Datasheet

Data Sheet ADM1275
Rev. D | Page 17 of 48
0
20
40
60
80
100
120
140
160
180
200
220
240
FOLDBACK CLAMP (mV)
TEMPERATURE (°C)
08931-027
V
CC
= 12V
–40 –200 20406080
Figure 26. Foldback Clamp vs. Temperature
0
25
50
75
100
125
150
175
200
225
250
275
300
325
350
375
400
220
OC RESPONSE TIME (ns)
V
CC
(V)
08931-128
4 6 8 10 12 14 16 18
+85°C
–40°C
+25°C
Figure 27. Severe Overcurrent Response Time vs. Supply Voltage (V
CC
),
V
ISET
= 0.25 V
0
25
50
75
100
125
150
175
200
225
250
275
300
325
350
375
400
OC RESPONSE TIME (ns)
V
CC
(V)
08931-129
2204 6 8 1012141618
+85°C
+25°C
–40°C
Figure 28. Severe Overcurrent Response Time vs. Supply Voltage (V
CC
),
V
ISET
= 1 V
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
220
V
CBOS
(mV)
V
CC
(V)
–40°C
08931-130
+85°C
+25°C
4 6 8 10 12 14 16 18
Figure 29. Circuit Breaker Offset (V
CBOS
) vs. Supply Voltage (V
CC
)
0
5
10
15
20
25
30
V
SENSECL
(mV)
TEMPERATURE (°C)
–40
08931-131
–200 20406080
V
CC
= 12V
Figure 30. Hot-Swap Sense Voltage Current Limit (V
SENSECL
)
vs. Temperature
0
5
10
15
20
25
30
1.11.00.90.80.70.60.50.40.30.20.10
V
SENSECL
(mV)
V
FLB
(V)
T
A
= 25°C
08931-132
Figure 31. Hot-Swap Sense Voltage Current Limit (V
SENSECL
)
vs. Foldback Voltage (V
FLB
)