General Specifications
V
IN
= 48V , T @25 ° C, 300 LFM airflow, V
= 53V, I
= Full Load unless otherwise noted. C
= 180µF Al-Elec
DC
A
OUT
OUT
OUT
Available output power depends on ambient temperature and good thermal management. (See application graphs for limits.)
Input Characteristics
Parameter
Min
38
Typ
Max
55
Units
V
Operating Voltage Range
42
Input Current, No Load @48Vin
Input Current, Full Load @48Vin
Input Current, Maximum Low Line
Input Capacitance
0.05
9.35
0.11
9.55
13
A
A
A
8
2
µF
VDC
Input Hysteresis, Low Line
Output Characteristics
Regulation Over Line, Load & Temperature
Voltage Ripple
2
50
150
50
30
8
%VNOM
VRMS
mVP-P
mVP-P
mVP-P
A
Voltage Ripple, 500kHz BW, 1µF ext cap
Voltage Ripple, 500kHz – 1MHz, 1µF ext cap
Voltage Ripple, >1MHz, 1µF ext cap
Current Range
120
0
9
Current Limit Inception, Latching
Output Transient Response, 25% to 75% load change, 1A/µsec
Settling Time to ± 1%
11
3
A
%
400
50
0
µS
Turn-on Time to 98% Vnom
Output Overshoot at Turn-on
Trim Range
mS
%VOUT
V
42
57
56
60
Overvoltage Protection, Latching
58.5
270
VDC
1
Isolation
Isolation Test Voltage, Input/Output (Basic)
Isolation Resistance
2250
10
VDC
MΩ
Features
2
Overtemperature Protection, Thermal Sensor, Auto-restart
98
105
° C
Input, Output Ripple Frequency, Fixed
kHz
Notes:
1. Isolation: Output to Case = 2000VDC; Input to Case = 1000VDC; Input to Output = 2250VDC
2. PCB less than 130° C
General Specifications
Approvals and Standards
Operating Temperature
Storage Temperature
Relative Humidity
–40° C to +100° C
–55° C to +125° C
UL and c-UL Recognized Component,
TUV, UL1950, CSA 22.2 No. 950,
IEC/EN60950** pending.
10% to 95% RH,
Non-condensing
EMC Characteristics:
Designed to meet emission and immunity
requirements per EN55022, CISPR22,
Class B and CISPR24.
** An external fuse shall be used to comply with the
requirements.
Vibration
2 to 9Hz, 3mm disp.,
9 to 200Hz 1g
Material Flammability
Weight
UL V-0
TBD
MTBF
BELLCORE TR-332
1,600,000 hours
GHBW53V08A – 2
WWW.GALAXYPWR.COM
Part No. 02-GHB-03 Rev. 0.94– 031605
Galaxy Power Inc. 155 Flanders Road Westborough, MA 01581 Telephone: 508-870-9775 Fax: 508-870-9796 e-mail: info@galaxypwr.com
GALAXY [ GALAXY POWER, INC. ]
