LT3503 查看數據表（PDF） - Linear Technology
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LT3503 Datasheet PDF : 20 Pages
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LT3503
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted.
SHDN Pin Current
50
45
40
35
30
25
20
15
10
5
0
0 2 4 6 8 10 12 14 16 18 20
VSHDN (V)
3503 G12
Typical Minimum Input Voltage
(VOUT = 3.3V)
5.5
5.0
4.5
4.0
3.5
1
10
1OO
LOAD CURRENT (mA)
1000
3503 G13
Typical Minimum Input Voltage
(VOUT = 5V)
7.7
7.2
6.7
6.2
5.7
5.2
1
10
100
LOAD CURRENT (mA)
1000
3503 G14
Switch Current Limit
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
–45 –25 -5 15 35 55 75
TEMPERATURE (°C)
!# ! / #
Switch Current Limit
1.8
1.7
1.6
TYPICAL
1.5
1.4
1.3
MINIMUM
1.2
1.1
1.0
0
20
40
60
80 100
DUTY CYCLE (%)
3503 G16
3503f
5
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