Specifications
General Specifications
Operating Temperature -20°C to +100°C baseplate
Storage Temperature
Relative Humidity
–40°C to +100°C
10% to 95% RH,
Non–condensing
Vibration
10–500Hz 0.75g peak
130gm, maximum
UL94V–2
Weight
Material Flammability
Safety
MTBF
UL 1950, CSA C22.2 No. 950 approved1
MIL–HDBK–217
500,000 hours2
Notes: 1. Requires one fuse located in either the plus or minus side of the 48V
supply; fuse rated for 7A max for all conditions.
2. 80% load; 70°C baseplate.
Input Characteristics
Baseplate Temperatures from 0°C to +100°C.
Parameter
Test Condition
Requirement
Min Max
Unit
Name
Var
Symbol
Input Voltage
V
36
30
80
–
72
35
90
2.5
–
V
V
I
Input Low Line Power On V
Input Low Line Power Off V
No Load Input Power
Input Capacitor
VI
Module Power On
Module Shutdown
on
off
VI
%VI
W
on
PIL
VI=VI
nom
rated 80V min
250
µF
(external to the converter)
Input Current
1.5V
2.2V
3.3V
5.0V
II
II
II
II
VI = 36V, IO = 60A, VO = 1.5V
VI = 36V, IO = 60A, VO = 2.2V
VI = 36V, IO = 50A, VO = 3.3V
VI = 36V, IO = 40A, VO = 5.0V
–
–
–
–
4.0
5.2
5.6
6.3
A
A
A
A
Inrush Transient
Efficiency
VI = 48V, IO = IO
max rated
A2s
%
%
%
%
–
1.0
–
1.5V
2.2V
3.3V
5.0V
VO = VO
, IO = IO
, VI=VI
nom
66
nom
rated
74
77
80
–
–
–
–
Reflected Input Ripple
Maximum Losses at
Local Sense
VI = 48V, IO = Io max rated, CI = 250µF
VI = 48V, VO = VO
2.5
44
44
42
42
A
p-p
1.5V
2.2V
3.3V
5.0V
P
–
W
d
nom
IO = IO
, TC = 70°C
–
W
W
W
max rated
ase
–
–
Hercules Series, Page 2
Part No. 98–002 Rev. 1.1
WWW.GALAXYPWR.COM
GALAXY [ GALAXY POWER, INC. ]
