 V to 5.5 V.
The TPS53126 is available in 4mm x 4mm 24 pin
QFN (RGE) or 24 pin TSSOP (PW) packages and is
specified from –40°C to 85°C ambient temperature
range.
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
D-CAP2 is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 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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PDF描述 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS53126PWR | 功能描述:DC/DC 开关控制器 Dual Sync. Step Down Controller 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 |
| TPS53126RGER | 功能描述:DC/DC 开关控制器 Dual Sync. Step Down Controller 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 |
| TPS53126RGET | 功能描述:DC/DC 开关控制器 Dual Sync. Step Down Controller 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 |
| TPS53127 | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL SYNCHRONOUS STEP-DOWN CONTROLLER FOR LOW VOLTAGE POWER RAILS |
| TPS53127_1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:DUAL SYNCHRONOUS STEP-DOWN CONTROLLER FOR LOW VOLTAGE POWER RAILS |
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