MIC2590B 데이터 시트보기 (PDF) - Micrel

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MIC2590B

Dual-Slot PCI Hot Plug Controller

Micrel 

Micrel, Inc.

Test Circuit

SCL

t4

SDA

Data In

SDA

Data Out

t1

t2

t3

Figure 1. SMBus Timing

MIC2590B

t5

VTHFAST

VTHFAST

3VGATE/5VGATE

1V

tOFF3/5

Figure 2. 3V/5V Current Limit Response Timing

ITHFAST

ILIM12[M]

IOUT

tOFF12[M]

Figure 3. +12V/–12V Current Limit Response Timing

IAUX(THRESH) Must Trip

May Not Trip

ILIM(AUX)

IOUT(AUX)

IOUT(AUX)

Figure 4. VAUX Current Limit Threshold

ISC(TRAN)

ILIM(AUX)

IOUT(AUX)

tSC(TRAN)

Figure 5. VAUX Current Limit Response Timing

September 2008

10

M9999-091808

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