SG6846A — Highly Integrated Green-Mode PWM Controller
Typical Performance Characteristics
20
18
11.5
11.1
V
DD-ON
(V)
16
14
12
10
-40 -25 -10
5
20
35
50
65
80
95 110 125
V
DD-OFF
(V)
10.7
10.3
9.9
9.5
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature (℃)
Figure 8. Turn-on Threshold Voltage (V
DD-ON
)
vs. Temperature
Temperature (℃)
Figure 9. Turn-off Threshold Voltage (V
DD-OFF
)
vs. Temperature
30.0
10
I
DD-ST
(µA)
I
DD-ST
(µA)
26.8
23.6
20.4
17.2
14.0
-40 -25 -10
5
20
35
50
65
80
95 110 125
8
6
4
2
0
10
11
12
13
14
15
16
Temperature (℃)
Figure 10. Startup Current (I
DD-ST
) vs. Temperature
VDD (V)
Figure 11. Startup Current vs. V
DD
Voltage
2.5
1.00
V
IN-OFF
(V)
V
IN-ON
(V)
2.0
1.5
1.0
0.5
0.0
-40 -24 -7
10
26 43
59 76 92 109 125
0.98
0.96
0.94
0.92
0.90
-40 -25 -10 5
20 35 50 65 80 95 11 12
0 5
Temperature (
℃
)
Temperature (
℃
)
Figure 13. PWM Turn-on Threshold Voltage (V
IN-ON
)
vs. Temperature
Figure 12. PWM Turn-off Threshold Voltage (V
IN-OFF
)
vs. Temperature
© 2008 Fairchild Semiconductor Corporation
SG6846A • Rev. 1.1.4
www.fairchildsemi.com
9
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