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AO4449 Datasheet(PDF) 5 Page - shenzhen wanhexing Electronics Co.,Ltd |
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AO4449 Datasheet(HTML) 5 Page - shenzhen wanhexing Electronics Co.,Ltd |
5 / 6 page AO4449 TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS The AO4449 uses advanced trench technology to provide excellent RDS(ON), and ultra-low low gate charge. This device is suitable for use as a load switch or in PWM applications. 0.001 0.01 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 1 10 100 1000 Pulse Width (s) Figure 12: Normalized Maximum Transient Thermal Impedance (Note F) Single Pulse D=T on/T T J,PK=TA+PDM.Z θJA.RθJA T on T P D In descending order D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse RθJA=75°C/W 0.001 0.01 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 1 10 100 1000 Pulse Width (s) Figure 12: Normalized Maximum Transient Thermal Impedance (Note F) Single Pulse D=T on/T T J,PK=TA+PDM.Z θJA.RθJA T on T P D In descending order D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse RθJA=75°C/W Rev 3: Nov 2011 www.aosmd.com Page 5 of 6 万和兴电子有限公司 www.whxpcb.com |
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