LT1768I 查看數據表（PDF） - Linear Technology
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LT1768I Datasheet PDF : 20 Pages
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LT1768
TYPICAL PERFOR A CE CHARACTERISTICS
VREF vs Temperature
5.10
IREF = –1mA
5.08
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1768 G01
VRMIN, VRMAX vs Temperature
1.30 IRMIN = –100µA
1.29 IRMAX = –100µA
1.28
1.27
VRMIN(V)
1.26
1.25
VRMAX(V)
1.24
1.23
1.22
1.21
1.20
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1768 G02
Supply Current vs Input Voltage
10
8
6
4
2
0
0
5
10
15
20
25
INPUT VOLTAGE (V)
1768 G04
SHDN Pull-Up Current
vs Input Voltage
10
VSHDN = 0V
8
6
4
2
0
0
5
10
15
20
25
INPUT VOLTAGE (V)
1768 G07
Supply Current vs Temperature
7.40
7.30
7.20
7.10
7.00
6.90
6.80
6.70
6.60
6.50
6.40
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1768 G05
Shutdown Threshold Voltage vs
Temperature
2.00
1.80
1.60
VSHDN OFF TO ON
1.40
1.20
1.00
0.80
VSHDN ON TO OFF
0.60
0.40
0.20
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1768 G08
Supply Current in Shutdown vs
Temperature
80
VSHDN = 0V
76
72
68
64
60
56
52
48
44
40
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1768 G03
Supply Current in Shutdown vs
Input Voltage
100
VSHDN = 0V
80
60
40
20
0
0
5
10
15
20
25
INPUT VOLTAGE (V)
1768 G06
Undervoltage Lockout Threshold
vs Temperature
8.20
8.10
8.00
VUVL OFF TO ON
7.90
7.80
7.70
7.60
7.50
7.40
VUVL ON TO OFF
7.30
7.20
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1768 G09
4
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