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GHPW5V020 Datasheet(PDF) 2 Page - Galaxy Power, Inc.

Part No. GHPW5V020
Description  Very High Efficiency DC/DC Converter 24/48V Input, 1.5V, 1.8V, 2.0V, 2.5V, 3.3V DC, 30A Output or 5.0V DC, 20A Output
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Maker  GALAXY [Galaxy Power, Inc.]
Homepage  http://www.galaxypwr.com
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GHPW5V020 Datasheet(HTML) 2 Page - Galaxy Power, Inc.

   
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Pisces Series, Page 2
WWW.GALAXYPWR.COM
Part No. 99-002 Rev. 4.0–093003
General Specifications
Operating Temperature
-40
°C to +100°C
Storage Temperature
-55
°C to +125°C
Relative Humidity
10% to 95% RH,
Non-condensing
Vibration
2 to 9Hz, 3mm disp.,
9 to 200Hz 1g
Material Flammability
UL V-0
Weight
35 grams
MTBF
Telcordia (Bellcore)
1,600,000 hours
General Specifications
VIN = 48VDC, TA@25°C, 300 LFM Airflow, VOUT=3.3V, IOUT = Full Load unless otherwise noted.
Available output power depends on ambient temperature and good thermal management. (See application graphs for limits.)
Input Characteristics
Parameter
Min
Typ
Max
Units
Operating Input Voltage
36
48
75
VDC
Input Current (Model Dependent)
5
A
Input Capacitance
4.5
µF
Input Hysteresis, Low Line
2
VDC
Output Characteristics
Regulation Over Line, Load & Temperature
98
102
%VNOM
Voltage Ripple
20
mV RMS
Voltage Ripple, 20MHz BW
150
mV P–P
Current Range
0
30
A
Current Limit Inception
31
37
A
Short Circuit Current, Peak (see Note below)
41
A
Output Transient Response, 50% to 75% load change, 1A/
µsec
5
%VOUT
Settling Time to
±1%
300
µS
Turn-on Time to 98%Vnom
35
mS
Output Overshoot at Turn-on
1
%VOUT
Trim Range
90
110
%VOUT
Overvoltage Protection, Latching
130
%VOUT
Isolation
Isolation Test Voltage, Input/Output (Basic)
2000
VDC
Isolation Resistance
10
M
Features
Overtemperature Protection, Thermal Sensor, Latching*
117
°C
Switching Frequency, Fixed
200
kHz
Notes: During short circuit, converter will shut down and attempt to restart once per second. The average current during this
condition will be very low and the device can be safely left in this condition continuously. For specific output voltage
specifications, see the corresponding detailed data sheet.
*PCB less than 130
°C
Approvals and Standards
UL and c-UL Recognized Component, TUV,
UL60950, CSA 22.2 No. 950, IEC/EN 60950**
EMC Characteristics:
Designed to meet emission and immunity
requirements per EN55022, CISPR 22, Class B,
and CISPR 24.
** An external fuse shall be used to comply with the
requirements.


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