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| 型号： | PTH08T255WAD |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源模块 |
| 英文描述： | DC-DC REG PWR SUPPLY MODULE |
| 封装： | PLASTIC, MODULE-22 |
| 文件页数： | 1/34页 |
| 文件大小： | 4336K |
| 代理商： | PTH08T255WAD |
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1
FEATURES
APPLICATIONS
DESCRIPTION
www.ti.com ........................................................................................................................................................................................... SLTS290 – NOVEMBER 2008
40-A, 8-V to 14-V INPUT, 3-V to 5.25-V OUTPUT,
NON-ISOLATED, ADJUSTABLE POWER MODULE
Designed to meet Ultra-Fast Transient
Requirements up to 300 A/
s
2
Up to 40-A Output Current
SmartSync Technology
8-V to 14-V Input Voltage
Parallel Operation
Wide-Output Voltage Adjust (3.0 V to 5.25 V)
±1.5% Total Output Voltage Variation
Efficiencies up to 96%
Complex Multi-Voltage Systems
Output Overcurrent Protection
Servers
(Nonlatching, Auto-Reset)
Workstations
Operating Temperature: –40°C to 85°C
Safety Agency Approvals: (Pending)
–
UL/IEC/CSA-C22.2 60950-1
Prebias Startup
On/Off Inhibit
Differential Output Voltage Remote Sense
Adjustable Undervoltage Lockout
Auto-Track Sequencing
Multi-Phase, Switch-Mode Topology
TurboTrans Technology
The PTH08T255W is a high-performance 40-A rated, non-isolated power module. This module represents the
2nd generation of the popular PTH series power modules with a reduced footprint and improved features.
Operating from an input voltage range of 8 V to 14 V, the PTH08T255W requires a single resistor to set the
output voltage to any value over the range, 3.0 V to 5.25 V. The wide input voltage range makes the
PTH08T255W particularly suitable for advanced computing and server applications that utilize a loosely
regulated 9.6-V to 12-V intermediate distribution bus.
The module incorporates a comprehensive list of features. Output overcurrent and over-temperature shutdown
protects against most load faults. A differential remote sense ensures tight load regulation. An adjustable
under-voltage lockout allows the turn-on voltage threshold to be customized. Auto-Track sequencing is a
popular feature that greatly simplifies the simultaneous power-up and power-down of multiple modules in a
power system. Additionally, the capability to current share between multiple PTH08T255W modules allows for
load currents greater than 40A on a single rail.
The PTH08T255W includes new patented technologies, TurboTrans and SmartSync. The TurboTrans feature
optimizes the transient response of the regulator while simultaneously reducing the quantity of external output
capacitors required to meet a target voltage deviation specification. Additionally, for a target output capacitor
bank, TurboTrans can be used to significantly improve the regulators transient response by reducing the peak
voltage deviation. SmartSync allows for switching frequency synchronization of multiple modules, thus simplifying
EMI noise suppression tasks and reducing input capacitor RMS current requirements.
The module uses double-sided surface mount construction to provide a low profile and compact footprint.
Package options include both through-hole and surface mount configurations that are lead (Pb) - free and RoHS
compatible.
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
Auto-Track, TMS320, TurboTrans are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2008, 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 |
|---|---|
| PTH08T255WAS | 功能描述:DC/DC转换器 40A,8-14V In,3-5.25V Out,Non-Iso Pwr Mod RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTH08T255WAST | 功能描述:DC/DC转换器 40A,8-14V In,3-5.25V Out,Non-Iso Pwr Mod RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTH08T255WAZ | 功能描述:DC/DC转换器 40A,8-14V In,3-5.25V Out,Non-Iso Pwr Mod RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTH08T255WAZT | 功能描述:DC/DC转换器 40A,8-14V In,3-5.25V Out,Non-Iso Pwr Mod RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PTH08T260W | 制造商:TI 制造商全称:Texas Instruments 功能描述:3-A, 4.5-V to 14-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTrans |
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