GE Industrial Solutions EHHD020A0F Hammerhead Series - Manual (Page 3)

GE Data Sheet
EHHD020A0F Hammerhead™ Series; DC-DC Converter Power Modules
18-75Vdc Input; 3.3Vdc, 20.0A, 66W Output
April 4, 2013 ©2012 General Electric Company. All rights reserved. Page 3
Electrical Specifications (continued)
Parameter Device Symbol Min Typ Max Unit
Nominal Output Voltage Set-point
All V
O, set
3.24 3.30 3.36 V
dc
V
IN
= 24V to 48V I
O
=I
O, max
, T
A
=25°C)
Output Voltage
All V
O
3.20  3.40 V
dc
(Over all operating input voltage, resistive load, and temperature
conditions until end of life)
Output Regulation
Line (V
IN
=V
IN, min
to V
IN, max
) All   ±0.2 % V
O, set
Load (I
O
=I
O, min
to I
O, max
) All   ±0.2 % V
O, set
Temperature (T
ref
=T
A, min
to T
A, max
) All   ±1.0 % V
O, set
Output Ripple and Noise
(V
IN
=V
IN, min
to V
IN, max
, I
O
= I
O, max
, T
A
=T
A, min
to T
A, max
)
RMS (5Hz to 20MHz bandwidth) All  10 30 mV
rms
Peak-to-Peak (5Hz to 20MHz bandwidth) All  35 100 mV
pk-pk
External Capacitance All C
O, max
0  5,000 μF
Output Current All I
O
0 20 A
dc
Output Current Limit Inception (Hiccup Mode )
All I
O, lim 21 24 26 A
dc
(V
O
= 90% of V
O, set
)
Output Short-Circuit Current
All I
O, s/c
5 A
rms (V
O
≤250mV) ( Hiccup Mode )
Efficiency
V
IN
=24V, T
A
=25°C, I
O
=10A, V
O
= 3.3V All η 91.0 %
V
IN
=24V, T
A
=25°C, I
O
=20A, V
O
= 3.3V All η 91.0 %
V
IN
=48V, T
A
=25°C, I
O
=10A, V
O
= 3.3V All η 89.5 %
V
IN
=48V, T
A
=25°C, I
O
=20A, V
O
= 3.3V All η 91.0 %
Switching Frequency All f
sw
300 kHz
Dynamic Load Response
(dI
o
/dt=0.1A/s; V
IN
= 24V or 48V; T
A
=25°C; C
O
>100μF)
Load Change from Io= 50% to 75% or 25% to 50% of I
o,max
Peak Deviation All V
pk
 5  % V
O, set
Settling Time (Vo<10% peak deviation) All t
s
 200  s
Isolation Specifications
Parameter Device Symbol Min Typ Max Unit
Isolation Capacitance All C
iso
 1000  pF
Isolation Resistance All R
iso
100   MΩ
I/O Isolation Voltage (100% factory Hi-pot tested) All All   2250 V
dc
General Specifications
Parameter Device Symbol Min Typ Max Unit
Calculated Reliability based upon Telcordia SR-332 Issue 2: Method I
Case 3 (I
O
=80%I
O, max
, T
A
=40°C, airflow = 200 lfm, 90% confidence)
All FIT 317.3 10 9 /Hours
All MTBF 3,151,604 Hours
Weight (Open Frame) All 19 (0.7) g (oz.)
Weight (with Heatplate) All 30 (1.1) g (oz.)