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參數(shù)資料
| 型號： | PTH08T250WAST |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源模塊 |
| 英文描述： | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| 文件頁數(shù)： | 1/39頁 |
| 文件大?。?/td> | 2220K |
| 代理商： | PTH08T250WAST |
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www.ti.com
SLTS278G – NOVEMBER 2010 – REVISED MARCH 2009
50-A, 4.5-V to 14-V INPUT, NON-ISOLATED,
WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTrans
Check for Samples: PTH08T250W
1
FEATURES
TurboTrans Technology
2
Up to 50-A Output Current
Designed to meet Ultra-Fast Transient
Requirements up to 300 A/ms
4.5-V to 14-V Input Voltage
SmartSync Technology
Wide-Output Voltage Adjust (0.7 V to 3.6 V)
Parallel Operation
±1.5% Total Output Voltage Variation
POLA Compatible
Efficiencies up to 96%
Output Overcurrent Protection
APPLICATIONS
(Nonlatching, Auto-Reset)
Complex Multi-Voltage Systems
Operating Temperature: –40°C to 85°C
Servers
Safety Agency Approvals:
Workstations
–
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
DESCRIPTION
The PTH08T250W is a high-performance 50-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 4.5 V to 14 V, the PTH08T250W requires a single resistor to set the
output voltage to any value over the range, 0.7 V to 3.6 V. The wide input voltage range makes the
PTH08T250W particularly suitable for advanced computing and server applications that utilize a loosely
regulated 8-V to 12-V intermediate distribution bus. Additionally, the wide input voltage range increases design
flexibility by supporting operation with tightly regulated 5-V, 8-V, or 12-V intermediate bus architectures.
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 PTH08T250W modules allows for
load currents greater than 50 A on a single rail.
The PTH08T250W includes new patent pending 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.
Double-sided surface mount construction provides 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
TurboTrans, Auto-Track, TMS320 are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2010–2009, 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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| PTH08T250WAD | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| PTH08T250WAS | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| PTH08T250WAZ | 1-OUTPUT DC-DC REG PWR SUPPLY MODULE |
| PTH08T255WAS | DC-DC REG PWR SUPPLY MODULE |
| PTH08T255WAZ | DC-DC REG PWR SUPPLY MODULE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PTH08T250WAZ | 功能描述:DC/DC轉(zhuǎn)換器 50A 4.5V to 14V Inp Non-Isolated RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH08T250WAZT | 功能描述:DC/DC轉(zhuǎn)換器 50A 4.5V to 14V Inp Non-Isolated RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH08T250WBD | 制造商:Texas Instruments 功能描述: |
| PTH08T255WAD | 功能描述:DC/DC轉(zhuǎn)換器 40A,8-14V In,3-5.25V Out,Non-Iso Pwr Mod RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH08T255WAS | 功能描述:DC/DC轉(zhuǎn)換器 40A,8-14V In,3-5.25V Out,Non-Iso Pwr Mod RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
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