Rainbow Electronics MAX5051 - Manual (Page 19)

MAX5051
Parallelable, Clamped Two-Switch
Power-Supply Controller IC
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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