lc5511d Allegro MicroSystems, Inc., lc5511d Datasheet - Page 6
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lc5511d
Manufacturer Part Number
lc5511d
Description
Single-stage Power Factor Corrected Off-line Switching Regulator Ic
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.LC5511D.pdf
(11 pages)
LC5511D
MOSFET Avalanche Energy Derating Coefficient Curve
S. O. A. Temperature Derating Coefficient Curve
100
100
80
60
40
20
80
60
40
20
0
0
25
0
Channel Temperature, T ch (°C)
Channel Temperature, T ch (°C)
25
50
50
75
0.01
0.1
10
1
10
75
-6
100
100
125
125
10
Transient Thermal Resistance Curve
-5
Characteristic Performance
150
150
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
10
-4
Time (s)
Single-Stage Power Factor Corrected
MOSFET Temperature versus Power Dissipation Curve
10
-3
Off-Line Switching Regulator IC
0.01
100
0.1
10
1
MOSFET Safe Operating Area Curve
1.2
1.0
0.8
0.6
0.4
0.2
1
0
To use this graph, apply the S.O.A
temperature derating coefficient
taken from the graph at the left
0
10
Drain current limited
Drain-to-Source Voltage, V DS (V)
by on-resistance
-2
Ambient Temperature, T A (°C)
25
10
50
10
75
-1
100
1 ms
100
125
0.1 ms
150
1000
6