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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.

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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)

Page 1 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...
Page 2 FD 315N Electrical Characteristics TA = 25°C unless otherwise noted Symbol Parameter Test Conditions Min Typ Max Units Off Characteristics BVDSS Drain-Source Breakdown Voltage VGS = 0 V, ID = 250 µA ∆...
Page 3 FD 315N , D IN EN (A S( LI ZE , D IN -S EN (A Typical Characteristics IN -S -R ES IS TA CE VGS = 10V 4.0V VGS = 3.5V VDS, DRAIN-SOURCE VOLTAGE (V) ID, DRAIN CURRENT (A) Figure 1. On-Region Characteris...
Page 4 FD 315N Typical Characteristics (continued) , D IN UR EN (A S, TE -S VO LT (V r( t), LI ZE FF EC TI VE TR NS IE NT HE RM AL ES IS TA NC f = 1MHz ID = 2A VDS = 5V VGS = 0 V Qg, GATE CHARGE (n C) VDS, D...
Page 5 TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an exhaustive list of all such trademarks. ACEx™ FAST...

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.