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| 型号： | TPS54429PWP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.01 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封装： | GREEN, PLASTIC, HTSSOP-14 |
| 文件页数： | 1/22页 |
| 文件大小： | 651K |
| 代理商： | TPS54429PWP |
U1
TPS54429PWP
Vout (50 mV/div)
Iout (2A/div)
100
s/div
m
SLVSAS1
– FEBRUARY 2011
7V to 18V Input, 4.5-A Synchronous Step-Down ( SWIFT
) Converter
Check for Samples: TPS54429
1
FEATURES
DESCRIPTION
23
D-CAP2
Mode Enables Fast Transient
Response
The TPS54429 is an adaptive on-time D-CAP2
mode synchronous buck converter. The TPS54429
Low Output Ripple and Allows Ceramic Output
enables system designers to complete the suite of
Capacitor
various end equipment
’s power bus regulators with a
Wide VIN Input Voltage Range: 7 V to 18 V
cost effective, low component count, low standby
Output Voltage Range: 0.76 V to 5.5 V
current solution. The main control loop for the
TPS54429 uses the D-CAP2
mode control which
Highly Efficient Integrated FET
’s Optimized
provides a very fast transient response with no
for Lower Duty Cycle Applications
external compensation components. The TPS54429
– 63 m (High Side) and 55 m (Low Side)
also has a proprietary circuit that enables the device
High Efficiency, less than 10
μA at shutdown
to adopt to both low equivalent series resistance
High Initial Bandgap Reference Accuracy
(ESR) output capacitors, such as POSCAP or
SP-CAP, and ultra-low ESR ceramic capacitors. The
Adjustable Soft Start
device operates from 7-V to 18-V VIN input. The
Pre-Biased Soft Start
output voltage can be programmed between 0.76 V
700-kHz Switching Frequency (fSW)
and 5.5 V. The device also features an adjustable
soft start time and a power good function. The
Cycle By Cycle Over Current Limit
TPS54429 is available in the 14-pin HTSSOP
Power Good Output
package, and designed to operate from
–20°C to
85
°C.
APPLICATIONS
Wide Range of Applications for Low Voltage
System
– Digital TV Power Supply
– High Definition Blu-ray Disc Players
– Networking Home Terminal
– Digital Set Top Box (STB)
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
SWIFT, D-CAP2, PowerPAD are trademarks of Texas Instruments.
3
Blu-ray Disc is a trademark of Blu-ray Disc Association.
PRODUCTION DATA information is current as of publication date.
2011, 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 |
|---|---|
| TPS54429PWPR | 功能描述:直流/直流开关调节器 7V-18Vin,4.5A Sync Step-Down DCAP2 Mode 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 |
| TPS54478 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2.95-V to 6-V Input, 4-A Output, 2-MHz, Synchronous Step-Down |
| TPS54478EVM-037 | 功能描述:电源管理IC开发工具 TPS54478 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 |
| TPS54478RTER | 功能描述:直流/直流开关调节器 2.95V-6Vin,6A,Sync Step-Down Converter 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 |
| TPS54478RTET | 功能描述:直流/直流开关调节器 2.95V-6Vin,6A,Sync Step-Down Converter 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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