Datasheet

ADM1075 Data Sheet
Rev. B | Page 6 of 52
Parameter Min Typ Max Unit Test Conditions/Comments
Constant Power Active 9.4 10 11.0 mV V
ISET
> 1.65 V; V
GATE
= 3 V; I
GATE
= 0 μA; V
SS
≥ 2 V; V
PLIM
= 0.2 V
4.5 5 5.7 mV V
ISET
> 1.65 V; V
GATE
= 3 V; I
GATE
= 0 μA; V
SS
≥ 2 V; V
PLIM
= 0.4 V
1.4 2 2.6 mV V
ISET
> 1.65 V; V
GATE
= 3 V; I
GATE
= 0 μA; V
SS
≥ 2 V; V
PLIM
= 1.2 V
Circuit Breaker Offset, V
CBOS
0.6 0.75 0.95 mV Circuit breaker voltage, V
CB
= V
SENSECL
− V
CBOS
Severe Overcurrent Activates high current gate pull-down
Voltage Threshold, V
SENSEOC
23 25 27 mV V
ISET
> 1.65 V; V
SS
≥ 2 V; optional select through PMBus
28 30 32 mV V
ISET
> 1.65 V; V
SS
≥ 2 V; default at power-up
38
40
42
mV
V
ISET
> 1.65 V; V
SS
≥ 2 V; optional select through PMBus
43 45 47 mV V
ISET
> 1.65 V; V
SS
≥ 2 V; optional select through PMBus
Response Time
Glitch Filter Duration 50 200 ns V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 18 mV to 52 mV;
optional select through PMBus
500
900
ns
V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 18 mV to 52 mV;
default at power-up
6.2 10.7 µs V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 18 mV to 52 mV;
optional select through PMBus
44 57 µs V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 18 mV to 52 mV;
optional select through PMBus
Total Response Time 180 300 ns V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 18 mV to 52 mV;
optional select through PMBus
610 950 ns V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 18 mV to 52 mV;
default at power-up
7 13 µs V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 18 mV to 52 mV;
optional select through PMBus
45 60 µs V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 18 mV to 52 mV;
optional select through PMBus
ADM1075-2 ONLY (GAIN = 25)
Hot Swap Sense Voltage
Hot Swap Sense Voltage Current Limit,
V
SENSECL
39.2 40 40.8 mV V
ISET
> 1.65 V; V
GATE
= 3 V; I
GATE
= 0 μA; V
SS
≥ 2 V; V
PLIM
= 0 V
49.2 50 50.8 mV V
ISET
= 1.25 V; V
GATE
= 3 V; I
GATE
= 0 μA; V
SS
≥ 2 V; V
PLIM
= 0 V
39.2 40 40.8 mV V
ISET
= 1.0 V; V
GATE
= 3 V; I
GATE
= 0 μA; V
SS
≥ 2 V; V
PLIM
= 0 V
29.2 30 30.8 mV V
ISET
= 0.75 V; V
GATE
= 3 V; I
GATE
= 0 μA; V
SS
≥ 2 V; V
PLIM
= 0 V
Constant Power Active 19 20 21.9 mV V
ISET
> 1.65 V; V
GATE
= 3 V; I
GATE
= 0 μA; V
SS
≥ 2 V; V
PLIM
= 0.2 V
9.2
10
11.2
mV
V
ISET
> 1.65 V; V
GATE
= 3 V; I
GATE
= 0 μA; V
SS
≥ 2 V; V
PLIM
= 0.4 V
3 4 5.0 mV V
ISET
> 1.65 V; V
GATE
= 3 V; I
GATE
= 0 μA; V
SS
≥ 2 V; V
PLIM
= 1.2 V
Circuit Breaker Offset, V
CBOS
1.1 1.5 1.9 mV Circuit breaker voltage, V
CB
= V
SENSECL
− V
CBOS
Severe Overcurrent Activates high current gate pull-down
Voltage Threshold, V
SENSEOC1
46 50 54 mV V
ISET
> 1.65 V; V
SS
≥ 2 V; optional select through PMBus
56 60 64 mV V
ISET
> 1.65 V; V
SS
≥ 2 V; default at power-up
76 80 84 mV V
ISET
> 1.65 V; V
SS
≥ 2 V; optional select through PMBus
86 90 94 mV V
ISET
> 1.65 V; V
SS
≥ 2 V; optional select through PMBus
Response Time
Glitch Filter Duration 50 200 ns V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 36 mV to 104 mV;
optional select through PMBus
400 900 ns V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 36 mV to 104 mV;
default at power-up
6.2
10.7
µs
V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 36 mV to 104 mV;
optional select through PMBus
44 57 µs V
ISET
> 1.65 V; V
SS
≥ 2 V; V
SENSE
step from 36 mV to 104 mV;
optional select through PMBus