LTC1646
U W
TYPICAL PERFOR A CE CHARACTERISTICS
Power Good Threshold Voltage vs
Gate ISINK vs Temperature
Gate Voltage vs Temperature
Temperature (3V
)
OUT
10
9
15.5
15.0
14.5
14.0
13.5
13.0
12.5
3.00
2.95
2.90
2.85
2.80
FAULT = 0V
I = –1µA
5V = 5V
IN
8
7
5V = 3.3V
IN
6
5
–50
–25
0
25
50
75
100
–50
–25
0
25
50
75
100
–50
–25
0
25
50
75
100
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
1646 G13
1646 G14
1646 G15
Power Good Threshold Voltage vs
Temperature (5V
Timer Threshold Voltage vs
Temperature
5V
Input Current vs
SENSE
)
Temperature
OUT
4.75
4.70
4.65
4.60
4.55
4.50
1.30
1.28
1.26
1.24
1.22
1.20
70
69
68
67
66
65
64
63
62
61
60
–50
–25
0
25
50
75
100
–50
–25
0
25
50
75
100
–50
–25
0
25
50
75
100
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
1646 G16
1646 G17
1646 G18
3V
Input Current vs
SENSE
Temperature
3V Input Current vs Temperature
IN
Timer Current vs Temperature
70
69
68
67
66
65
64
63
62
61
60
480
475
470
465
460
455
450
445
–4.00
–4.25
–4.50
–4.75
–5.00
–5.25
–5.50
–5.75
–6.00
–50
–25
0
25
50
75
100
–50
–25
0
25
50
75
100
–50
–25
0
25
50
75
100
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
1646 G19
1646 G20
1646 G21
1646fa
5
Linear [ Linear ]
