Fairchild FDD390N15A User's Manual
Summary
The FDD390N15A is a high-efficiency N-Channel PowerTrench MOSFET engineered for robust power switching at 150V/26A. This comprehensive datasheet provides detailed measurements, including maximum ratings, thermal characteristics, dynamic parameters, and precise electrical specifications crucial for design validation. It is the ideal component for building highly efficient equipment such as DC to DC converters, server and telecom PSUs requiring synchronous rectification, battery chargers, and advanced AC motor drives.
Page 1 Text Content
-C l P r T re
October 2011
FDD390N15A N-Channel Power Trench® MOSFET 150V, 26A, 40mΩ Features Description RDS(on) = 33.5mΩ ( Typ.)@ VGS = 10V, ID = 26A This N-Channel MOSFET is produced using Fairchild
Semiconductor’s advance Power Trench process that has been
Fast Switching Speed
especially tailored to minimize the on-state resistance and yet maintain superior switching performance.
Low Gate Charge
High Performance Trench Technology for Extremely Low RDS(on)
Application
High Power and Current Handling Capability
DC to DC Converters
Ro HS Compliant
Synchronous Rectification for Server/Telecom PSU
Battery Charger
AC Motor Drives and Uninterruptible Power Supplies
Off-line UPS
D-PAK
o C unless otherwise noted
MOSFET Maximum Ratings TC = 25 Symbol Parameter Ratings Units VDSS Drain to Source Voltage VGSS Gate to Source Voltage ±20
o C,Silicon Limited)
-Continuous (TC = 25
ID Drain Current
o C,Silicon Limited)
-Continuous (TC = 100
IDM Drain Current - Pulsed (Note 1) EAS Single Pulsed Avalanche Energy (Note 2) m J dv/dt Peak Diode Recovery dv/dt (Note 3) 6.0 V/ns
(TC = 25
PD Power Dissipation
- Derate above 25o C 0.5 W/o C
TJ, TSTG Operating and Storage Temperature Range -55 to +150
Maximum Lead Temperature for Soldering Purpose, o C
1/8” from Case for 5 Seconds
Thermal Characteristics Symbol Parameter Ratings Units RθJC Thermal Resistance, Junction to Case 2.0
RθJA Thermal Resistance, Junction to Ambient 87
©2011 Fairchild Semiconductor Corporation www.fairchildsemi.com1 FDD390N15A Rev. C1
Page Summary Contents For Fairchild FDD390N15A User's Manual
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 9 |
| File Size | 619.45 KB |
| Published | July 12, 2026 |
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Frequently Asked Questions
What major applications is this MOSFET designed for?
It is suitable for DC to DC Converters, Synchronous Rectification in PSUs, AC Motor Drives, and Uninterruptible Power Supplies.
How efficient is the device at operating?
The typical static drain to source on-resistance (Rds(on)) is 33.5 mΩ at 10V and 26A.
What are the maximum temperature limits for use?
The specified operating and storage temperature range for this MOSFET is -55°C to +150°C.
How do I calculate power dissipation on a circuit board?
Power dissipation must be derated above 25°C, typically starting at a rate of 0.5 W/°C.