FSQ0765RS Fairchild Semiconductor, FSQ0765RS Datasheet - Page 9

• Manufacturer Part Number: FSQ0765RS
• Description: A Quasi-Resonant Converter (QRC) generally shows lower EMI and higher power conversion efficiency than a conventional hard-switched converter with a fixed switching frequency
• Manufacturer: Fairchild Semiconductor

FSQ0765RS • Rev. 1.0.2
© 2008 Fairchild Semiconductor Corporation
Typical Performance Characteristics
These characteristic graphs are normalized at T
Figure 17. Initial Switching Frequency (f
Figure 13. Operating Supply Current (I
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-25
-25
-25
Figure 15. UVLO Stop Threshold Voltage
0
0
0
Temperature [°C]
Temperature [°C]
Temperature [°C]
(V
25
25
25
STOP
) vs. T
50
50
50
A
75
75
75
100
100
100
OP
SW
) vs. T
) vs. T
A
= 25°C.
125
125
125
A
A
9
Figure 16. Startup Charging Current (I
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.2
1.0
0.8
0.6
0.4
0.2
0.0
Figure 18. Maximum On Time (t
-25
-25
-25
Figure 14. UVLO Start Threshold Voltage
0
0
0
Temperature [°C]
Temperature [°C]
Temperature [°C]
(V
25
25
25
START
50
50
50
) vs. T
A
75
75
75
ON.MAX
100
100
100
www.fairchildsemi.com
CH
) vs. T
) vs. T
125
125
125
A
A