LTC1693-1CS8 查看數據表（PDF） - Linear Technology
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LTC1693-1CS8 Datasheet PDF : 20 Pages
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LTC1693
TYPICAL APPLICATIONS
Charge Pump Tripler
R1
11k
1%
C2
1µF
VCC = 5V
8
1 LTC1693-3
7
C1
680pF
3
4
VCC = 5V
D1
1N5817
C3
D2
D3
1µF 1N5817 1N5817
+
C5
C4
1µF
3.3µF
D4
1N5817
+
VOUT
CL
47µF
1693 TA09a
R1, C1 SET THE OSCILLATION FREQUENCY AT 150kHz
AND THE DUTY CYCLE AT 35%
Output Voltage
18
VCC = 5V
16
14
12
10
8
6
4
2
0
0 10 20 30 40 50 60 70 80 90 100
OUTPUT CURRENT (mA)
1693 TA09b
Efficiency
90
VCC = 5V
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
OUTPUT CURRENT (mA)
1693 TA09c
18
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