参数资料
型号: ADM1172
厂商: Analog Devices, Inc.
元件分类: 基准电压源/电流源
英文描述: 2.7 V to 16.5 V Hot Swap Controller with Power-Fail Comparator
中文描述: 2.7 V至16.5 V热风热插拔控制器与电源失效比较
文件页数: 3/16页
文件大小: 181K
代理商: ADM1172
ADM1172
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
V
CC
PIN
Operating Voltage Range
Supply Current
Undervoltage Lockout
Undervoltage Lockout Hysteresis
ON (ON-CLR) PIN
Input Current
Threshold
Threshold Hysteresis
SENSE PIN
Hot Swap Operating Range
Input Current
Circuit Breaker Limit Voltage
GATE PIN
Drive Voltage
Pull-Up Current
Pull-Down Current
Pull-Down Current
TIMER PIN
Pull-Up Current
Pull-Down Current
Threshold High
Threshold Low
PFI PIN
Threshold Rising
Threshold Hysteresis
Input Current
PFO PIN
Pull-Up Current
Output Low Voltage
t
OFF
Turn-Off Time (TIMER Rise to GATE Fall)
Turn-Off Time (ON Fall to GATE Fall)
Turn-Off Time (V
CC
Fall to IC Reset)
Rev. 0 | Page 3 of 16
Symbol
V
CC
I
CC
V
UVLO
V
UVLOHYS
I
INON
V
ON
V
ONHYST
I
INSENSE
V
CB
V
GATE
I
TIMERUP
I
TIMERDN
V
TIMERH
V
TIMERL
Min
2.7
2.4
1
1.22
2.7
5
44
4.6
6.0
8.75
7.5
5.56
6.5
2
25
1.22
0.15
0.58
1
Typ
0.65
2.525
40
0
1.3
50
10
50
7.5
8
10
9
8
12
4
25
5
60
2
100
1.3
0.2
0.6
10
0
5
2
40
40
Max
16.5
0.8
2.65
+1
1.38
16.5
15
56
10
12
12
12
12
14.5
8.5
100
3.5
1.38
0.25
0.62
+1
0.4
Unit
V
mA
V
mV
μA
V
mV
V
μA
mV
V
V
V
V
V
μA
mA
mA
μA
μA
μA
μA
V
V
V
mV
μA
μA
V
μs
μs
μs
Conditions
V
CC
rising
ON rising
V
CB
= (V
CC
– V
SENSE
)
V
GATE
V
CC
, V
CC
= 3.0 V
V
GATE
V
CC
, V
CC
= 3.3 V
V
GATE
V
CC
, V
CC
= 5 V
V
GATE
V
CC
, V
CC
= 12 V
V
GATE
V
CC
, V
CC
= 15 V
V
GATE
= 0 V
V
GATE
= 3 V, V
CC
= 5 V, ON (ON-CLR) = low
V
GATE
= 3 V, V
CC
< UVLO
Initial cycle, V
TIMER
= 1 V
During current fault, V
TIMER
= 1 V
After Cct breaker tip, V
TIMER
= 1 V
Normal operation, V
TIMER
= 1 V
TIMER rising
TIMER falling
I
LOAD
= 200 μA
V
TIMER
= 0 V to 2 V step, V
CC
= V
ON
= 5 V
V
ON
= 5 V to 0 V step, V
CC
= 5 V
V
CC
= 5 V to 2 V step, V
ON
= 5 V
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