SC4250LISTR Ver la hoja de datos (PDF) - Semtech Corporation

Número de pieza

componentes Descripción

Fabricante

SC4250LISTR

Negative Voltage Hot Swap Controller

Semtech Corporation 

SC4250

POWER MANAGEMENT

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: VDRAIN; Ch2: VGATE; Ch3: PWRGD (referenced to VDRAIN); Ch4: VR4 (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.

 2005 Semtech Corp.

9

www.semtech.com

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