FDMS8558SDC N-Channel PowerTrench® SyncFETTM is a low-impedance N-channel synchronous rectifier that uses Fairchild Semiconductor's advanced PowerTrench® process to achieve the highest conversion efficiency at extremely low junction temperatures.
The FDMS8558SDC is an N-Channel SyncFET produced using Fairchild Semiconductor's advanced PowerTrench process. It features a SyncFET Schottky Body Diode and is designed for applications requiring synchronous rectification in DC/DC converters, telecom secondary side rectification, and high-end server/workstation Vcore low-side power.
| Drain to Source Voltage | 25 V |
|---|---|
| Power Dissipation (Ta = 25°C) | 89 W |
| Operating and Storage Junction Temperature Range | -55 to +150 °C |
| Thermal Resistance, Junction to Case (Top Source) | 28 °C/W |
| Thermal Resistance, Junction to Case (Bottom Drain) | 1.4 °C/W |
| Thermal Resistance, Junction to Ambient (Note 1a) | 38 °C/W |
| Gate to Source Threshold Voltage (Typical) | 1.4 V |
| Static Drain to Source On Resistance (Typical) | 1.7 mΩ |
It is used for synchronous rectification in DC/DC converters, telecom secondary side rectification, and high-end server/workstation Vcore low-side power.
The thermal resistance from junction to ambient is 38 °C/W under standard conditions (Note 1a).