Data Sheet
March 25, 2008
EQD075 Series Single Output: Eighth Brick Power Modules:
18-60Vdc Input; 3.3 to 5.0Vdc Output; 75W
Characteristic Curves
(continued)
The following figures provide typical characteristics for EQD075A at T
A
= 25
O
C
INPUT CURRENT, I
IN
(A)
Io = 15A
4
Io = 7.5A
3
Io = 0A
2
ON/OFF VOLTAGE
1
0
15
25
35
45
55
65
INPUT VOLTAGE, V
IN
(V)
V
On/off
(V) (5V/div)
V
O
(V) (2V/div)
5
O
UTPUT VOLTAGE
6
TIME, t (5 ms/div)
Figure7. Typical Input characteristics at room
temperature (V
o
= 5V).
95
Vin = 18V
90
Figure 10. Typical Start-Up Characteristics from
Remote ON/OFF (V
o
= 5V, I
o
= 15A, V
in
= 48V)
OUTPUT VOLTAGE
OUTPUT CURRENT
15
EFFICIENCY,
η
(%)
Vin = 60V
85
Vin = 48V
80
Vin = 24V
75
70
0
5
10
OUTPUT CURRENT, I
O
(A)
I
O
(A) (5A/div)
V
O
(V) (100 mV/div)
TIME, t (0.2ms/div)
Figure 8. Typical Converter Efficiency versus Output
Current at room temperature (V
o
= 5V).
Figure 11. Transient Response to a Dynamic Load
Change from 50% to 75% to 50% of full load
(5V@15A) at V
in
=48V.
OUTPUT VOLTAGE
OUTPUT CURRENT
V
O
(V) (100 mV/div)
I
O
(A) (5A/div)
OUTPUT VOLTAGE
V
O
(V) (50mV/div)
TIME, t (1
μs/div)
TIME, t (0.2ms/div)
Figure 9. Typical Output Ripple and Noise at V
o
= 5V
and I
o
= 15A.
Figure 12. Transient Response to a Dynamic Load
Change from 50% to 75% to 50% of full load
(5V@15A) at V
in
=24V.
7
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
