SG6905SZ

Manufacturer Part NumberSG6905SZ
DescriptionIC PWM CTLR PFC/FLYBACK 20-SOP
ManufacturerFairchild Semiconductor
SG6905SZ datasheet
 

Specifications of SG6905SZ

ModeAverage CurrentFrequency - Switching65kHz
Current - Startup10µAVoltage - Supply16 V ~ 20 V
Operating Temperature-40°C ~ 105°CMounting TypeSurface Mount
Package / Case20-SOIC (7.5mm Width)Lead Free Status / RoHS StatusLead free / RoHS Compliant
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Typical Performance Characteristics
4.80
4.68
4.56
4.44
4.32
4.20
-40
-25
-10
5
20
35
Temperature(°C)
Figure 18. FB
OPEN-LOOP
120.00
102.00
84.00
66.00
48.00
30.00
-40
-25
-10
5
20
35
Temperature(°C)
Figure 20. t
R-PWM
83.00
81.00
79.00
77.00
75.00
73.00
-40
-25
-10
5
20
35
Temperature(°C)
Figure 22. DCY
MAX-PWM
© 2007 Fairchild Semiconductor Corporation
SG6905 • Rev. 1.1.2
(Continued)
0.95
0.93
0.91
0.89
0.87
0.85
50
65
80
95
110
125
-40
vs. T
A
120.00
102.00
84.00
66.00
48.00
30.00
50
65
80
95
110
125
vs. T
A
1.25
1.23
1.21
1.19
1.17
1.15
50
65
80
95
110
125
-40
vs. T
A
15
-25
-10
5
20
35
50
65
80
Temperature(°C)
Figure 19. V
vs. T
LIMIT
A
-40
-25
-10
5
20
35
50
65
80
Temperature(°C)
Figure 21. t
vs. T
F-PWM
A
-25
-10
5
20
35
50
65
80
Temperature(°C)
Figure 23. V
vs. T
OTP-OFF
A
95
110
125
95
110
125
95
110
125
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