Datasheet

ManualsBrandsFAIRCHILD SEMICONDUCTOR ManualsFETsFDMS8020, MOSFET

November 2011

FDMS8020 Rev. C

www.fairchildsemi.com

FDMS8020 N-Channel PowerTrench

MOSFET

FDMS8020

N-Channel PowerTrench

MOSFET

30 V, 42 A, 2.5 mΩ

Features

 Max r

DS(on)

= 2.5 mΩ at V

= 10 V, I

= 26 A

 Max r

DS(on)

= 3.6 mΩ at V

= 4.5 V, I

= 21.5 A

 Advanced Package and Silicon combination for low r

DS(on)

and high efficiency

 Next generation enhanced body diode technology,

engineered for soft recovery

 MSL1 robust package design

 100% UIL tested

 RoHS Compliant

General Description

This N-Channel MOSFET has been designed specifically to

improve the overall efficiency and to minimize switch node

ringing of DC/DC converters using either synchronous or

conventional switching PWM controllers.It has been optimized

for low gate charge, low r

DS(on)

, fast switching speed ang body

diode reverse recovery performance.

Applications

 VRM Vcore Switching for Desktop and Server

 OringFET / Load Switching

 DC-DC Conversion

 Motor Bridge Switch

Power 56

Pin 1

Bottom

Top

MOSFET Maximum Ratings T

= 25 °C unless otherwise noted

Thermal Characteristics

Package Marking and Ordering Information

Symbol Parameter Ratings Units

Drain to Source Voltage 30 V

Gate to Source Voltage (Note 4) ±20 V

Drain Current -Continuous (Package limited) T

= 25 °C 42

-Continuous (Silicon limited) T

= 25 °C 131

-Continuous T

= 25 °C (Note 1a) 26

-Pulsed 150

Single Pulse Avalanche Energy (Note 3) 93 mJ

Power Dissipation T

= 25 °C 65

Power Dissipation T

= 25 °C (Note 1a) 2.5

, T

STG

Operating and Storage Junction Temperature Range -55 to +150 °C

θJC

Thermal Resistance, Junction to Case 1.9

°C/W

θJA

Thermal Resistance, Junction to Ambient (Note 1a) 50

Device Marking Device Package Reel Size Tape Width Quantity

FDMS8020 FDMS8020 Power 56 13 ’’ 12 mm 3000 units

Summary of content (7 pages)

PAGE 1
FDMS8020 N-Channel PowerTrench® MOSFET 30 V, 42 A, 2.5 mΩ Features General Description Max rDS(on) = 2.5 mΩ at VGS = 10 V, ID = 26 A Max rDS(on) = 3.6 mΩ at VGS = 4.5 V, ID = 21.5 A This N-Channel MOSFET has been designed specifically to improve the overall efficiency and to minimize switch node ringing of DC/DC converters using either synchronous or conventional switching PWM controllers.
PAGE 2
Symbol Parameter Test Conditions Min Typ Max Units Off Characteristics BVDSS Drain to Source Breakdown Voltage ID = 250 μA, VGS = 0 V ΔBVDSS ΔTJ Breakdown Voltage Temperature Coefficient ID = 250 μA, referenced to 25 °C IDSS Zero Gate Voltage Drain Current VDS = 24 V, VGS = 0 V IGSS Gate to Source Leakage Current, Forward VGS = 20 V, VDS = 0 V 30 V 14 mV/°C 1 μA 100 nA 3.
PAGE 3
5 VGS = 10 V NORMALIZED DRAIN TO SOURCE ON-RESISTANCE ID, DRAIN CURRENT (A) 150 VGS = 4.5 V 120 VGS = 4 V VGS = 3.5 V 90 VGS = 3 V 60 30 0 PULSE DURATION = 80 μs DUTY CYCLE = 0.5% MAX 0 1 2 3 4 VGS = 3 V 4 VGS = 3.5 V 3 2 VGS = 4 V 1 0 5 0 30 Figure 1. On-Region Characteristics 90 120 150 Figure 2. Normalized On-Resistance vs Drain Current and Gate Voltage 1.6 10 ID = 26 A VGS = 10 V 1.5 rDS(on), DRAIN TO 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.
PAGE 4
10000 ID = 26 A Ciss 8 VDD = 12 V CAPACITANCE (pF) VGS, GATE TO SOURCE VOLTAGE (V) 10 VDD = 18 V 6 VDD =15 V 4 Coss 1000 Crss 100 2 0 f = 1 MHz VGS = 0 V 0 5 10 15 20 25 30 35 40 10 0.1 45 1 10 30 VDS, DRAIN TO SOURCE VOLTAGE (V) Qg, GATE CHARGE (nC) Figure 7. Gate Charge Characteristics Figure 8. Capacitance vs Drain to Source Voltage 150 100 ID, DRAIN CURRENT (A) IAS, AVALANCHE CURRENT (A) o RθJC = 1.
PAGE 5
2 NORMALIZED THERMAL IMPEDANCE, ZθJA 1 0.1 DUTY CYCLE-DESCENDING ORDER D = 0.5 0.2 0.1 0.05 0.02 0.01 PDM t1 t2 0.01 NOTES: DUTY FACTOR: D = t1/t2 PEAK TJ = PDM x ZθJA x RθJA + TA SINGLE PULSE o RθJA = 125 C/W 0.001 -4 10 -3 10 -2 10 -1 10 1 10 100 1000 t, RECTANGULAR PULSE DURATION (sec) Figure 13. Junction-to-Ambient Transient Thermal Response Curve ©2011 Fairchild Semiconductor Corporation FDMS8020 Rev. C 5 www.fairchildsemi.
PAGE 6
FDMS8020 N-Channel PowerTrench® MOSFET Dimensional Outline and Pad Layout ©2011 Fairchild Semiconductor Corporation FDMS8020 Rev. C 6 www.fairchildsemi.
PAGE 7
tm tm tm *Trademarks of System General Corporation, used under license by Fairchild Semiconductor. DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION, OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.