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HHS40ZE Datasheet(PDF) 1 Page - Power-One

Part No. HHS40ZE
Description  HHS40 Series . 40A Half-Brick DC/DC Converter 48V Input 3.3V, 2.5V Output
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Maker  POWER-ONE [Power-One]
Homepage  http://www.power-one.com
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HHS40ZE Datasheet(HTML) 1 Page - Power-One

   
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Product Brief
HHS40 Series – 40A Half-Brick DC/DC Converter
48V Input
3.3V, 2.5V Output
REV. 7/01
Page 1 of 2
www.power-one.com
Applications
Distributed power architectures
Telecommunications equipment
LAN/WAN applications
Data processing applications
Features
Open frame design with Insulated Metal
Substrate
Low profile – 12.7 mm height
Input/output isolation: 1500VDC, meets basic
insulation requirements
Efficiency in excess of 90%
Output back-drive capability
Low conducted and radiated EMI
Output over-current protection
Output over-voltage protection
Over-temperature protection
Remote sense
Set point accuracy
± 2%
Remote on/off (primary referenced), positive
or negative logic
Output voltage trim, positive or negative
UL 1950 Recognition, CSA 22.2 No. 950-95
certification, TUV IEC950
Description
The HHS40 is a series of high-density Halfbrick size, High-current, Single-output DC/DC converters with
through-hole mounting. The products provide on-board conversion of standard Telecom and Datacom input
voltages to isolated, precisely regulated low output voltages. Very high efficiency and superior thermal
design enable the products to deliver full rated power at 55
° C with 300 LFM or 45° C with 200LFM forced air
without addition of a heatsink. Such level of performance is presently not matched by other 40A rated
products on the market.
Selection Chart
Model
Input
voltage
VDC
Input
current,
max, ADC
Output
voltage,
VDC
Output rated
current,
ADC
Output Ripple/
Noise, mV p-p
Typical
Efficiency
@40A %
HHS40ZE
36-75
5.0
3.3
40
150
90
HHS40ZD
36-75
3.5
2.5
40
100
88


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