FDS3992 is a dual-channel power MOSFET with a voltage rating of 100V, a current rating of 4.5A, and an ON-resistance of 62mΩ. It features low Miller charge, low QRR body diode, and optimized efficiency at high frequencies. Additionally, it has UIS capability and is suitable for applications such as DC/DC converters, off-line UPS, distributed power architectures, VRMs, primary switches for 24V and 48V systems, high voltage synchronous rectifiers, direct injection/diesel injection systems, 42V automotive load control, and electronic valve train systems.
This document is a datasheet for the Fairchild Semiconductor FDS3992, a Dual N-Channel PowerTrench MOSFET. Key electrical characteristics include a drain to source voltage rating of 100V, a continuous drain current of 4.5A at 25°C, and an on-resistance (RDS(on)) of 62mΩ typical. The device is optimized for applications such as DC/DC converters, off-line UPS systems, and synchronous rectifiers, offering low gate charge and low Miller charge for high-frequency efficiency.
| Drain to Source Voltage | 100 V |
|---|---|
| Gate to Source Voltage | 42 V |
| Continuous Drain Current (Ta = 25°C) | 4.5 A |
| Continuous Drain Current (Ta = 100°C) | 2.8 A |
| Total Package Power Dissipation | 25 W |
| Operating and Storage Temperature | -55 to 150 °C |
| Drain to Source On Resistance (Typ) | 62 mΩ |
The maximum continuous drain current is 4.5 A when the ambient temperature is 25°C.
The typical drain to source on resistance is 62 mΩ.