Datasheet

Data Sheet ADM1176
Rev. C | Page 3 of 24
SPECIFICATIONS
V
CC
= 3.15 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 Min Typ Max Unit Conditions
VCC PIN
Operating Voltage Range, V
CC
3.15 16.5 V
Supply Current, I
CC
1.7 2.5 mA
Undervoltage Lockout, V
UVLO
2.8 V VCC rising
Undervoltage Lockout Hysteresis, V
UVLOHYST
80 mV
ON PIN
Input Current, I
INON
−100 +100 nA ON < 1.5 V
−2 +2 µA
Rising Threshold, V
ONTH
1.26 1.3 1.34 V ON rising
Trip Threshold Hysteresis, V
ONHYST
35
50
65
mV
Glitch Filter Time 3 µs
SENSE PIN
Input Leakage, I
SENSE
−1
+1
µA
V
SENSE
= V
CC
Overcurrent Fault Timing Threshold, V
OCTRIM
92 mV V
OCTRIM
= (V
CC
− V
SENSE
), fault timing starts on
the TIMER pin
Overcurrent Limit Threshold, V
LIM
97 100 103 mV V
LIM
= (V
CC
− V
SENSE
), closed-loop regulation
to a current limit
Fast Overcurrent Trip Threshold, V
OCFAST
115 mV V
OCFAST
= (V
CC
− V
SENSE
), gate pull-down
current turned on
GATE PIN
Drive Voltage, V
GAT E
3 6 9 V V
GAT E
− V
CC
, V
CC
= 3.15 V
9 11 13 V V
GAT E
− V
CC
, V
CC
= 5 V
7 10 13 V V
GAT E
− V
CC
, V
CC
= 16.5 V
Pull-Up Current 8 12.5 17 µA V
GAT E
= 0 V
Pull-Down Current 1.5 mA V
GAT E
= 3 V, V
CC
= 3.15 V
5
mA
V
GAT E
= 3 V, V
CC
= 5 V
7
mA
V
GAT E
= 3 V, V
CC
= 16.5 V
TIMER PIN
Pull-Up Current (Power-On Reset), I
TIMERUPPOR
−3.5 −5 −6.5 µA Initial cycle, V
TIMER
= 1 V
Pull-Up Current (Fault Mode), I
TIMERUPFAULT
−40 −60 −80 µA During current fault, V
TIMER
= 1 V
Pull-Down Current (Retry Mode), I
TIMERDNRETRY
2 3 µA After current fault and during a cooldown
period on a retry device, V
TIMER
= 1 V
Pull-Down Current, I
TIMERDN
100 µA Normal operation, V
TIMER
= 1 V
Trip Threshold High, V
TIMERH
1.26 1.3 1.34 V TIMER rising
Trip Threshold Low, V
TIMERL
0.175
0.2
0.225
V
TIMER falling
A0 PIN, A1 PIN
Set Address to 00, V
ADRLOWV
0 0.8 V Low state
Set Address to 01, R
ADRLOWZ
135 150 165 kΩ Resistor to ground state, load pin with
specified resistance for 01 decode
Set Address to 10, I
ADRHIGHZ
−1 +1 µA Open state, maximum load allowed on
the A0 pin and the A1 pin for 10 decode
Set Address to 11, V
ADRHIGHV
2 5.5 V High state
Input Current for 00 Decode, I
ADRLOW
−40 −22 µA V
ADR
= 0 V to 0.8 V
Input Current for 11 Decode, I
ADRHIGH
3
10
µA
V
ADR
= 2.0 V to 5.5 V