LTC3732 查看數據表（PDF） - Linear Technology
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LTC3732 Datasheet PDF : 28 Pages
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LTC3732
TYPICAL PERFOR A CE CHARACTERISTICS
Short-Circuit Arming and Latchoff
vs Temperature
5
ARMING
4
3 LATCHOFF
2
1
0
–45 –30 –15 0 15 30 45 60
TEMPERATURE (°C)
75 90
3732 G10
Maximum ISENSE vs VRUN/SS
80
70
60
50
40
30
20
10
0
0
1
2
3
4
5
6
VRUN/SS VOLTAGE (V)
3732 G13
Percentage of Nominal Output vs
Peak ISENSE (Foldback)
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
PERCENTAGE OF NOMINAL OUTPUT VOLTAGE (%)
3732 G15
Supply Current vs Temperature
100
2.8 VCC = 5V
2.4
80
2.0
60
1.6
1.2
40
0.8
20
0.4
0
–45 –30 –15 0 15 30 45 60
TEMPERATURE (°C)
0
75 90
3732 G11
Maximum Current Sense
Threshold vs Duty Factor
75
50
25
0
0
20
40
60
80
100
DUTY FACTOR (%)
3732 G13a
Maximum Duty Factor vs
Temperature
100
VPLLFLTR = 0V
98
96
94
92
90
–45 –30 –15 0 15 30 45 60
TEMPERATURE (°C)
75 90
3732 G16
6
RUN/SS Pull-Up Current vs
Temperature
2.5
VRUN/SS = 1.9V
2.0
1.5
1.0
0.5
0
–45 –30 –15 0 15 30 45 60
TEMPERATURE (°C)
75 90
3732 G12
Peak Current Threshold vs VITH
75
60
45
30
15
0
–15
0
0.6
1.2
1.8
2.4
VITH (V)
3732 G14
ISENSE Pin Current vs VOUT
40
30
20
10
0
–10
–20
–30
0
1
2
3
4
5
VOUT (V)
3732 G17
3732f
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