PTH08T255W

更新时间： 2024-11-01 11:58:19

品牌	Logo	应用领域
德州仪器 - TI		电源电路输出元件输入元件
页数	文件大小	规格书
35页	4313K
描述
40-A, 8-V to 14-V INPUT, 3-V to 5.25-V OUTPUT, NON-ISOLATED, ADJUSTABLE POWER MODULE

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PTH08T255W 数据手册

PTH08T255W

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

FEATURES

•

Designed to meet Ultra-Fast Transient

Requirements up to 300 A/µs

•

Up to 40-A Output Current

•

SmartSync Technology

Parallel Operation

•

8-V to 14-V Input Voltage

Wide-Output Voltage Adjust (3.0 V to 5.25 V)

±1.5% Total Output Voltage Variation

Efficiencies up to 96%

APPLICATIONS

•

Complex Multi-Voltage Systems

Servers

Workstations

Output Overcurrent Protection

(Nonlatching, Auto-Reset)

•

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

DESCRIPTION

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.

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.

Auto-Track, TMS320, TurboTrans are trademarks of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...35

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PTH08T255W 替代型号

型号	品牌	替代类型	描述	数据表
PTH08T250W	TI	功能相似	50-A, 4.5-V to 14-V INPUT, NON-ISOLATED, WIDE

与PTH08T255W相关器件

型号	品牌	获取价格	描述	数据表
PTH08T255WAD	TI	获取价格	40-A, 8-V to 14-V INPUT, 3-V to 5.25-V OUTPUT, NON-ISOLATED, ADJUSTABLE POWER MODULE
PTH08T255WAS	TI	获取价格	40-A, 8-V to 14-V INPUT, 3-V to 5.25-V OUTPUT, NON-ISOLATED, ADJUSTABLE POWER MODULE
PTH08T255WAST	TI	获取价格	40-A, 8-V to 14-V INPUT, 3-V to 5.25-V OUTPUT, NON-ISOLATED, ADJUSTABLE POWER MODULE
PTH08T255WAZ	TI	获取价格	40-A, 8-V to 14-V INPUT, 3-V to 5.25-V OUTPUT, NON-ISOLATED, ADJUSTABLE POWER MODULE
PTH08T255WAZT	TI	获取价格	40-A, 8-V to 14-V INPUT, 3-V to 5.25-V OUTPUT, NON-ISOLATED, ADJUSTABLE POWER MODULE
PTH08T260W	TI	获取价格	3-A, 4.5-V to 14-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTra
PTH08T260WAD	TI	获取价格	3-A, 4.5-V to 14-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTra
PTH08T260WAS	TI	获取价格	3-A, 4.5-V to 14-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTra
PTH08T260WAST	TI	获取价格	3-A, 4.5-V to 14-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTra
PTH08T260WAZ	TI	获取价格	3-A, 4.5-V to 14-V INPUT, NON-ISOLATED, WIDE-OUTPUT, ADJUSTABLE POWER MODULE WITH TurboTra

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