LT1680 데이터 시트보기 (PDF) - Linear Technology
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LT1680 Datasheet PDF : 16 Pages
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LT1680
TYPICAL PERFORMANCE CHARACTERISTICS
I12VIN Supply Current
vs Temperature
19
18
17
16
15
14
13
12
11
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1680 G01
5VREF Short-Circuit Current
vs Temperature
60
5VREF = 0V
55
50
45
40
35
30
– 50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1680 G04
5VREF Voltage
vs Temperature
5.01
5.00
4.99
4.98
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1680 G07
I12VIN Supply Current
vs 12VIN Supply Voltage
40
fO = 150kHz
TA = 25°C
35
CG = 10nF
30
25
CG = 4.7nF
20
15
10
CG = 3.3nF
CG = 1nF
11
12
13
14
15
12VIN SUPPLY VOLTAGE (V)
1680 G02
I12VIN Shutdown Current
vs Temperature
80
75
70
65
60
55
50
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1680 G05
Error Amplifier Voltage Gain
vs Temperature
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1680 G08
Gate Transition Time vs CGATE
150
TA = 25°C
•
130
110
•
tf
•
tr
90
•
•
70
•
•
50
30
0
2500
5000
CGATE (pF)
7500 10000
1680 G03
VREF Voltage
vs Temperature
1.252
1.251
1.250
1.249
1.248
1.247
1.246
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1680 G06
Error Amplifier Transconductance
vs Temperature
2.6
2.4
2.2
2.0
1.8
1.6
1.4
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1680 G09
4
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