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Fairchild Semiconductor FDMS8558S N-Channel PowerTrench SyncFET Datasheet
This document is a datasheet for the Fairchild Semiconductor FDMS8558S, an N-Channel PowerTrench SyncFET device. It utilizes advanced PowerTrench technology combined with a SyncFET Schottky Body Diode to achieve extremely low on-resistance and efficient switching performance. The device is designed for applications such as synchronous rectification in DC/DC converters, telecom secondary side rectification, and high-end server/workstation Vcore low-side power.
Read onlineFairchild FDMS8558S specifications
| 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 |
Source: Fairchild Semiconductor FDMS8558SDC N-Channel MOSFET Datasheet
All Fairchild FDMS8558S documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
Is this device RoHS compliant?
Yes, the datasheet explicitly states that the device is RoHS Compliant.
From: Fairchild Semiconductor FDMS8558S N-Channel PowerTrench SyncFET Datasheet
What is the maximum continuous drain current for this device at 25°C?
The maximum continuous drain current is 90 A when the temperature is 25°C.
From: Fairchild Semiconductor FDMS8558S N-Channel PowerTrench SyncFET Datasheet
What are the main applications for the FDMS8558SDC?
It is used for synchronous rectification in DC/DC converters, telecom secondary side rectification, and high-end server/workstation Vcore low-side power.
From: Fairchild Semiconductor FDMS8558SDC N-Channel MOSFET Datasheet
What is the thermal resistance from junction to ambient?
The thermal resistance from junction to ambient is 38 °C/W under standard conditions (Note 1a).
From: Fairchild Semiconductor FDMS8558SDC N-Channel MOSFET Datasheet