Instruction Manual
GE
Data Sheet
SHHD003A0A Hammerhead
Series; DC-DC Converter Power Modules
18-75Vdc Input; 5.0Vdc, 3A, 15W Output
June 26, 2013 ©2012 General Electric Company. All rights reserved. Page 5
Characteristic Curves
The following figures provide typical characteristics for the SHHD003A0A (5.0V, 3.0A) at 25
o
C. The figures are identical for either
positive or negative remote On/Off logic.
EFFICIENCY, (%)
INPUT CURRENT, I
IN
(A)
OUTPUT CURRENT, I
O
(A)
INPUT VOLTAGE, V
IN
(V)
Figure 1. Converter Efficiency versus Output Current.
Figure 2. Converter Input Current versus Input Voltage.
OUTPUT VOLTAGE
V
O
(V) (100mV/div)
OUTPUT CURRENT OUTPUT VOLTAGE
Io(A) (2A/div) V
O
(V) (100mV/div)
TIME, t (2s/div)
TIME, t (1ms/div)
Figure 3. Typical output ripple and noise (I
o
= I
o,max
).
Figure 4. Transient Response to 0.1A/µS Dynamic Load
Change from 50% to 75% to 50% of full load, Vin=24V.
O
UTPUT V
O
LTA
G
E
O
n
/Off
V
O
LTA
G
E
V
O
(V) (2V/div) V
On/Off
(V) (2V/div)
OUTPUT VOLTAGE INPUT VOLTAGE
V
O
(V) (2V/div) V
IN
(V) (20V/div)
TIME, t (5ms/div) TIME, t (5ms/div)
Figure 5.Typical Start-up Using Remote On/Off, negative
logic version shown (V
IN
= 24V or 48V, Io = I
o,max
).
Figure 6. Typical Start-up Using Input Voltage (V
IN
= 48V, I
o
=
I
o,max
).