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MIC2593_08 Datasheet, PDF (10/26 Pages) Micrel Semiconductor – Dual-Slot PCI Hot Plug Controller
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Micrel, Inc.
Test Circuit
SCL
t4
SDA
Data In
SDA
Data Out
t1
t2
t3
Figure 1. SMBus Timing
MIC2593
t5
VTHFAST
VTHILIMIT
12VGATE
6V
tOFF(12V)
Figure 2. 12V Current Limit Response Timing
IOUT(AUX)
IAUX(THRESH) Must Trip
May Not Trip
IOUT(AUX)
ILIM(AUX)
0 Amps
Figure 4. VAUX Current Limit Threshold
VTHFAST
VTHLIMIT
3VGATE
1V
tOFF3
Figure 3. 3V Current Limit Response Timing
ISC(TRAN)
IOUT(AUX)
ILIM(AUX)
tSC(TRAN)
0 Amps
Figure 5. VAUX Current Limit Response Timing
September 2008
10
M9999-092208
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