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SG6846A Datasheet(PDF) 8 Page - Fairchild Semiconductor

Part # SG6846A
Description  Highly Integrated Green-Mode PWM Controller
Download  13 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

SG6846A Datasheet(HTML) 8 Page - Fairchild Semiconductor

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Product Specification
Highly Integrated Green-Mode PWM Controller
SG6846A
© System General Corp.
- 8 -
www.sg.com.tw • www.fairchildsemi.com
Version 1.1.1 (IAO33.0059.B1)
September 26, 2007
Normal PWM Frequency (FOSC) vs Temperature
62
63
64
66
67
68
-40
-25
-10
5
20
35
50
65
80
95
110
125
Temperature ( )
℃
PWM Frequency vs FB Voltage
0
14
28
42
56
70
1.61.7
1.81.9
2.02.1
2.2
2.3
2.4
VFB (V)
Current - limit Threshold vs Vin Voltage
0.60
0.65
0.70
0.75
0.80
0.85
0.90
0.7
0.9
1.1
1.3
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
3.3
VIN ( V )
2/3 Current - limit Threshold vs Vin Voltage
0.50
0.58
0.66
0.74
0.82
0.90
0.70.9 1.11.3
1.51.7
1.92.1 2.32.5
2.72.9
3.1
3.3
VIN (V)
Output Current of RT Pin (IRT) vs Temperature
68.5
69.0
69.5
70.0
70.5
71.0
-40
-25
-10
5
20
35
50
65
80
95
110
125
Temperature ( )
℃
FB Output High Voltage (VRTTH) vs Temperature
0.4
0.6
0.8
1.0
1.2
1.4
-40
-25
-10
5
20
35
50
65
80
95
110
125
Temperature ( )
℃


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