ao4448 Alpha & Omega Semiconductor, ao4448 Datasheet
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ao4448
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ao4448 Summary of contents
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... General Description The AO4448 is fabricated with SDMOS technology that combines excellent R charge and low Qrr.The result is outstanding efficiency with controlled switching behavior. This universal technology is well suited for PWM, load switching and general purpose applications. SOIC-8 Top View Absolute Maximum Ratings T =25° ...
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... C, using ≤ 10s junction-to-ambient thermal resistance. =150° C. Ratings are based on low frequency and duty cycles to keep J(MAX) and lead to ambient. JL =150° C. The SOA curve provides a single pulse ratin g. J(MAX) www.aosmd.com AO4448 Min Typ Max Units =55° ...
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... Figure 4: On-Resistance vs. Junction Temperature 1.0E+02 I =10A D 1.0E+01 40 1.0E+00 1.0E-01 125° C 1.0E-02 1.0E-03 1.0E-04 25° C 1.0E-05 0 Figure 6: Body-Diode Characteristics (Note E) www.aosmd.com AO4448 V =5V DS 125° C 25° (Volts =10V GS I =10A = = 100 ...
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... DS(ON) 10.0 limited 1.0 0.1 T J(Max) T =25°C A 0.0 0.01 100 1000 ( s) A Figure 10: Maximum Forward Biased Safe 0.1 Pulse Width (s) www.aosmd.com AO4448 C iss C oss (Volts) DS Figure 8: Capacitance Characteristics 10 s 100 s 1ms 10ms =150°C 10s DC 0 100 1000 V (Volts) ...
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... Figure 14: Diode Reverse Recovery Time and Softness Factor vs. Conduction Current 25º 800 1000 0 200 Figure 16: Diode Reverse Recovery Time and www.aosmd.com AO4448 100 1000 3 125ºC 2.5 2 25ºC 1.5 1 25ºC 0.5 125º ...
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... Vdd VDC - Vgs d(on 1 Vds + Vgs Vdd VDC Id - Vgs Diode Recovery Test Circuit & Waveforms Idt Vgs Isd Vdd VDC - Vds www.aosmd.com AO4448 Qg Qgd Charge 90% 10 d(off) t off DSS dI/ Vdd Page ...