FDS6644 N-Channel PowerTrench® MOSFET General Description

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FDS6644 N-Channel PowerTrench® MOSFET General Description

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FDS6644
FDS6644
N-Channel PowerTrench® MOSFET
General Description
This N-Channel MOSFET been designed specifically improve overall efficiency DC/DC converters using either synchronous conventional switching controllers. been optimized gate charge, RDS(ON) fast switching speed.
Features
RDS(ON) RDS(ON) 10.5 High performance trench technology extremely RDS(ON) gate charge typical) High power current handling capability
Applications
DC/DC converter
SO-8
SO-8
TA=25 unless otherwise noted
Absolute Maximum Ratings
Symbol
VDSS VGSS Drain-Source Voltage Gate-Source Voltage Drain Current Continuous Pulsed
Parameter
Ratings
(Note
Units
+175
Power Dissipation Single Operation
(Note (Note (Note
TSTG
Operating Storage Junction Temperature Range
Thermal Characteristics
Thermal Resistance, Junction-to-Ambient Thermal Resistance, Junction-to-Ambient Thermal Resistance, Junction-to-Case
(Note (Note (Note
°C/W °C/W °C/W
Package Marking Ordering Information
Device Marking FDS6644 Device FDS6644 Reel Size 13'' Tape width 12mm Quantity 2500 units
©2001 Fairchild Semiconductor Corporation
FDS6644
FDS6644 PRELIMI NARY 4/FDU664
Electrical Characteristics
Symbol
BVDSS BVDSS IDSS IGSSF IGSSR
25°C unless otherwise noted
Parameter
Drain-Source Breakdown Voltage Breakdown Voltage Temperature Coefficient Zero Gate Voltage Drain Current Gate-Body Leakage, Forward Gate-Body Leakage, Reverse
(Note
Test Conditions
Referenced 25°C VGS, Referenced 25°C 11.8 A,TJ=125°C
Units
Characteristics
-100
mV/°C
Characteristics
VGS(th) VGS(th) RDS(on)
Gate Threshold Voltage Gate Threshold Voltage Temperature Coefficient Static Drain-Source On-Resistance On-State Drain Current Forward Transconductance
mV/°C
10.5
ID(on)
Dynamic Characteristics
Ciss Coss Crss Input Capacitance Output Capacitance Reverse Transfer Capacitance
(Note
3087
Switching Characteristics
td(on) td(off) Turn-On Delay Time Turn-On Rise Time Turn-Off Delay Time Turn-Off Fall Time Total Gate Charge Gate-Source Charge Gate-Drain Charge
RGEN
Drain-Source Diode Characteristics Maximum Ratings
Maximum Continuous Drain-Source Diode Forward Current Drain-Source Diode Forward Voltage
(Note
Notes: junction-to-case case-to-ambient thermal resistance where case thermal reference defined solder mounting surface drain pins. guaranteed design while determined user's board design.
50°C/W when mounted copper
105°C/W when mounted copper
125°C/W when mounted minimum pad.
Scale letter size paper Pulse Test: Pulse Width 300µs, Duty Cycle 2.0%
FDS6644 A(W)
FDS6644
Typical Characteristics
RDS(ON) NORMALIZED DRAIN-SOURCE ON-RESISTANCE
6.0V DRAIN CURRENT
3.5V 3.0V
1.75 3.0V 3.5V 1.25 4.0V 4.5V 6.0V
4.5V
2.5V
VDS, DRAIN-SOURCE VOLTAGE
0.75 DRAIN CURRENT
Figure On-Region Characteristics.
Figure On-Resistance Variation with Drain Current Gate Voltage.
0.024 DS(ON), ON-RESISTANCE (OHM)
RDS(ON) NORMALIZED DRAIN-SOURCE ON-RESISTANCE
0.02
0.016 0.012
0.008 25oC 0.004 VGS, GATE SOURCE VOLTAGE
JUNCTION TEMPERATURE
Figure On-Resistance Variation with Temperature.
DRAIN CURRENT VGS, GATE SOURCE VOLTAGE
Figure On-Resistance Variation with Gate-to-Source Voltage.
25oC 125oC
REVERSE DRAIN CURRENT
-55oC 0.01 0.001 0.0001 VSD, BODY DIODE FORWARD VOLTAGE
Figure Transfer Characteristics.
Figure Body Diode Forward Voltage Variation with Source Current Temperature.
FDS6644 A(W)
FDS6644
Typical Characteristics
VGS, GATE-SOURCE VOLTAGE CAPACITANCE (pF)
4000 3500 CISS 3000 2500 2000 1500 1000 COSS CRSS 1MHz
GATE CHARGE (nC)
VDS, DRAIN SOURCE VOLTAGE
Figure Gate Charge Characteristics.
10ms 100ms P(pk), PEAK TRANSIENT POWER 100µs DS(ON) LIMIT DRAIN CURRENT
Figure Capacitance Characteristics.
SINGLE PULSE 125°C/W 25°C
SINGLE PULSE oC/W
0.01 0.01
0.001
0.01
TIME (sec)
1000
VDS, DRAIN-SOURCE VOLTAGE
Figure Maximum Safe Operating Area.
Figure Single Pulse Maximum Power Dissipation.
r(t), NORMALIZED EFFECTIVE TRANSIENT THERMAL RESISTANCE
RJA(t) r(t) P(pk)
SINGLE PULSE
0.05 0.02 0.01
0.01
RJA(t) Duty Cycle,
0.001 0.0001
0.001
0.01
TIME (sec)
1000
Figure Transient Thermal Response Curve.
Thermal characterization performed using conditions described Note Transient thermal response will change depending circuit board design.
FDS6644 A(W)
TRADEMARKS
following registered unregistered trademarks Fairchild Semiconductor owns authorized intended exhaustive list such trademarks.
Quiet SeriesDISCLAIMER
FAST
QFETQSQT OptoelectronicsQuiet SeriesSILENT SWITCHER
SMART SuperSOTTM-6 SuperSOTTM-8
VCX
STAR*POWER used under license
FAIRCHILD SEMICONDUCTOR RESERVES RIGHT MAKE CHANGES WITHOUT FURTHER NOTICE PRODUCTS HEREIN IMPROVE RELIABILITY, FUNCTION DESIGN. FAIRCHILD DOES ASSUME LIABILITY ARISING APPLICATION PRODUCT CIRCUIT DESCRIBED HEREIN; NEITHER DOES CONVEY LICENSE UNDER PATENT RIGHTS, RIGHTS OTHERS.
LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS AUTHORIZED CRITICAL COMPONENTS LIFE SUPPORT DEVICES SYSTEMS WITHOUT EXPRESS WRITTEN APPROVAL FAIRCHILD SEMICONDUCTOR CORPORATION. used herein: Life support devices systems devices critical component component life systems which, intended surgical implant into support device system whose failure perform body, support sustain life, whose reasonably expected cause failure life failure perform when properly used accordance support device system, affect safety with instructions provided labeling, effectiveness. reasonably expected result significant injury user. PRODUCT STATUS DEFINITIONS Definition Terms Datasheet Identification Advance Information Product Status Formative Design Definition This datasheet contains design specifications product development. Specifications change manner without notice. This datasheet contains preliminary data, supplementary data will published later date. Fairchild Semiconductor reserves right make changes time without notice order improve design. This datasheet contains final specifications. Fairchild Semiconductor reserves right make changes time without notice order improve design.
Preliminary
First Production
Identification Needed
Full Production
Obsolete
Production
This datasheet contains specifications product that been discontinued Fairchild semiconductor. datasheet printed reference information only.
Rev.

FDS6644 N-Channel PowerTrench® MOSFET General Description

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