PQ48033HTA38 Datasheet, PDF (1/14 Pages) SynQor Worldwide Headquarters – Half-brick DC/DC Converter

Technical
Specification
PQ48033HTA38
48Vin 3.3Vout 38Amp 2000Vdc
Input
Output
Current
Isolation
Half-brick
DC/DC Converter
The PQ48033HTA38 PowerQor^™ Tera half-brick converter
is a next-generation, board-mountable, isolated, fixed switch-
ing frequency DC/DC converter that uses synchronous recti-
fication to achieve extremely high conversion efficiency. The
power dissipated by the converter is so low that a heatsink
is not required, which saves cost, weight, height, and appli-
cation effort. The Tera series converters offer the maximum
useable output current for a standard “half-brick” module.
The Tera units also feature active current sharing for N+1
and parallel applications. This modified standard version
has a reduced current limit for lower power applications.
Operational Features
• Ultra-high efficiency, 91.5% at full rated load current
• Delivers up to 38 amps of output current with minimal
derating - no heatsink required
• Wide input voltage range: 35V – 75V meets or
exceeds all 48V bus standards
• Fixed frequency switching provides predictable EMI
performance
PQ48033HTA38 Module
Control Features
• On/Off control referenced to input side (positive and
negative logic options are available)
• Remote sense for the output voltage compensates for
output distribution drops
• Output voltage trim permits custom voltages and voltage
margining
Mechanical Features
• Industry standard half-brick pin-out configuration
• Industry standard size: 2.3” x 2.4” (58.4 x 61.0mm)
• Total height only 0.43” (11.2mm), permits better air-
flow and smaller card pitch
• Total weight: 2.6 oz. (75 grams)
Protection Features
• Input under-voltage lockout and over-voltage shutdown
protects against abnormal input voltages
• Output current limit and short circuit protection
• Active back bias limit prevents damage to converter
from external load induced pre-bias
• Output over-voltage protection
• Thermal shutdown
Safety Features
• 2000V, 30 MΩ input-to-output isolation
• UL 60950 recognized (US & Canada), basic insula-
tion rating
• TUV certified to EN60950
• Meets 72/23/EEC and 93/68/EEC directives
• Meets UL94V-0 flammability requirements
Optional Features (full-feature)
• Active current share for N+1 and parallel applications
• External Clock Synchronization pin for better EMI char-
acteristics
• Startup Synchronization pin for more consistent start-up
sequence
• ORing FET drive supply for efficient ORing protection
Product # PQ48033HTA38
Phone [phone]
www.synqor.com
Doc.# 005-2UT433F Rev. A
12/03/04
Page 1