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PTQB425080 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. PTQB425080
Description  200-W 48-V INPUT, 8-V OUTPUT, SEMI-REGULATED, ISOLATED DC-DC BUS CONVERTER
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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PTQB425080 Datasheet(HTML) 1 Page - Texas Instruments

 
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FEATURES
DESCRIPTION
1
3
PTQB425080N
2
Remote On/Off
7
4
(Optional)
+
(Optional)
+
−VI
CI
−VO
+VO
+VI
−VI
+VI
CO
Point−of−Load
Power Module
Inputs
UDG−06086
−VO
+VO
PTQB425080
SLTS269A – DECEMBER 2006 – REVISED JANUARY 2007
200-W 48-V INPUT, 8-V OUTPUT, SEMI-REGULATED, ISOLATED DC-DC BUS
CONVERTER
• 200-W Output
The PTQB425080 power module is single-output
isolated DC/DC converter, housed in an industry
• Input Voltage Range: 36 V to 75 V
standard quarter-brick package. The module is
• Meets 100 V, 100 ms Input Transient
nominally rated up to 200 W with a maximum load
• 6:1 Input-to-Output DC Conversion Ratio:
current of 25 A. It will deliver an output voltage of
36 V to 55 V Input
1/6th the input voltage for an input voltage range of
36 V to 55 V, while limiting the output voltage to 10.5
• 10.5 V Output Voltage Limit: > 55 V Input
V for an input voltage greater than 55 V.
• 93% Efficiency
The PTQB425080 operates from a standard 48-V
• 1500 V
DC Isolation
telecom central office (CO) supply and occupies only
• On/Off Control
3.3 in2 of PCB area. The module offers OEMs a
• Overcurrent Protection
compact and flexible high-output power source in an
industry
standard
footprint.
It
is
suitable
for
• Over-Temperature Shutdown
distributed power applications in both telecom and
• Undervoltage Lockout
computing environments that utilize an intermediate
• SmartSync External Clock Drive (Optional)
bus architecture (IBA), and may be used for
powering downstream point-of-load (POL) devices
• AutoTrack™ Power-Up Sequencing (Optional)
such as the second generation PTH series of
• Standard 1/4-Brick Bus Converter Footprint
products (T2).
• UL Safety Agency Approval (Pending)
Features include a remote On/Off control with
optional logic polarity, and an undervoltage lockout
(UVLO).
Protection
features
include
output
over-current protection (OCP) and over-temperature
protection (OTP). To compliment T2-POL products,
optional features include a SmartSync compatible
clock drive and a AutoTrack™ power-up sequencing
manager
The module is fully integrated for stand-alone
operation, and require no additional components.
STANDARD APPLICATION
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2006–2007, 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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