FAN6747 データシートの表示（PDF） - Fairchild Semiconductor

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FAN6747

Highly Integrated Green-Mode PWM Controller

Fairchild Semiconductor 

Electrical Characteristics

VDD=15V and TA=25°C, unless otherwise specified.

Symbol

Parameter

Conditions

Min. Typ. Max. Units

Figure 8. Brownout Behavior

Figure 9. VDD-AC and AC Recovery

Oscillator Section

fOSC

Normal PWM Frequency

Center Frequency

(VFB>VFB-N)

tJTR-1

tJTR-3

fOSC-G

VFB-N

Jitter Period 1

VFB > VFB-N

Jitter Period 3

VFB=VFB-G

Green-Mode Minimum Frequency

FB Threshold Voltage for

Frequency Reduction Beginning

Pin, FB Voltage

(VFB=VFB-N),

fOSC – 5KHz

Jitter Range

VFB-G

FB Threshold Voltage for Turn-

Off Jitter and Frequency

Reduction Destination

Pin, FB Voltage

(VFB=VFB-G)

Jitter Range

61

3.9

10.2

19

2.6

±3.7

2.1

© 2010 Fairchild Semiconductor Corporation

FAN6747 • Rev. 1.0.3

7

65

4.4

11.5

22

2.8

±4.2

2.3

±1.45

69

kHz

4.9

ms

12.8

ms

25

kHz

3.0

V

±4.7

kHz

2.5

V

kHz

www.fairchildsemi.com

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