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| TC18C46-1 Datasheet, PDF (9/10 Pages) TelCom Semiconductor, Inc – CMOS CURRENT MODE PWM CONTROLLER | |||
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CMOS CURRENT MODE
PWM CONTROLLERS
TYPICAL CHARACTERISTICS
18C46 Dead Time vs. Ct
11000
10000
9000
8000
7000
6000
5000
10k
4000
3000
2000 2k
1000
100k
0
1000 2000 3000 4000
Ct, pF
5000
18C46 OSC Frequency vs. Ct
400
350
2k
300
250
200
150
100 10k
50
100k
0
1000
2000 3000
Ct, pF
4000
5000
1
TC18C46
TC28C46
TC38C46
18C46 Dead Time vs. Rt
2
11000
10000
9000
8000
4700pF
7000
6000
5000
2200pF
3
4000
3000
1000pF
2000
1000
0
500pF
100pF
20
40
60
Rt, kâ¦
80
100
4
18C46 OSC Frequency vs. Rt
400
350
100pF
300
5
250
200
500pF
150
1000pF
100
2200pF
4700pF
50
0
6
20
40
60
80
100
Rt, kâ¦
7
TELCOM SEMICONDUCTOR, INC.
8
4-109
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