STR-X6757 Datasheet, PDF (4/11 Pages) Allegro MicroSystems – Off-Line Quasi-Resonant Switching Regulators

STR-X6757
Off-Line Quasi-Resonant Switching Regulators
STR-X6757
A.S.O. temperature derating coefficient
curve
100
80
60
40
20
0
0 20 40 60 80 100 120
T_F [℃]
Internal frame temperature
STR-X6757
MOSFET A.S.O. Curve
100
Determined by On-Resistance
100μs
10
1
1ms
0.1 _{Apply A.S.O temperature}
coefficient from the left graph to
this curve for evaluating actual
operations' safety
0.01
1
10
100
1000
V_DS[V]
Drain-to-Source Voltage
STR-X6757
Ava la nche energy dera ting curve
100
80
60
40
20
0
25 50 75 100 125 150
Tch [℃]
Channel temperature
Allegro MicroSystems, Inc.
4
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com