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器件描述：60-A, 3.3/5-V INPUT, NONISOLATED WIDE-OUTPUT ADJUST POWER MODULE
器件厂商：TI [Texas Instruments]
厂商主页：http://www.ti.com/
文件大小：994.89KB
文件页数：24
PDF阅读：10SP470M.pdf (点击阅读器件资料)
摘要：
www.ti.com
60-A, 3.3/5-V INPUT, NONISOLATED WIDE-OUTPUT
FEATURES APPLICATIONS
NOMINAL SIZE = 2.05 in x 1.05 in
(52 mm x 26,7 mm)
DESCRIPTION
PTH04040W
SLTS238A – SEPTEMBER 2005 – REVISED FEBRUARY 2006
ADJUST POWER MODULE
? Advanced Computing and Server Applications? 60-A Output Current
? 3.3-V and 5-V Input Voltage
? Wide-Output Voltage Adjust (0.8 V to 2.5 V)
? Efficiencies up to 93%
? On/Off Inhibit
? Differential Output Sense
? Output Overcurrent Protection
(Nonlatching, Auto-Reset)
? Overtemperature Protection
? Auto-Track ? Sequencing
? Start Up Into Output Prebias
? Margin Up/Down Controls
? Operating Temperature: – 40 ° C to 85 ° C
? Multi-Phase, Switch-Mode Topology
? Programmable Undervoltage Lockout (UVLO)
? Safety Agency Approvals: UL/cUL 60950,
EN60950, VDE (Pending)
The PTH04040W is a high-performance 60-A rated, nonisolated, power module, which uses the latest
multi-phase switched-mode topology. This provides a small, ready-to-use module, that can power the most
densely populated multiprocessor systems.
The PTH04040W operates over an input voltage range of 2.95 V to 5.5 V, and can be set to any output voltage
over the range, 0.8 V to 2.5 V, using a single external resistor. The combination of a wide input voltage and
wide-output adjust range allows the PTH04040W to be used in many of high-performance applications. These
include advanced computing platforms and servers that utilize either a 3.3-V or 5-V distribution bus.
These modules incorporate a comprehensive list of features. They include an on/off inhibit and margin up/down
controls. A differential remote output voltage sense ensures tight load regulation, and an output overcurrent and
overtemperature shutdown protect against most load faults. A programmable undervoltage lockout allows the
turn-on threshold to be customized.
The PTH04040W incorporates Auto-Track ? . Auto-Track is a popular feature of the PTH family that allows the
outputs of multiple modules to track a common voltage during power-up and power-down transitions. This greatly
simplifies the sequencing of voltages for VLSI ICs that operate off multiple power rails.
The double-sided surface mount construction has a low profile and compact footprint. It is available in both
throughhole and surface-mount packages.
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, POLA, TMS320 are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date. Copyright ? 2005 – 2006, 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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