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ADM1177 bảng dữ liệu(PDF) 3 Page - Analog Devices

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Giải thích chi tiết về linh kiện  Hot Swap Controller and Digital Power Monitor with Soft Start Pin
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ADM1177 bảng dữ liệu(HTML) 3 Page - Analog Devices

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Data Sheet
ADM1177
Rev. C | Page 3 of 24
SPECIFICATIONS
VCC = 3.15 V to 16.5 V; TA = −40°C to +85°C; typical values at TA = 25°C, unless otherwise noted.
Table 1.
Parameter
Min
Typ
Max
Unit
Conditions
VCC PIN
Operating Voltage Range, VCC
3.15
16.5
V
Supply Current, ICC
1.7
2.5
mA
Undervoltage Lockout, VUVLO
2.8
V
VCC rising
Undervoltage Lockout Hysteresis, VUVLOHYST
80
mV
ON PIN
Input Current, IINON
−100
+100
nA
ON < 1.5 V
−2
+2
µA
Rising Threshold, VONTH
1.26
1.3
1.34
V
ON rising
Trip Threshold Hysteresis, VONHYST
35
50
65
mV
Glitch Filter Time
3
µs
SS PIN
Pull-Up Current, IISSPU
10
µA
VSS = 0 V to 1 V
Current Setting Gain, GAINSS
9.5
10
10.5
V/V
VSS/VCB; VSS = 0.5 V to 1 V
Soft Start Completion Voltage, SSHIGHV
1
V
SS continues to pull up beyond 1 V
Pull-Down Current, IISSPD
70
µA
Under fault
SENSE PIN
Input Leakage, ISENSE
−1
+1
µA
VSENSE = VCC
Overcurrent Fault Timing Threshold, VOCTRIM
92
mV
VOCTRIM = (VCC − VSENSE), fault timing starts on
the TIMER pin
Overcurrent Limit Threshold, VLIM
97
100
103
mV
VLIM = (VCC − VSENSE), closed-loop regulation
to a current limit
Fast Overcurrent Trip Threshold, VOCFAST
115
mV
VOCFAST = (VCC − VSENSE), gate pull-down
current turned on
GATE PIN
Drive Voltage, VGATE
3
6
9
V
VGATE − VCC, VCC = 3.15 V
9
11
13
V
VGATE − VCC, VCC = 5 V
7
10
13
V
VGATE − VCC, VCC = 16.5 V
Pull-Up Current
8
12.5
17
µA
VGATE = 0 V
Pull-Down Current
1.5
mA
VGATE = 3 V, VCC = 3.15 V
5
mA
VGATE = 3 V, VCC = 5 V
7
mA
VGATE = 3 V, VCC = 16.5 V
TIMER PIN
Pull-Up Current (Power-On Reset), ITIMERUPPOR
−3.5
−5
−6.5
µA
Initial cycle, VTIMER = 1 V
Pull-Up Current (Fault Mode), ITIMERUPFAULT
−40
−60
−80
µA
During current fault, VTIMER = 1 V
Pull-Down Current (Retry Mode), ITIMERDNRETRY
2
3
µA
After current fault and during a cooldown
period on a retry device, VTIMER = 1 V
Pull-Down Current, ITIMERDN
100
µA
Normal operation, VTIMER = 1 V
Trip Threshold High, VTIMERH
1.26
1.3
1.34
V
TIMER rising
Trip Threshold Low, VTIMERL
0.175
0.2
0.225
V
TIMER falling
ADR PIN
Set Address to 00, VADRLOWV
0
0.8
V
Low state
Set Address to 01, RADRLOWZ
135
150
165
Resistor to ground state, load pin with
specified resistance for 01 decode
Set Address to 10, IADRHIGHZ
−1
+1
µA
Open state, maximum load allowed on the
ADR pin for 10 decode
Set Address to 11, VADRHIGHV
2
5.5
V
High state
Input Current for 00 Decode, IADRLOW
−40
−22
µA
VADR = 0 V to 0.8 V
Input Current for 11 Decode, IADRHIGH
3
10
µA
VADR = 2.0 V to 5.5 V


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