FAIRCHILD FDN361AN N-Channel Logic Level PowerTrench User's Manual (1)
Summary
The FDN361AN is a high-performance N-Channel MOSFET engineered using PowerTrench technology. It offers superior switching capabilities and minimal on-state resistance for efficiency in demanding applications. This manual provides comprehensive technical data, including full electrical characteristics, thermal specifications (R_th), and switching timings. It is essential reference material for engineers developing circuits such as DC/DC converters, load switches, and motor control drives who require reliable, high-power components.
Page 1 Text Content
April 1999
FDN361AN N-Channel, Logic Level, Power TrenchΤΜ
General Description Features
This N-Channel Logic Level MOSFET is produced using • 1.8 A, 30 V. R = 0.100 Ω @ V = 10 V
DS(on) GS
Fairchild Semiconductor's Power Trench process that has
= 0.150 Ω @ V = 4.5 V. been especially tailored to minimize the on-state resistance DS(on) GS
and yet maintain low gate charge for superior switching
Low gate charge ( 2.1n C typical ).
performance.
Fast switching speed.
High performance trench technology for extremely
Applications
low R DS(on)
• DC/DC converter
High power version of industry standard SOT-23
• Load switch
package. Identical pin out to SOT-23 with
• Motor drives
30% higher power handling capability.
Super SOT -3TM
Absolute Maximum Ratings TA=25o C unless otherwise noted Symbol Parameter FDN361AN Units VDSS Drain-Source Voltage VGSS Gate-Source Voltage - Continuous ±20 ID Drain Current - Continuous (Note 1a) 1.8
- Pulsed
PD Power Dissipation for Single Operation (Note 1a) 0.5
(Note 1b) 0.46 TJ, Tstg Operating and Storage Junction Temperature Range -55 to +150 °C
Thermal Characteristics RθJA Thermal Resistance, Junction-to-Ambient (Note 1a) °C/W RθJC Thermal Resistance, Junction-to-Case (Note 1) °C/W
Package Marking and Ordering Information Device Marking Device Reel Size Tape width Quantity
FDN361AN 7’’ 8mm 3000 units
1998 Fairchild Semiconductor Corporation FDN361AN, Rev. C
Page Summary Contents For FAIRCHILD FDN361AN N-Channel Logic Level PowerTrench User's Manual (1)
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 8 |
| File Size | 949.15 KB |
| Published | June 15, 2026 |
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Frequently Asked Questions
What is the maximum drain-source voltage rating for this component?
The absolute maximum Drain-Source Voltage (VDSS) is 30 V.
What are the key electrical advantages of the FDN361AN MOSFET?
It features low gate charge, fast switching speed, and a low on-state resistance for superior performance.
Can this product be used in life support systems?
No; it is not authorized for use as critical components in life support devices without the express written approval of Fairchild Semiconductor Corporation.
How are thermal resistances calculated during mounting?
The total thermal resistance (R) is the sum of the junction-to-case ($ heta_{JC}$) and case-to-ambient ($ heta_{CA}$) thermal resistances.