The FDD8778/FDU8778 N-Channel PowerTrench® MOSFET is a 25V, 35A, 14mΩ N-Channel MOSFET with low gate charge, low rDS(on) and fast switching speed, which is suitable for DC-DC converters, VRM and other applications.
The document describes the FDD8778/FDU8778 series of N-Channel PowerTrench MOSFETs designed to improve efficiency in DC/DC converters using synchronous or conventional switching PWM controllers. These devices are optimized for low gate charge, low on-resistance (Rds(on)), and fast switching speed.
| Drain to Source Voltage (Vds) | 25 V |
|---|---|
| Continuous Drain Current (Package Limited) | 35 A |
| Continuous Drain Current (Die Limited) | 40 A |
| Pulsed Drain Current | 145 A |
| Power Dissipation | 39 W |
| Operating and Storage Temperature Range | -55 to 175 °C |
| Thermal Resistance (Junction to Case) | 3.8 °C/W |
| Thermal Resistance (Junction to Ambient) | 100 °C/W |
| Gate Charge (Typical at Vgs=10V) | 12.6 nC |
| On Resistance (Typical at Vgs=4.5V, Id=33A) | 21.0 mΩ |
It is designed for DC-DC converters in desktop computers and servers using synchronous or conventional switching PWM controllers.
Yes, the document lists RoHS compliance as a feature of the device.