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參數(shù)資料
| 型號： | PTV08T250WAH |
| 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)： | 1/30頁 |
| 文件大小： | 795K |
| 代理商： | PTV08T250WAH |
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1
FEATURES
APPLICATIONS
DESCRIPTION
www.ti.com .......................................................................................................................................... SLTS260E – OCTOBER 2005 – REVISED NOVEMBER 2008
50-A, 8-V to 14-V INPUT, NON-ISOLATED, WIDE-OUTPUT ADJUST,
VERTICAL POWER MODULE w/ TurboTrans TECHNOLOGY
TurboTransTechnology
2
50-A Output Current
Designed to meet ultra fast transient
requirements up to 300A/
s
8-V to 14-V Input Voltage
Multi-Phase, Switch-Mode Topology
Wide-Output Voltage Adjust (0.8 V to 3.6 V)
AutoTrack Sequencing
Efficiencies up to 95%
On/Off Inhibit
Differential Output Sense
Advanced Computing and Server Applications
Output Overcurrent Protection
(Nonlatching, Auto-Reset)
Overtemperature Protection
Start Up Into Output Prebias
Programmable Undervoltage Lockout (UVLO)
Safety Agency Approvals: (Pending)
UL/IEC/CSA-C22.2 60950-1
Operating Temperature: –40°C to 85°C
The PTV08T250W is a high-performance 50-A rated, non-isolated, vertical power module which uses a
multi-phase switched-mode topology. This provides a small, ready-to-use module that can power the most
densely populated multiprocessor systems. The PTV08T250W is produced in a 21-pin, single in-line pin (SIP)
package. The SIP footprint minimizes board space, and offers an alternate package option for space conscious
applications. The modules use double-sided surface mount construction to provide a compact design.
Operating from an input voltage range of 8 V to 14 V, the PTV08T250W requires a single resistor to set the
output voltage to any value over the range, 0.8 V to 3.6 V. The wide input voltage range makes the
PTV08T250W suitable for advanced computing and server applications that use a loosely regulated 12-V
intermediate distribution bus.
A new feature included in this 2nd generation of PTH and PTV modules is TurboTrans technology. TurboTrans
allows the transient response of the regulator to be optimized externally, resulting in a reduction of output voltage
deviation following a load transient and a reduction in required output capacitance. This feature also offers
enhanced stability when used with ultra-low ESR output capacitors.
The PTV08T250W incorporates a comprehensive list of standard features. They include on/off inhibit, a
differential remote output voltage sense which ensures tight load regulation, and an output overcurrent and
overtemperature shutdown to protect against load faults. A programmable undervoltage lockout allows the
turn-on and turn-off voltage thresholds to be customized. AutoTrack sequencing is a popular feature which
greatly simplifies the simultaneous power-up and power-down of multiple modules in a power system by allowing
the outputs to track a common voltage.
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, AutoTrack, TMS320 are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2005–2008, 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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