MIC2590B Micrel Semiconductor, MIC2590B Datasheet - Page 10

• Manufacturer Part Number: MIC2590B
• Description: Dual-Slot PCI Hot Plug Controller
• Manufacturer: Micrel Semiconductor

MIC2590B
Timing Diagrams
MIC2590B
Figure 3. +12V/–12V Current Limit Response Timing
I
OUT
3VGATE/5VGATE
I
LIM12[M]
SCL
SDA
Data In
SDA
Data Out
t
I
OFF12[M]
V
THFAST
THFAST
t
4
Figure 2. 3V/5V Current Limit Response Timing
Figure 5. VAUX Current Limit Response Timing
I
OUT(AUX)
Figure 1. SMBus Timing
I
SC(TRAN)
t
SC(TRAN)
t
1
V
THFAST
t
OFF35
t
2
10
t
3
I
OUT(AUX)
I
LIMAUX
Figure 4. VAUX Current Limit Threshold
1V
I
AUX(THRESH)
May Not Trip
I
OUT(AUX)
Must Trip
t
5
August 2002
I
LIM(AUX)
Micrel