Delta Electronics Q48SP - Manual (Page 3)

DS_Q48SP12017_05302008
3
ELECTRICAL CHARACTERISTICS CURVES
70
72
74
76
78
80
82
84
86
88
90
92
94
2 4 6 8 10 12 14 16 18
OUTPUT CURRENT(A)
E
F
F
ICI
E
N
CY
(%
)
36V 48V 75V
0
2
4
6
8
10
12
14
16
18
20
2 4 6 8 10 12 14 16 18
OUTPUT CURRENT(A)
LO
S
S(
W
)
36V 48V 75V
Figure 1: Efficiency vs. load current for minimum, nominal, and
maximum input voltage at 25°C.
Figure 2: Power dissipation vs. load current for minimum,
nominal, and maximum input voltage at 25°C.
Figure 3: Turn-on transient at zero load current. Top Trace:
Vout; 5V/div; Bottom Trace: ON/OFF input: 2V/div
Figure 4: Turn-on transient at load full rated current. Top Trace:
Vout: 5V/div; Bottom Trace: ON/OFF input: 2V/div