9
POWER MANAGEMENT
SC4250
Typical Characteristics (Cont.)
The following set of snapshots demonstrates effectiveness of SC4250 circuit in the case where connection to the live
back plane is very bouncy , which is usually the situation with manual replacements of the power cards.
For all figures, Ch1: V
DRAIN
; Ch2: V
GATE
; Ch3: PWRGD (referenced to V
DRAIN
); Ch4: V
R4
(Input current)
Figure 7. Start-up with no load.
Figure 8. Start-up with 1A load.
Figure 9. Start-up with over the limit load.
Figure 10. Over-current/Short circuit.
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