ao4478 Alpha & Omega Semiconductor, ao4478 Datasheet
ao4478
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ao4478 Summary of contents
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... General Description The AO4478 uses advanced trench technology to provide excellent R , low gate charge. This DS(ON) device is suitable for use as general puspose, PWM and a load switch applications. SOIC-8 Top View Absolute Maximum Ratings T Parameter Drain-Source Voltage Gate-Source Voltage T =25° C ...
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... AO4478 Electrical Characteristics (T =25° C unless otherwise noted) J Symbol Parameter STATIC PARAMETERS BV Drain-Source Breakdown Voltage DSS I Zero Gate Voltage Drain Current DSS I Gate-Body leakage current GSS V Gate Threshold Voltage GS(th state drain current D(ON) R Static Drain-Source On-Resistance DS(ON) g Forward Transconductance FS V Diode Forward Voltage ...
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... AO4478 TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS 10V (Volts) DS Figure 1: On-Region Characteristics(Note =4. =10V (A) D Figure 3: On-Resistance vs. Drain Current and Gate Voltage(Note 125°C 30 25° ...
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... AO4478 TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS 10 V =15V = (nC) g Figure 7: Gate-Charge Characteristics =25° =25° =150° =150° 0.000001 0.00001 Time in avalanche, t Figure 9: Single Pulse Avalanche capability ...
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... AO4478 TYPICAL ELECTRICAL AND THERMAL CHARACTERISTICS =75°C 0.1 0.01 Single Pulse 0.001 0.00001 0.0001 0.001 Figure 12: Normalized Maximum Transient Thermal Impedance (Note F) Alpha & Omega Semiconductor, Ltd. In descending order D=0.5, 0.3, 0.1, 0.05, 0.02, 0.01, single pulse JA 0.01 0.1 Pulse Width ( ...
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... AO4478 + VDC - Vgs Ig Vds Vgs Rg Vgs Unclamped Inductive Switching (UIS) Test Circuit & Waveforms L Vds Id Vgs Rg DUT Vgs Vds + DUT Vds - L Isd Vgs Ig Alpha & Omega Semiconductor, Ltd. Gate Charge Test Circuit & Waveform Vgs 10V + Vds VDC - DUT Resistive Switching Test Circuit & Waveforms ...