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HHD20ZGE Datasheet(PDF) 1 Page - Power-One

Part No. HHD20ZGE
Description  HHD25 Series . 20/25A, Half-Brick DC/DC Converter 24V/48V Input Dual Output
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Maker  POWER-ONE [Power-One]
Homepage  http://www.power-one.com
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HHD20ZGE Datasheet(HTML) 1 Page - Power-One

   
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Product Brief
HHD25 Series – 20/25A, Half-Brick DC/DC Converter
24V/48V Input
Dual Output
REV. 7/01
www.power-one.com
Applications
Distributed power architectures
Telecommunications equipment
LAN/WAN applications
Data processing applications
Features
100/85 Watt total output power
Independently regulated outputs
Flexible load distribution
Open-frame design with Insulated Metal
Substrate
Low profile – 12.7mm height
High efficiency - 87%
Output voltage tracking
Output overcurrent protection
Output overvoltage protection
Overtemperature protection
Setpoint accuracy
± 1.5%
Independent output voltage trim, positive or
negative
Input/output isolation: 1500VDC, basic
insulation
UL 1950 Recognition, CSA 22.2 No. 950-95
certification, TUV IEC950
Description
The HHD25 is a new series of high density Halfbrick size, High current, Dual output DC/DC converters with
through-hole mounting. The products provide onboard conversion of standard Telecom and Datacom input
voltages to two independently-regulated output voltages. Leading-edge technology provides extremely high
efficiency and superior thermal performance which enables the products to deliver full rated power at 55°C
ambient temperature with only 200 LFM forced air without addition of a heatsink. The outputs also track
each other during both startup and shutdown.
Selection Chart
Model
Input
voltage
range, VDC
Input
current,
max, ADC
Output
voltage,
VDC
Output rated
current, ADC
Output Ripple
and Noise,
mV p-p
Typical
Efficiency
%
HHD20ZGE
36-72
3.6
5.0/3.3
20/20
100
87
HHD20ZGB
36-72
3.6
5.0/1.8
20/20
100
85
HHD25ZED
36-72
3.1
3.3/2.5
25/20
100
85
HHD25ZEB
36-72
3.1
3.3/1.8
25/20
100
84
HHD20YGE
18-36
7.2
5.0/3.3
20/20
100
85


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