LTC1735C-1 データシートの表示（PDF） - Linear Technology
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LTC1735C-1 Datasheet PDF : 28 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
Maximum Current Sense Threshold
vs Normalized Output Voltage
(Foldback)
80
70
60
50
40
30
20
10
0
0
25
50
75
100
NORMALIZED OUTPUT VOLTAGE (%)
1735-1 G10
Maximum Current Sense Voltage
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)
1735-1 G13
Maximum Current Sense Threshold
vs VRUN/SS
80
VSENSE(CM) = 1.6V
60
40
20
0
01
2
3
4
5
6
VRUN/SS (V)
1735-1 G11
Maximum Current Sense Threshold
vs Temperature
80
VSENSE(CM) = 1.6V
75
70
65
60
–40 –15
10 35 60 85
TEMPERATURE (°C)
110 135
1735-1 G18
SENSE Pins Total Source Current
100
50
0
–50
–100
0
2
4
6
VSENSE COMMON MODE VOLTAGE (V)
1735-1 G16
ITH Voltage vs Load Current
2.5
VIN = 10V
VOUT = 3.3V
2.0
RSENSE = 0.01Ω
fO = 300kHz
1.5 CONTINUOUS
MODE
1.0
SYNCHRONIZED f = fO
Burst Mode
0.5
OPERATION
0
012
3
4
56
LOAD CURRENT (A)
1735-1 G17
LTC1735-1
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)
1735-1 G12
VITH vs VRUN/SS
2.5
VOSENSE = 0.7V
2.0
1.5
1.0
0.5
0
0
1
2
3
4
VRUN/SS (V)
56
1735-1 G15
Output Current vs Duty Cycle
100
IOUT/IMAX
(SYNCHRONIZED)
80
IOUT/IMAX
(FREE RUN)
60
40
20
fSYNC = fO
0
0
20
40
60
DUTY CYCLE (%)
80 100
1735-1 G14
5
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