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參數(shù)資料
| 型號： | TPS53129RGET |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PQCC24 |
| 封裝： | 4 X 4 MM, GREEN, PLASTIC, VQFN-24 |
| 文件頁數(shù)： | 1/29頁 |
| 文件大?。?/td> | 813K |
| 代理商： | TPS53129RGET |
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www.ti.com
SLVSAE6 – JULY 2010
DUAL SYNCHRONOUS STEP-DOWN CONTROLLER
FOR LOW VOLTAGE POWER RAILS
Check for Samples: TPS53129
1
FEATURES
700-kHz Switching Frequency
2
D-CAP2 Mode Control
Cycle-by-Cycle Over-Current Limiting Control
–
Fast Transient Response
30-mV to 300-mV OCP Threshold Voltage
–
No External Parts Required for Loop
Thermally Compensated OCP by 4000 ppm/°C
Compensation
at ITRIP
–
Compatible With Ceramic Output
APPLICATIONS
Capacitors
Point-of-Load Regulation in Low Power
High Initial Reference Accuracy (±1%)
Systems for Wide Range of Applications
Low Output Ripple
–
Digital TV Power Supply
Wide Input Voltage Range: 4.5 V to 24 V
–
Networking Home Terminal
Output Voltage Range: 0.76 V to 5.5 V
–
Digital Set-Top Box (STB)
Low-Side RDS(ON) Loss-Less Current Sensing
–
DVD Player/Recorder
Adaptive Gate Drivers with Integrated Boost
–
Gaming Consoles
Diode
Adjustable Soft Start
Non-Sinking Pre-Biased Soft Start
DESCRIPTION
The TPS53129 is a dual, adaptive on-time D-CAP2 mode synchronous buck controller. The TPS53129
enables system designers to complete the suite of various end equipment’s power bus regulators with cost
effective, low component count, and low standby current solution. The main control loop for the TPS53129 uses
the D-CAP2 mode control which provides a very fast transient response with no external components. The
TPS53129 also has a circuit that enables the device to adapt to both low equivalent series resistance (ESR)
output capacitors such as POSCAP or SP-CAP, and ultra-low ESR, ceramic capacitors. The fixed frequency
emulated adaptive on-time control supports seamless operation between PWM mode at heavy load condition
and reduced frequency operation at light load for high efficiency down to milliampere range.The device provides
convenient and efficient operation with input voltages from 4.5 V to 24 V and output voltages from 0.76 V to
5.5 V.
The TPS53129 is available in 4-mm x 4-mm 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 2009–2010, 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS53211 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Single-Phase PWM Controller with Light-Load Efficiency Optimization |
| TPS53211RGTR | 功能描述:DC/DC 開關(guān)控制器 Sgl Phase PWM Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS53211RGTT | 功能描述:DC/DC 開關(guān)控制器 Sgl Phase PWM Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| TPS53219 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Wide Input Voltage, Eco-mode?, Single Synchronous Step-Down Controller |
| TPS53219A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Wide Input Voltage, Eco-modea?￠, Single Synchronous Step-Down Controller |
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