LC5547LF 查看數據表（PDF） - Sanken Electric co.,ltd.
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LC5547LF Datasheet PDF : 13 Pages
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LC5540LF
Series
Single-Stage Power Factor Corrected
Off-Line Switching Regulators
Characteristic Performance
LC5549LF
MOSFET Safe Operating Area Curve
100
S. O. A. Temperature Derating Coefficient Curve
100
80
60
40
20
Drain current limited
by on-resistance
10
1 ms
1
0.1 ms
0
0 25 50 75 100 125 150
Channel Temperature, Tch (°C)
MOSFET Avalanche Energy Derating Coefficient Curve
100
To use this graph, apply the S.O.A
temperature derating coefficient
taken from the graph at the left
0.1
10
100
Drain-to-Source Voltage, VDS (V)
1000
MOSFET Temperature versus Power Dissipation Curve
30
80
25
23.6
20
With infinite
heatsink
60
15
40
10
20
0
25
50
75 100 125 150
Channel Temperature, Tch (°C)
5
Without
heatsink
1.8
0
0 25 50 75 100 125 150
Ambient Temperature, TA (°C)
Transient Thermal Resistance Curve
10
1
0.1
0.01
0.001
10-6
10-5
10-4
10-3
10-2
10-1
Time (s)
LC5540LF-DS
7
SANKEN ELECTRIC CO., LTD.
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