Datasheet

Data Sheet ADM1171
Rev. A | Page 3 of 16
SPECIFICATIONS
V
CC
= 2.7 V to 16.5 V, T
A
= −40°C to +85°C, typical values at T
A
= 25°C, unless otherwise noted.
Table 1.
Parameter Symbol Min Typ Max Unit Conditions
V
CC
PIN
Operating Voltage Range V
CC
2.7 16.5 V
Supply Current I
CC
0.65 0.8 mA
Undervoltage Lockout V
UVLO
2.4 2.525 2.65 V V
CC
rising
Undervoltage Lockout Hysteresis V
UVLOHYS
40 mV
ON (ON-
CLR
) PIN
Input Current I
INON
−1 0 +1 µA
Threshold V
ON
1.22 1.3 1.38 V ON rising
Threshold Hysteresis V
ONHYST
50 mV
SENSE PIN
Hot Swap Operating Range 2.7 16.5 V
Input Current I
INSENSE
5 10 15 µA
Circuit Breaker Limit Voltage
V
CB
44
50
56
mV
V
CB
= (V
CC
− V
SENSE
)
GATE PIN
Drive Voltage V
GAT E
4.6 7.5 10 V V
GAT E
− V
CC
, V
CC
= 3.0 V
6.0 8 12 V V
GAT E
− V
CC
, V
CC
= 3.3 V
8.75 10 12 V V
GAT E
− V
CC
, V
CC
= 5 V
7.5 9 12 V V
GAT E
− V
CC
, V
CC
= 12 V
5.56 8 12 V V
GAT E
− V
CC
, V
CC
= 15 V
Pull-Up Current −6.5 −12 −14.5 μA V
GAT E
= 0 V
Pull-Down Current 4 mA V
GAT E
= 3 V, V
CC
= 5 V, ON (ON-
CLR
) = low
Pull-Down Current 25 mA V
GAT E
= 3 V, V
CC
< UVLO
TIMER PIN
Pull-Up Current
I
TIMERUP
−2
−5
−8.5
µA
Initial cycle, V
TIMER
= 1 V
−25 −60 −100 µA During current fault, V
TIMER
= 1 V
Pull-Down Current I
TIMERDN
2 3.5 µA After Cct breaker tip, V
TIMER
= 1 V
100 µA Normal operation, V
TIMER
= 1 V
Threshold High V
TIMERH
1.22 1.3 1.38 V TIMER rising
Threshold Low V
TIMERL
0.15 0.2 0.25 V TIMER falling
SS PIN
Soft Start Pull-up Current 10 µA
Current Setting Gain
20
V/V
V
SS
/V
SENSE
Soft Start Completion Voltage 1 V
Pull-Down Current 50 µA During fault
CSOUT PIN
Total Output Voltage Error −5 0 +5 % V
CC
− SENSE = 50 mV
Gain 20 V/V V
CC
− SENSE = 10 mV to 50 mV
Gain Accuracy 0 ±2.5 %
Offset ±1 mV
Output Impedance 14 kΩ
t
OFF
Turn-Off Time (TIMER Rise to GATE Fall) 2 µs V
TIMER
= 0 V to 2 V step, V
CC
= V
ON
= 5 V
Turn-Off Time (ON Fall to GATE Fall) 40 µs V
ON
= 5 V to 0 V step, V
CC
= 5 V
Turn-Off Time (V
CC
Fall to IC Reset) 40 µs V
CC
= 5 V to 2 V step, V
ON
= 5 V