Datasheet

5
LTC2902
2902f
2.5V Threshold Voltage
vs Temperature
1.8V Threshold Voltage
vs Temperature
1.5V Threshold Voltage
vs Temperature
ADJ Threshold Voltage
vs Temperature
–ADJ Threshold Voltage
vs Temperature
I
V1
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
UW
TEMPERATURE (°C)
–60
THRESHOLD VOLTAGE, V
RT25
(V)
2.375
2.350
2.325
2.300
2.275
2.250
2.225
2.200
2.175
2.150
2.125
2.100
–20
20
40
2902 G04
–40 0
60
80
100
5%
7.5%
10%
12.5%
TEMPERATURE (°C)
–60
THRESHOLD VOLTAGE, V
RT18
(V)
1.710
1.685
1.660
1.635
1.610
1.585
1.560
1.535
1.510
–20
20
40
2902 G05
–40 0
60
80
100
5%
7.5%
10%
12.5%
TEMPERATURE (°C)
–60
THRESHOLD VOLTAGE, V
RT15
(V)
1.425
1.405
1.385
1.365
1.345
1.325
1.305
1.285
1.265
–20
20
40
2902 G06
–40 0
60
80
100
5%
7.5%
10%
12.5%
TEMPERATURE (°C)
–60
THRESHOLD VOLTAGE, V
RTA
(V)
0.508
0.503
0.498
0.493
0.488
0.483
0.478
0.473
0.468
0.463
0.458
0.453
–20
20
40
2902 G07
–40 0
60
80
100
5%
7.5%
10%
12.5%
V
REF
vs Temperature
I
V2
vs Temperature
I
V3
vs Temperature
TEMPERATURE (°C)
–60
THRESHOLD VOLTAGE, V
RTAN
(V)
0.018
0.012
0.006
0
–0.006
–0.012
–0.018
–20
20
40
2902 G08
–40 0
60
80
100
TEMPERATURE (°C)
–60
V
REF
(V)
1.228
1.216
1.204
1.192
1.180
1.168
1.156
1.144
1.132
1.112
1.108
1.096
–20
20
40
2902 G09
–40 0
60
80
100
5%
7.5%
10%
12.5%
TEMPERATURE (°C)
–60
0
I
V1
(µA)
10
30
40
50
100
70
–20
20
40
2902 G10
20
80
90
60
–40 0
60
80
100
V1 = 5V
V2 = 3.3V
V3 = 2.5V
V4 = 1.8V
TEMPERATURE (°C)
–60
0.5
I
V2
(µA)
0.6
0.8
0.9
1.0
1.5
1.2
–20
20
40
2902 G11
0.7
1.3
1.4
1.1
–40 0
60
80
100
V1 = 5V
V2 = 3.3V
V3 = 2.5V
V4 = 1.8V
TEMPERATURE (°C)
–60
0.1
I
V3
(µA)
0.2
0.4
0.5
0.6
1.1
0.8
–20
20
40
2902 G12
0.3
0.9
1.0
0.7
–40 0
60
80
100
V1 = 5V
V2 = 3.3V
V3 = 2.5V
V4 = 1.8V