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STR3A155 Datasheet(PDF) 9 Page - Allegro MicroSystems |
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STR3A155 Datasheet(HTML) 9 Page - Allegro MicroSystems |
9 / 14 page 9 SANKEN ELECTRIC CO., LTD. STR3A150-DS July 20, 2012 PWM Off-Line Switching Regulator ICs STR3A151, STR3A152, STR3A153, STR3A154, STR3A155 10 1 0.1 0.01 0.001 Transient Thermal Resistance Curve Time (s) 10–6 10–5 10–4 10–3 10–2 10–1 Ambient Temperature, TA (°C) 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 PD1 = 1.76 W MOSFET Temperature versus Power Dissipation Curve 0 25 50 75 100 125 150 Channel Temperature, Tch (°C) 100 80 60 40 20 0 25 50 75 125 100 150 MOSFET Avalanche Energy Derating Coefficient Curve Drain-to-Source Voltage, VDS (V) 10 1 0.1 0.01 1 10 100 1000 MOSFET Safe Operating Area Curve Drain current limited by on-resistance Single pulse, TA = 25°C 1 ms 0.1 ms To use this graph, apply the S.O.A temperature derating coefficient taken from the graph at the left Channel Temperature, Tch (°C) 100 80 60 40 20 0 S. O. A. Temperature Derating Coefficient Curve 0 25 50 75 100 125 150 Characteristic Performance STR3A154 |
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