FDN371N is a 20V N-channel MOSFET produced by Fairchild. It uses Fairchild's high voltage PowerTrench process and is used in load switch, battery protection, and power management applications.
The FDN371N is a 20 V N‑Channel PowerTrench MOSFET designed for power‑management applications such as load switches. It features a low gate charge of 7.6 nC typical and high switching speed, making it suitable for efficient power conversion.
The datasheet provides absolute maximum ratings, electrical characteristics, thermal parameters, and package information, along with typical performance curves and safety notices. It is intended for designers needing detailed device specifications for circuit integration.
| Drain‑Source Voltage (VDS) | 20 V |
|---|---|
| Gate‑Source Voltage (VGS) | 40 V |
| Continuous Drain Current (ID) | 2.5 A |
| Pulsed Drain Current | 10 A |
| Power Dissipation (PD) | 0.5 W |
| Junction‑to‑Ambient Thermal Resistance (RθJA) | 250 °C/W |
| Junction‑to‑Case Thermal Resistance (RθJC) | 75 °C/W |
| On‑Resistance (RDS(on)) | 50 mΩ typical |
| Gate Charge (Qg) | 7.6 nC typical |
| Operating Temperature Range | -55 °C to +150 °C |
The device is rated for a maximum drain‑source voltage of 20 V.
The typical gate charge is 7.6 nC.
It can operate from –55 °C up to +150 °C.