Rainbow Electronics MAX5051 User Manual
Page 19
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MAX5051
Parallelable, Clamped Two-Switch
Power-Supply Controller IC
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19
1
0
2
4
3
6
7
5
8
0
4
6
2
8
10
12
14
LOAD CURRENT (A)
POWER DISSIPATION (W)
Figure 9. Efficiency at Nominal Output Voltage vs. Load
Current 48V Nominal Input Voltage
60
65
75
70
85
90
80
95
0
4
6
2
8
10
12
14
LOAD CURRENT (A)
EFFICIENCY (%)
Figure 10. Power Dissipation at Nominal Output Voltage vs.
Load Current for 48V Input Voltage.
R
L
= 0.22
Ω
4ms/div
I
OUT
5A/div
V
OUT
1V/div
Figure 11. Turn-On Transient at Full Load (Resistive Load)
V
OUT
100mV/div
50% > 75% > 50% OF I
OUT(MAX)
, dl/dt = 5A/
µs
I
OUT
5A/div
1ms/div
Figure 12. Output Voltage Response to Step-Change in Load
Current
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