SG6905SZ Fairchild Semiconductor, SG6905SZ Datasheet - Page 15

• Manufacturer Part Number: SG6905SZ
• Description: IC PWM CTLR PFC/FLYBACK 20-SOP
• Manufacturer: Fairchild Semiconductor

Specifications of SG6905SZ

• Mode: Average Current
• Frequency - Switching: 65kHz
• Current - Startup: 10µA
• Voltage - Supply: 16 V ~ 20 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2007 Fairchild Semiconductor Corporation
SG6905 • Rev. 1.1.2
Typical Performance Characteristics
4.80
4.68
4.56
4.44
4.32
4.20
120.00
102.00
83.00
81.00
79.00
77.00
75.00
73.00
84.00
66.00
48.00
30.00
-40
-40
-40
-25
-25
-25
Figure 18. FB
Figure 22. DCY
-10
-10
Figure 20. t
-10
5
5
5
Temperature(°C)
Temperature(°C)
Temperature(°C)
20
20
20
OPEN-LOOP
35
R-PWM
35
35
MAX-PWM
50
50
50
vs. T
65
65
65
vs. T
vs. T
A
80
80
80
A
A
95
95
95
110
110
110
(Continued)
125
125
125
15
0.95
0.93
0.91
0.89
0.87
0.85
120.00
102.00
1.25
1.23
1.21
1.19
1.17
1.15
84.00
66.00
48.00
30.00
-40
-40
-40
-25
-25
-25
Figure 23. V
-10
-10
Figure 21. t
Figure 19. V
-10
5
5
5
Temperature(°C)
Temperature(°C)
Temperature(°C)
20
20
20
OTP-OFF
35
F-PWM
35
35
LIMIT
50
50
50
vs. T
vs. T
vs. T
65
65
65
A
A
A
80
80
80
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95
95
95
110
110
110
125
125
125