Fairchild FDG315N Technical Data Sheet (TDS)
Summary
Discover the FDG315N, an N-Channel Logic Level PowerTrench MOSFET engineered for superior switching performance and ultra-low on-state resistance in compact designs. This component is essential for high-efficiency, low-voltage power applications, making it ideal for DC/DC converters, load switches, and advanced power management systems powered by batteries. The comprehensive manual details all necessary electrical characteristics, thermal data, and dynamic specifications required for reliable integration into complex electronic circuits and professional engineering projects.
Page 1 Text Content
FD 315N
July 2000
FDG315N N-Channel Logic Level Power Trench MOSFET
General Description Features
This N-Channel Logic Level MOSFET is produced using
2 A, 30 V. RDS(ON) = 0.12 Ω @ VGS = 10 V
Fairchild Semiconductor's advanced Power Trench
process that has been especially tailored to minimize RDS(ON) = 0.16 Ω @ VGS = 4.5 V.
on-state resistance and yet maintain superior switching performance. Low gate charge (2.1n C typical).
These devices are well suited for low voltage and
High performance trench technology for extremely low
battery powered applications where low in-line power
RDS(ON).
loss and fast switching are required.
Compact industry standard SC70-6 surface mount
Applications
package.
DC/DC converter Load switch Power Management
SC70-6
Absolute Maximum Ratings TA = 25°C unless otherwise noted Symbol Parameter Ratings Units VDSS Drain-Source Voltage
VGSS Gate-Source Voltage ±20
ID Drain Current - Continuous (Note 1a)
- Pulsed
Power Dissipation for Single Operation (Note 1a) 0.75 WPD (Note 1b) 0.48
TJ, Tstg Operating and Storage Junction Temperature Range -55 to +150 °C
Thermal Characteristics
RθJA Thermal Resistance, Junction-to-Ambient (Note 1b) °C/W
Package Marking and Ordering Information Device Marking Device Reel Size Tape Width Quantity
.15 FDG315N 7’’ 8mm 3000 units
2000 Fairchild Semiconductor International FDG315N Rev. C
Page Summary Contents For Fairchild FDG315N Technical Data Sheet (TDS)
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 5 |
| File Size | 81.10 KB |
| Published | May 30, 2026 |
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Frequently Asked Questions
What are the ideal use cases for this N-Channel MOSFET?
It is best suited for low voltage, battery-powered applications requiring fast switching and minimal power loss.
Can I use this component in life support or critical systems?
No; its use in life support devices requires the express written approval of Fairchild Semiconductor Corporation.
How do I determine the total thermal resistance (R)?
The overall thermal resistance is calculated as the sum of the junction-to-case ($ heta_{JC}$) and case-to-ambient ($ heta_{CA}$) thermal resistances.
What are the key operating ratings for this MOSFET?
It has a Drain-Source Voltage ($V_{DS}$) rating of 30 V and can handle a continuous drain current up to 2 A.