FSQ0465RU Fairchild Semiconductor, FSQ0465RU Datasheet - Page 9

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FSQ0465RU

Manufacturer Part Number
FSQ0465RU
Description
lower EMI and higher power conversion efficiency than a conventional hard-switched converter with a fixed switching frequency
Manufacturer
Fairchild Semiconductor
Datasheet
FSQ0465RU Rev. 1.0.0
© 2009 Fairchild Semiconductor Corporation
Typical Performance Characteristics
These characteristic graphs are normalized at T
Figure 8. Initial Switching Frequency (f
Figure 4. 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 6. 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 7. 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 9. Maximum On Time (t
-25
-25
-25
Figure 5. 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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