Datasheet

ADM1275 Data Sheet
Rev. D | Page 18 of 48
0
5
10
15
20
25
30
35
40
45
50
V
SENSEOC
(mV)
V
CC
(V)
08931-133
T
A
= 25°C
2 4 6 8 10 12 14 16 18 20
Figure 32. Severe Overcurrent Voltage Threshold (V
SENSEOC
)
vs. Supply Voltage (V
CC
), V
ISET
= V
VCAP
15
10
5
0
20
25
30
35
40
45
50
V
SENSEOC
(mV)
V
CC
= 12V
TEMPERATURE (°
C)
08931-144
–40
–20
0
20
40
60
80
Figure 33. Severe Overcurrent Voltage Threshold (V
SENSEOC
)
vs. Temperature, V
ISET
= V
VCAP
0 1 2
3 4 5 6 7 8 9 10 11 12
0
50
100
150
08931-134
I
SENSEx
(µA)
V
SENSEx
(V)
Figure 34. SENSE+/SENSE− Input Current (I
SENSEx
) vs. Voltage (V
SENSEx
)
0
5
10
15
20
0
–2
–4
–6
–8
–10
–12 –14
–16 –18 –20
–22
–24
–26
Δ
V
GATE
(V)
I
GATEUP
(µA)
V
CC
= 2.95V
V
CC
= 12V
V
CC
= 20V
08931-135
Figure 35. Gate Drive Voltage (ΔV
GATE
) vs. Gate Pull-Up Current (I
GATEUP
)
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0 1 2 3
4 5 6
7 8 9 10
V
OL_PWRGD
(V)
I
OL
(mA)
V
CC
= 2.95V
V
CC
= 12V
08931-136
Figure 36. PWRGD Pin, V
OL_PWRGD
vs. I
OL
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
V
OL
(V)
V
CC
= 2.95V
V
CC
= 12V
08931-137
0 1 2 3 4 5 6 7 8 9 10
I
OL
(mA)
Figure 37.
LATCH
and GPOx/
ALERTx
Digital Outputs, V
OL
vs. I
OL