SG6846A Fairchild Semiconductor, SG6846A Datasheet - Page 9
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SG6846A
Manufacturer Part Number
SG6846A
Description
The highly integrated SG6846A series of PWM controllers provides features to enhance the performance of flyback converters
Manufacturer
Fairchild Semiconductor
Datasheet
1.SG6846A.pdf
(15 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SG6846ALSZ
Manufacturer:
SYSTEMGE
Quantity:
20 000
© 2008 Fairchild Semiconductor Corporation
SG6846A • Rev. 1.1.5
Typical Performance Characteristics
Figure 12. PWM Turn-off Threshold Voltage (V
Figure 10. Startup Current (I
Figure 8. Turn-on Threshold Voltage (V
2.5
2.0
1.5
1.0
0.5
0.0
30.0
26.8
23.6
20.4
17.2
14.0
20
18
16
14
12
10
-40 -24 -7
-40 -25 -10
-40 -25 -10
Temperature (℃)
10 26 43 59 76 92 109 125
5
vs. Temperature
vs. Temperature
Temperature (℃)
5
Temperature (℃)
20
20 35 50 65 80 95 110 125
35
DD-ST
50
) vs. Temperature
65
80
95 110 125
DD-ON
IN-OFF
)
)
9
Figure 13. PWM Turn-on Threshold Voltage (V
Figure 9. Turn-off Threshold Voltage (V
1.00
0.98
0.96
0.94
0.92
0.90
10
11.5
11.1
10.7
10.3
Figure 11. Startup Current vs. V
8
6
4
2
0
9.9
9.5
10
-40 -25 -10 5 20 35 50 65 80 95 11
-40 -25 -10
11
vs. Temperature
Temperature ( ℃ )
vs. Temperature
5
Temperature (℃)
12
20
VDD (V)
35
13
50
65
14
DD
80
Voltage
www.fairchildsemi.com
95 110 125
15
DD-OFF
0
IN-ON
12
)
5
16
)