The FDD3706/FDU3706 is a N-Channel MOSFET from Fairchild Semiconductor Corp. It features low on-resistance, low gate charge, fast switching speed, and is suitable for applications such as DC/DC converters and motor drives
The document provides a general description of the FDD3706/FDU3706 devices, which are 20V N-Channel PowerTrench MOSFETs designed to improve efficiency in DC/DC converters and motor drives. Key features highlighted include low gate charge, fast switching speed, and extremely low on-resistance available in D-PAK (TO-252) and I-PAK (TO-251) packages.
The datasheet presents comprehensive electrical characteristics, including drain-source breakdown voltage, threshold voltage, on-resistance at various temperatures and currents, and switching parameters. It also includes typical characteristic curves for on-region behavior, temperature coefficients, transfer characteristics, gate charge, capacitance, safe operating areas, and transient thermal response.
| Drain-Source Voltage | 20 V |
|---|---|
| Continuous Drain Current @Tj=25°C | 50 A |
| Power Dissipation @Tc=25°C | 44 W |
| Operating and Storage Junction Temperature Range | -55 to +175 °C |
| Thermal Resistance, Junction-to-Case | 3.4 °C/W |
| Total Gate Charge | 16 nC |