Datasheet

5
LTC1643AL
LTC1643AL-1/LTC1643AH
1643afb
TYPICAL PERFORMANCE CHARACTERISTICS
UW
TEMPERATURE (°C)
–50
CIRCUIT BREAKER TRIP FILTER TIME (µs)
15.50
15.25
15.00
14.75
14.50
14.25
14.00
25 75
1643A G13
–25 0
50 100 125
Circuit Breaker Trip Filter Time
vs Temperature
Timer Threshold Voltage
vs Temperature
TEMPERATURE (°C)
–50
TIMER THRESHOLD VOLTAGE (V)
1.0
0.9
0.8
0.7
25 75
1643A G14
–25 0
50 100 125
V
12VIN
– V
TIMER
12V
IN
Supply Current
vs Temperature
TEMPERATURE (°C)
–50
12V
IN
SUPPLY CURRENT (mA)
3.72
3.70
3.68
3.66
3.64
3.62
0
50
75
1643A G15
–25
25
100
125
V
EEIN
Supply Current
vs Temperature
5V
IN
Supply Current
vs Temperature
TEMPERATURE (°C)
–50
V
EEIN
SUPPLY CURRENT (mA)
0.90
0.89
0.88
0.87
0.86
0.85
0.84
25 75
1643A G16
–25 0
50 100 125
TEMPERATURE (°C)
270
268
266
264
262
260
258
256
LT1643A G17
5V
IN
SUPPLY CURRENT (µA)
–50 25 75
–25 0
50 100 125
3V
IN
Supply Current
vs Temperature
TEMPERATURE (°C)
–50
3V
IN
SUPPLY CURRENT (µA)
275.0
272.5
270.0
267.5
265.0
262.5
260.0
25 75
1643A G18
–25 0
50 100 125
V
OL
vs Temperature
TEMPERATURE (°C)
–50
V
OL
(mV)
350
300
250
200
150
100
50
25 75
1643A G19
–25 0
50 100 125
I = 3mA
FAULT
PWRGD
TEMPERATURE (°C)
–50
UNDERVOLTAGE LOCKOUT (V)
9.515
9.510
9.505
9.500
9.495
9.490
9.485
25 75
1643A G20
–25 0
50 100 125
12V
IN
Undervoltage Lockout
vs Temperature
TEMPERATURE (°C)
–50
UNDERVOLTAGE LOCKOUT (V)
2.454
2.452
2.450
2.448
2.446
2.444
2.442
25 75
1643A G21
–25 0
50 100 125
5V
IN
Undervoltage Lockout
vs Temperature