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