ADM1178-1ARMZ-R7(RevPrD) View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADM1178-1ARMZ-R7
(Rev.:RevPrD)
(Rev.:RevPrD)
Analog Devices
ADM1178-1ARMZ-R7 Datasheet PDF : 16 Pages
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Preliminary Technical Data
ADM1178
ADM1178—SPECIFICATIONS
VVCC = 3.15V to 14V, TA = −40°C to +85°C, Typical Values at TA = +25°C unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max Units Conditions
VCC Pin
Operating Voltage Range, VVCC
Supply Current, ICC
Undervoltage Lockout, VUVLO
Undervoltage Lockout Hysteresis, VUVLOHYST
ON Pin
Input Current, IINON
Trip Threshold, VONTH
Trip Threshold Hysteresis, VONHYST
Glitch Filter Time
3.15
14
V
1.6
3
mA
2.8
V
VVCC Rising
25
mV
−100
0
+100 nA
1.3
V
ON rising
80
mV
3
µs
ALERTB Pin
Output low voltage, VALERTOL
Maximum sink current, IALERTMAX
0.05 0.2
V
IALERT = -100µA
-2
mA Maximum sink current allowed to flow in
ALERT pin 0 output state
Input Current, IALERT
SENSE Pin
-1
1
µA VALERT = VCC; in Alert Condition
Input Leakage, ISENSE
Overcurrent Fault Timing Threshold, VOCTIM
Overcurrent Limit Threshold, VLIM
Fast Overcurrent Trip Threshold, VOCFAST
−1
+1 µA
VSENSE = VVCC
85
mV
VOCTRIM = (VVCC − VSENSE), Fault timing starts
on the TIMER pin
90
100
110 mV
VLIM = (VVCC − VSENSE), Closed loop regulation
to a current limit
115 mV
VOCFAST = (VVCC − VSENSE), Gate pulldown
current turned on
GATE Pin
Drive Voltage, VGATE
Drive Voltage, VGATE
Drive Voltage, VGATE
Pullup Current
Pulldown Current
Pulldown Current
TIMER Pin
Pull-Up Current (Power On Reset), ITIMERUPPOR
Pull-Up Current (Fault Mode), ITIMERUPFAULT
Pull-Down Current (Retry Mode), ITIMERDNRETRY
Pull-Down Current, ITIMERDN
Trip Threshold High, VTIMERH
Trip Threshold Low, VTIMERL
ADR Pin
Set address to 00, VADRLOWV
Set address to 01, RADRLOWZ
Set address to 10, IADRHIGHZ
Set address to 11, VADRHIGHV
Input current for 11 decode, IADRLOW
Input current for 00 decode, IADRHIGH
5
6
5
10
−4
−48
1.235
0.18
0
135
−1
2
−40
7
10
V
8
12
V
7
10
V
12
14
µA
2
mA
25
mA
−5
−6 µA
−60
−72 µA
2
2.5 µA
100
µA
1.3
1.365 V
0.2
0.22 V
0.8 V
150
165 kΩ
+1 µA
5.5 V
3
5
µA
−22
µA
VGATE − VVCC, VVCC = 3.15 V
VGATE − VVCC, VVCC = 5 V
VGATE − VVCC, VVCC = 13.2 V
VGATE = 0 V
VGATE = 3 V, VVCC > UVLO
VGATE = 3 V, VVCC < UVLO
Initial Cycle, VTIMER = 1 V
During Current Fault, VTIMER = 1 V
After current fault and during a cool-down
period on a retry device, VTIMER = 1 V
Normal Operation, VTIMER = 1 V
TIMER rising
TIMER falling
Low state
Resistor to ground state, load pin with
specified resistance for 01 decode
Open state, maximum load allowed on
ADR pin for 10 decode
High state
VADR = 2.0 V to 5.5 V
VADR = 0 V to 0.8 V
Rev. PrD | Page 3 of 16
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