MIC2580A Просмотр технического описания (PDF) - Micrel

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Компоненты Описание

производитель

MIC2580A

Hot-Swap PCI Power Controller

Micrel 

MIC2580A

Timing Diagrams

/ON

+5V

5VOUT

0V

+3.3V

3VOUT

0V

+12V

12VOUT

0V

0V

M12VOUT

–12V

/PWRGD

/FAULT

/POR

tRESET

Figure 1. Controller Timing: Normal Cycle

Micrel, Inc.

/ON

+5V

5VOUT

0V

+3.3V

3VOUT

0V

+12V

12VOUT

Short Circuit

0V

0V

M12VOUT

–12V

/PWRGD

/FAULT

tSTART

/POR

Figure 2. Controller Timing: Enable Into Short

/ON

+5V

5VOUT

0V

+3.3V

3VOUT

0V

+12V

12VOUT

Fault

Circuit Breaker

Reset

0V

0V

M12VOUT

–12V

/PWRGD

/FAULT

Figure 3. Controller Timing: Short on 5V

VIN

+5V

/EPWRGD

0V

t/good

}1V

tgood

VPGTH

Figure 4. Early Power Good Response Time

MIC2580A

6

February 2005

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