FAN7601B Просмотр технического описания (PDF) - Fairchild Semiconductor

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FAN7601B

Green Current Mode PWM Controller

Fairchild Semiconductor 

Typical Performance Characteristics (Continued)

2

1.6

1.2

0.8

0.4

0

-45 -25 -15 0 25 50 80 100 125 140

Junction Temperature(℃)

Figure 12. Startup Current

20

1 9 .6

1 9 .2

1 8 .8

1 8 .4

18

-45 -25 -15 0 25 50 80 100 125 140

Junction Temperature(℃)

Figure 13. Over-Voltage Protection Level

2 .8

2 .7

2 .6

2 .5

2 .4

2 .3

2 .2

-45 -25 -15 0 25 50 80 100 125 140

Junction Temperature( ℃)

Figure 14. Latch Protection Voltage

14

13

12

11

10

9

-45 -25 -15 0 25 50 80 100 125 140

Junction Temperature(℃)

Figure 15. Soft-Start Current

1000

100

10

Ct=

10nF

8.2nF

4.7nF

3.3nF

2.2nF

1nF

820pF

680pF

1

5K

15K

25K

35K

45K

R t[ Ko h m]

Figure 16. Oscillator Frequency Characteristic

© 2008 Fairchild Semiconductor Corporation

FAN7601B • Rev.1.0.1

7

www.fairchildsemi.com

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