TSM108(2001) 查看數據表（PDF） - STMicroelectronics
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TSM108 Datasheet PDF : 13 Pages
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TSM108
12. Measured Performances
The few following curves show the measured
performances of TSM108 used in DC/DC step
down converter, either with a Pchannel MOSFET
or with a PNP bipolar transistor.
12.1. Voltage and Current Control, Efficiency Performances using a Pchannel MOSFET:
CV & CC Regulation - Switching duty cycle vs Iout
Vin = 12V, Vout = 6V, Iout = 600mA
7
70%
6
60%
5
50%
4
40%
3
30%
2
20%
1
10%
0
0%
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Iout (A)
Converter efficiency & Switching duty cycle vs Iout
Vin = 12V, Vout = 6V, Iout = 600mA
100%
100%
90%
90%
80%
80%
70%
70%
60%
60%
50%
50%
40%
40%
30%
30%
20%
20%
10%
10%
0%
0
0%
0.1
0.2
0.3
0.4
0.5
0.6
0.7
Iout (A)
6.001
6
5.999
5.998
5.997
5.996
5.995
5.994
5.993
5.992
5
Vout & Efficiency versus Vin
Vout = 6V, Iout = 600mA
10
15
20
25
30
Vin (V)
86%
85%
84%
83%
82%
81%
80%
79%
78%
77%
35
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