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PDF HHD20YGE Data sheet ( Hoja de datos )
| Número de pieza | HHD20YGE | |
| Descripción | HHD25 Series . 20/25A/ Half-Brick DC/DC Converter 24V/48V Input Dual Output | |
| Fabricantes | Power-One | |
| Logotipo |  |
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HHD25 Series – 20/25A, Half-Brick DC/DC Converter
24V/48V Input
Dual Output
Product Brief
Features
Applications
• Distributed power architectures
• Telecommunications equipment
• LAN/WAN applications
• Data processing applications
• 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.
Model
HHD20ZGE
HHD20ZGB
HHD25ZED
HHD25ZEB
HHD20YGE
Input
voltage
range, VDC
36-72
36-72
36-72
36-72
18-36
Selection Chart
Input
Output Output rated
current, voltage, current, ADC
max, ADC VDC
3.6 5.0/3.3
20/20
3.6 5.0/1.8
20/20
3.1 3.3/2.5
25/20
3.1 3.3/1.8
25/20
7.2 5.0/3.3
20/20
Output Ripple
and Noise,
mV p-p
100
100
100
100
100
Typical
Efficiency
%
87
85
85
84
85
REV. 7/01
www.power-one.com
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