MIC2778 Micrel Semiconductor, MIC2778 Datasheet - Page 10

• Manufacturer Part Number: MIC2778
• Description: Mic2778 Voltage Monitor With Adjustable Hysteresis
• Manufacturer: Micrel Semiconductor

Timing Diagrams
March 2005
Figure 2. 12V Current Limit Response Timing
Figure 4. VAUX Current Limit Threshold
V
IN
I
0
– V
0V
I
OUT(AUX)
SENSE
V
V
12VGATE
THFAST
THILIMIT
t
OFF(12V)
I
AUX(THRESH)
May Not Trip
I
OUT(AUX)
Data Out
Must Trip
Data In
SDA
SDA
SCL
6V
I
LIM(AUX)
t
4
t
Figure 1. SMBus Timing
t
t
1
t
2
10
Figure 5. VAUX Current Limit Response Timing
Figure 3. 3V Current Limit Response Timing
V
IN
– V
0V
t
3
SENSE
I
O
V
V
3VGATE
I
THFAST
THILIMIT
OUT(AUX)
I
SC(TRAN)
t
SC(TRAN)
t
OFF(3V)
t
5
I
LIM(AUX)
1V
t
M9999-033105
t