LTC1876 데이터 시트보기 (PDF) - Linear Technology
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LTC1876
Linear Technology
LTC1876 Datasheet PDF : 36 Pages
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LTC1876
TYPICAL PERFOR A CE CHARACTERISTICS
Maximum Current Sense
Threshold vs VRUN/SS (Soft-Start)
80
VSENSE(CM) = 1.6V
60
40
20
0
01
2
3
4
5
6
VRUN/SS (V)
1876 G10
Load Regulation (Controller)
0.0
FCB = 0V
VIN = 15V
FIGURE 1
–0.1
–0.2
–0.3
–0.4
0
1
2
3
4
5
LOAD CURRENT (A)
1876 G13
Maximum Current Sense
Threshold vs Temperature
80
78
76
74
72
70
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1876 G16
6
Maximum Current Sense
Threshold vs Sense Common
Mode Voltage
80
76
72
68
64
60
0
1
2
3
4
5
COMMON MODE VOLTAGE (V)
1876 G11
VITH vs VRUN/SS
2.5
VOSENSE = 0.7V
2.0
1.5
1.0
0.5
Current Sense Threshold
vs ITH Voltage
90
80
70
60
50
40
30
20
10
0
–10
–20
–30
0
0.5
1
1.5
2
2.5
VITH (V)
1876 G12
SENSE Pins Total Source Current
100
50
0
–50
0
0
1
2
3
4
VRUN/SS (V)
56
1876 G14
Current Sense Pin Input Current
vs Temperature
35
VOUT = 5V
33
31
29
27
25
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1876 G17
–100
0
2
4
6
VSENSE COMMON MODE VOLTAGE (V)
1876 G15
RUN/SS Current vs Temperature
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1876 G18
1876fa
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