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Fairchild FDD8445 Specifications Manual

Summary

Datasheet for Fairchild FDD8445 N-Channel PowerTrench MOSFET in TO-252 (DPAK) surface-mount package, featuring 40V drain-source voltage (VDSS) and 50A continuous drain current (ID) rating with ultra-low RDS(ON) optimized for automotive and power management applications. Features advanced PowerTrench process technology achieving extremely low on-resistance (RDS(ON) = 6.7mΩ typical at VGS = 10V, ID = 50A; 8.5mΩ typical at VGS = 4.5V, ID = 50A; 12mΩ typical at VGS = 3.0V, ID = 40A), low gate charge

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8445 N -C an el P er T ren ch

March 2007

FDD8445 N-Channel Power Trench® MOSFET 40V, 50A, 8.7mΩ Features Applications RDS(ON) = 6.7 mΩ (Typ), VGS = 10V, ID=50A Automotive Engine Control Qg(10) = 45n C (Typ), VGS=10V Powertrain Management Low Miller Charge Solenoid and Motor Drivers Low Qrr Body Diode Electronic Transmission UIS Capability (Single Pulse/ Repetitive Pulse) Distributed Power Architecture and VRMs Qualified to AEC Q101 Primary Switch for 12V Systems

Ro HS Compliant

FR EE AD

TA TIO

2007 Fairchild Semiconductor Corporation www.fairchildsemi.com1 DD8445 Rev A (W)

Page Summary Contents For Fairchild FDD8445 Specifications Manual

Page 1 8445 N -C an el P er T ren ch March 2007 FDD8445 N-Channel Power Trench® MOSFET 40V, 50A, 8.7mΩ Features Applications RDS(ON) = 6.7 mΩ (Typ), VGS = 10V, ID=50A Automotive Engine Control Qg(10) = 45n C...
Page 2 8445 N -C an el P er T ren ch Absolute Maximum Ratings Tc = 25°C unless otherwise noted Symbol Parameter Ratings Units VDSS Drain to Source Voltage VGS Gate to Source Voltage ±20 Drain Current Continu...
Page 3 8445 N -C an el P er T ren ch Electrical Characteristics TJ = 25°C unless otherwise noted Symbol Parameter Test Conditions Min Typ Max Units Switching Characteristics t(on) Turn-On Time ns td(on) Turn...
Page 4 8445 N -C an el P er T ren ch Typical Characteristics PO ER IS SI PA TI LT IP LI ER , P EA EN (A LI ZE ER IM PE E, θJ VGS=10V CURRENT LIMITED 1.0 BY PACKAGE TC , CASE TEMPERATURE(o C) TC, CASE TEMPERA...
Page 5 8445 N -C an el P er T ren ch Typical Characteristics IN , D IN EN (A , D IN EN (A -R ES IS TA (m If R = 0 t AV = (L)(IAS)/(1.3*RATED BVDSS - VDD) 10us If R ≠ 0 t AV = (L/R)ln[(IAS*R)/(1.3*RATED BVDSS...
Page 6 8445 N -C an el P er T ren ch Typical Characteristics PA IT (p F) LI ZE TE TH ES LD LT VGS=VDS ID =250μA ID =250μA TJ, JUNCTION TEMPERATURE (o C) TJ, JUNCTION TEMPERATURE (o C) Figure 11. Normalized G...
Page 7 8445 N -C an el P er T ren ch 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 a...

Manual Details

Brand Fairchild
Pages 7
File Size 383.86 KB
Published July 07, 2026
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