Datasheet

ManualsBrandsINFINEON TECHNOLOGIES ManualsFETsIRLR8256PBF, MOSFET

www.irf.com 1

08/02/11

IRLR8256PbF

IRLU8256PbF

HEXFET

Power MOSFET

Notes  through  are on page 11

Applications

PD - 96208A

D-Pak

IRLR8256PbF

I-Pak

IRLU8256PbF

GDS

Gate Drain Source

l High Frequency Synchronous Buck

Converters for Computer Processor Power

l High Frequency Isolated DC-DC

Converters with Synchronous Rectification

for Telecom and Industrial Use

ORDERING INFORMATION:

See detailed ordering and shipping information on the last page of this data sheet.

Benefits

l Very Low RDS(on) at 4.5V V

l Ultra-Low Gate Impedance

l Fully Characterized Avalanche Voltage

and Current

l Lead-Free

l RoHS compliant

DSS

DS(on)

max

25V

5.7m

10nC

Absolute Maximum Ratings

Parameter Units

Drain-to-Source Voltage

Gate-to-Source Voltage

@ T

= 25°C

Continuous Drain Current, V

@ 10V

@ T

= 100°C

Continuous Drain Current, V

@ 10V

Pulsed Drain Current

= 25°C

Maximum Power Dissipation

= 100°C

Maximum Power Dissipation

Linear Derating Factor W/°C

Operating Junction and

STG

Storage Temperature Range

Soldering Temperature, for 10 seconds

Thermal Resistance

Parameter Typ. Max. Units

θJC

Junction-to-Case

––– 2.4

θJA

Junction-to-Ambient (PCB Mount)

––– 50

θJA

Junction-to-Ambient ––– 110

°C

°C/W

0.42

300 (1.6mm from case)

-55 to + 175

Max.

325

± 20

Summary of content (11 pages)

PAGE 1
PD - 96208A Applications l High Frequency Synchronous Buck Converters for Computer Processor Power l High Frequency Isolated DC-DC Converters with Synchronous Rectification for Telecom and Industrial Use IRLR8256PbF IRLU8256PbF HEXFET® Power MOSFET VDSS RDS(on) max 5.7m: 25V Qg 10nC D Benefits l Very Low RDS(on) at 4.
PAGE 2
IRLR/U8256PbF Static @ TJ = 25°C (unless otherwise specified) Parameter Min. Typ. Max. Units Conditions BVDSS ΔΒVDSS/ΔTJ Drain-to-Source Breakdown Voltage Breakdown Voltage Temp. Coefficient 25 ––– ––– 18 ––– ––– RDS(on) Static Drain-to-Source On-Resistance ––– ––– 4.2 6.7 5.7 8.5 VGS(th) ΔVGS(th)/ΔTJ Gate Threshold Voltage Gate Threshold Voltage Coefficient IDSS Drain-to-Source Leakage Current 1.35 ––– ––– 1.8 -7.
PAGE 3
IRLR/U8256PbF 1000 1000 100 BOTTOM 10 1 TOP ID, Drain-to-Source Current (A) ID, Drain-to-Source Current (A) TOP VGS 10V 4.5V 3.7V 3.5V 3.3V 3.0V 2.7V 2.5V 100 BOTTOM 10 2.5V ≤60μs PULSE WIDTH 2.5V ≤60μs PULSE WIDTH Tj = 25°C 0.1 0.1 1 10 Tj = 175°C 1 100 0.1 V DS, Drain-to-Source Voltage (V) 1 10 100 V DS, Drain-to-Source Voltage (V) Fig 1. Typical Output Characteristics Fig 2. Typical Output Characteristics 1000 2.
PAGE 4
IRLR/U8256PbF 10000 5.0 VGS = 0V, f = 1 MHZ C iss = C gs + C gd, C ds SHORTED C rss = C gd VGS, Gate-to-Source Voltage (V) ID= 20A C, Capacitance (pF) C oss = C ds + C gd Ciss 1000 Coss Crss VDS= 20V VDS= 13V 4.0 3.0 2.0 1.0 0.0 100 1 10 0 100 1000 3 4 5 6 7 8 9 10 11 12 13 1000 ID, Drain-to-Source Current (A) ISD, Reverse Drain Current (A) 2 Fig 6. Typical Gate Charge vs. Gate-to-Source Voltage Fig 5. Typical Capacitance vs.
PAGE 5
IRLR/U8256PbF 90 2.5 Limited By Package VGS(th), Gate threshold Voltage (V) 80 ID, Drain Current (A) 70 60 50 40 30 20 10 0 2.0 1.5 ID = 25μA 1.0 0.5 25 50 75 100 125 150 175 -75 -50 -25 T C , Case Temperature (°C) 0 25 50 75 100 125 150 175 T J , Temperature ( °C ) Fig 9. Maximum Drain Current vs. Case Temperature Fig 10. Threshold Voltage vs. Temperature Thermal Response ( Z thJC ) °C/W 10 D = 0.50 1 0.20 0.10 0.05 0.1 0.02 0.01 τJ 0.
PAGE 6
IRLR/U8256PbF 15V + V - DD IAS A 0.01Ω tp Fig 12a. Unclamped Inductive Test Circuit V(BR)DSS tp EAS , Single Pulse Avalanche Energy (mJ) D.U.T RG 20V VGS DRIVER L VDS 400 ID TOP 5.57A 8.50A BOTTOM 20A 350 300 250 200 150 100 50 0 25 50 75 100 125 150 175 Starting T J , Junction Temperature (°C) Fig 12c. Maximum Avalanche Energy vs. Drain Current I AS Fig 12b. Unclamped Inductive Waveforms V DS V GS RG Current Regulator Same Type as D.U.T. D.U.T.
PAGE 7
IRLR/U8256PbF D.U.T Driver Gate Drive P.W. + + - - * D.U.T. ISD Waveform Reverse Recovery Current + RG • • • • dv/dt controlled by RG Driver same type as D.U.T. I SD controlled by Duty Factor "D" D.U.T. - Device Under Test V DD P.W. Period VGS=10V Circuit Layout Considerations • Low Stray Inductance • Ground Plane • Low Leakage Inductance Current Transformer - D= Period + Body Diode Forward Current di/dt D.U.T.
PAGE 8
IRLR/U8256PbF D-Pak (TO-252AA) Package Outline Dimensions are shown in millimeters (inches) D-Pak (TO-252AA) Part Marking Information EXAMPLE: T HIS IS AN IRFR120 WITH AS SEMBLY LOT CODE 1234 ASSEMBLED ON WW 16, 2001 IN THE AS SEMBLY LINE "A" PART NUMBER INTERNAT IONAL RECTIF IER LOGO Note: "P" in assembly line position indicates "Lead-Free" IRFR120 12 116A 34 AS SEMBLY LOT CODE DAT E CODE YEAR 1 = 2001 WEEK 16 LINE A "P" in ass embly line pos ition indicates "Lead-Free" qualification to the consum
PAGE 9
IRLR/U8256PbF I-Pak (TO-251AA) Package Outline Dimensions are shown in millimeters (inches) I-Pak (TO-251AA) Part Marking Information EXAMPLE: T HIS IS AN IRF U120 WIT H AS S EMBLY LOT CODE 5678 AS S EMBLED ON WW 19, 2001 IN T HE AS S EMBLY LINE "A" INT E RNAT IONAL RECT IF IER LOGO PART NUMBER IRFU120 119A 56 78 AS S EMBLY LOT CODE Note: "P" in as s embly line pos ition indicates Lead-Free" DAT E CODE YE AR 1 = 2001 WE EK 19 LINE A OR INT ERNAT IONAL RE CT IFIER LOGO PART NUMBER IRFU120 56 AS S EM
PAGE 10
IRLR/U8256PbF D-Pak (TO-252AA) Tape & Reel Information Dimensions are shown in millimeters (inches) TR TRR 16.3 ( .641 ) 15.7 ( .619 ) 12.1 ( .476 ) 11.9 ( .469 ) FEED DIRECTION TRL 16.3 ( .641 ) 15.7 ( .619 ) 8.1 ( .318 ) 7.9 ( .312 ) FEED DIRECTION NOTES : 1. CONTROLLING DIMENSION : MILLIMETER. 2. ALL DIMENSIONS ARE SHOWN IN MILLIMETERS ( INCHES ). 3. OUTLINE CONFORMS TO EIA-481 & EIA-541. 13 INCH 16 mm NOTES : 1. OUTLINE CONFORMS TO EIA-481.
PAGE 11
IRLR/U8256PbF Orderable part number Package Type IRLR8256PBF IRLR8256TRPBF D-PAK D-PAK IRLR8256PBF I-PAK Standard Pack Form Quantity Tube/Bulk 75 Tape and Reel 2000 Tube/Bulk Note 75 Qualification Information† Qualification level Industrial †† ††† (per JEDEC JESD47F guidelines) Comments: This family of products has passed JEDEC’s Industrial qualification. IR’s Consumer qualification level is granted by extension of the higher Industrial level.