LTC1929I Просмотр технического описания (PDF) - Linear Technology
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LTC1929I Datasheet PDF : 28 Pages
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LTC1929/LTC1929-PG
TYPICAL PERFOR A CE CHARACTERISTICS
Load Regulation
0.0
–0.1
–0.2
–0.3
VIN = 15V
FIGURE 1
VITH vs VRUN/SS
2.5
VOSENSE = 0.7V
2.0
1.5
1.0
0.5
SENSE Pins Total Source Current
100
50
0
–50
–0.4
0
1
2
3
4
5
LOAD CURRENT (A)
1629 G13
0
01
Maximum Current Sense
Threshold vs Temperature
80 VSENSE– = 5V
78
76
74
72
70
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1929 G16
Soft-Start (Figure 13)
2
3
4
VRUN/SS (V)
56
1629 G14
–100
0
2
4
6
VSENSE COMMON MODE VOLTAGE (V)
1629 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
1929 G17
Load Step (Figure 13)
VITH
1V/DIV
VOUT
2V/DIV
VRUN/SS
2V/DIV
100ms/DIV
1929 G18
VOUT
50mV/DIV
20A
IOUT
10A/DIV
0A
20µs/DIV
1929 G19
6
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