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參數(shù)資料
| 型號(hào)： | PTB48520WAZ |
| 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 |
| 封裝： | ROHS COMPLIANT PACKAGE-10 |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大小： | 427K |
| 代理商： | PTB48520WAZ |
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FEATURES
APPLICATIONS
DESCRIPTION
PTB48520W
SLTS233A–NOVEMBER 2004–REVISED APRIL 2005
25-A, 48-V INPUT ISOLATED DC/DC CONVERTER
WITH AUTO-TRACK SEQUENCING
3.3-V Intermediate Bus Architectures
Input Voltage: 36 V to 75 V
Telecom, High-End Computing Platforms
25-A Total Output Current
Multi-Rail Power Systems with
91% Efficiency
Power-Up Sequencing
Wide-Adjust Output Voltage: 1.8 V to 3.6 V
Overcurrent Protection
Output Overvoltage Protection
Overtemperature Shutdown
Output Enable Control
Auto-Track Compatible Sequenced Output
Smart-Sense Remote Sensing
Undervoltage Lockout
Industry Standard Size
Surface Mountable
1500-Vdc Isolation
Agency Approvals (Pending):
UL/cUL 60950, EN 60950
The PTB48520W is a 25-A rated, 48-V input isolated dc/dc converter that incorporates Auto-Track power-up
sequencing. This allows these modules to simultaneously power up with any other downstream non-isolated,
Auto-Track compliant module.
The PTB48520W module provides two outputs, each regulated to the same voltage. During power up, the
voltage at Vo Bus rises first, allowing this output to provide input power to any downstream non-isolated module.
The voltage from Vo Seq is then allowed to rise simultaneously, under the control of Auto-Track, along with the
outputs from the downstream modules.
Whether used to facilitate power-up sequencing, or operated as a stand-alone module, the PTB48520W includes
many features expected of high-performance dc/dc converter modules. The wide output adjust enables the
output voltage to be set to to any voltage over the range, 1.8 V to 3.6 V, using a single external resistor. Precise
output voltage regulation is ensured with a differential remote sense that intelligently regulates the sequenced
output, depending on its sequence status. Other operational features include an input undervoltage lockout
(UVLO) and an output enable control. Overcurrent, overvoltage, and overtemperature protection ensures the
module ability to survive any load fault.
Typical applications include distributed power architectures in both telecom and computing environments,
particularly complex digital systems requiring power sequencing of multiple power supply rails.
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 is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2004–2005, 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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| PTB48530AAZ | 功能描述:CONV DC-DC 48V 27W DUAL 7-SMD RoHS:是 類別:電源 - 板載 >> DC DC Converters 系列:PTB48530A 標(biāo)準(zhǔn)包裝:500 系列:Econoline R0.25S 類型:隔離 輸出數(shù):1 電壓 - 輸入（最小）:21.6V 電壓 - 輸入（最大）:26.4V Voltage - Output 1:3.3V Voltage - Output 2:- Voltage - Output 3:- 電流 - 輸出（最大）:76mA 電源（瓦） - 制造商系列:0.25W，1/4W 電壓 - 隔離:1kV（1000V） 特點(diǎn):- 安裝類型:表面貼裝 封裝/外殼:8-DIP SMD 模塊 尺寸/尺寸:0.49" L x 0.42" W x 0.28" H（12.8mm x 10.7mm x 7.0mm） 包裝:帶卷 (TR) 工作溫度:-40°C ~ 100°C 效率:60 ~ 70% 電源（瓦特）- 最大:0.25W |
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