FSQ0565RQ Fairchild Semiconductor, FSQ0565RQ Datasheet - Page 9

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FSQ0565RQ

Manufacturer Part Number
FSQ0565RQ
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
Datasheet

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FSQ0565RS/RQ Rev. 1.0.3
© 2008 Fairchild Semiconductor Corporation
Typical Performance Characteristics
These characteristic graphs are normalized at T
Figure 9. Initial Switching Frequency (f
Figure 5. 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 7. 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
OP
100
100
S
) vs. T
) vs. T
A
= 25°C.
125
125
125
A
A
9
Figure 8. 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 10. Maximum On Time (t
-25
-25
-25
Figure 6. 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
CH
www.fairchildsemi.com
) vs. T
) vs. T
125
125
125
A
A

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