Datasheet

ManualsBrandsINFINEON TECHNOLOGIES ManualsFETsIRF3708PBF, MOSFET N channel 62A 30V

www.irf.com 1

6/10/04

IRF3708PbF

IRF3708SPbF

SMPS MOSFET

HEXFET

Power MOSFET

l High Frequency DC-DC Isolated Converters

with Synchronous Rectification for Telecom

and Industrial Use

Benefits

Applications

l Ultra-Low Gate Impedance

l Very Low R

DS(on)

at 4.5V V

l Fully Characterized Avalanche Voltage

and Current

DSS

DS(on)

max I

30V 12mΩ 62A

Notes  through  are on page 10

Absolute Maximum Ratings

Symbol Parameter Max. Units

Drain-Source Voltage 30 V

Gate-to-Source Voltage ±12 V

@ T

= 25°C Continuous Drain Current, V

@ 10V 62

@ T

= 70°C Continuous Drain Current, V

@ 10V 52 A

Pulsed Drain Current 248

= 25°C Maximum Power Dissipation 87 W

= 70°C Maximum Power Dissipation 61 W

Linear Derating Factor 0.58 W/°C

, T

STG

Junction and Storage Temperature Range -55 to + 175 °C

* When mounted on 1" square PCB (FR-4 or G-10 Material) .

For recommended footprint and soldering techniques refer to application note #AN-994

Pak

IRF3708S

TO-220AB

IRF3708

TO-262

IRF3708L

Thermal Resistance

Parameter Typ. Max. Units

θJC

Junction-to-Case ––– 1.73

θCS

Case-to-Sink, Flat, Greased Surface  0.50 ––– °C/W

θJA

Junction-to-Ambient ––– 62

θJA

Junction-to-Ambient (PCB mount)* ––– 40

IRF3708LPbF

l High Frequency Buck Converters for

Computer Processor Power

PD - 95363

l Lead-Free

Summary of content (11 pages)

PAGE 1
PD - 95363 IRF3708PbF IRF3708SPbF IRF3708LPbF SMPS MOSFET Applications l High Frequency DC-DC Isolated Converters with Synchronous Rectification for Telecom and Industrial Use l High Frequency Buck Converters for Computer Processor Power Lead-Free l HEXFET® Power MOSFET VDSS RDS(on) max ID 30V 12mΩ 62A Benefits l Ultra-Low Gate Impedance l Very Low RDS(on) at 4.
PAGE 2
IRF3708/S/LPbF Static @ TJ = 25°C (unless otherwise specified) Parameter Drain-to-Source Breakdown Voltage ∆V(BR)DSS/∆TJ Breakdown Voltage Temp. Coefficient V(BR)DSS RDS(on) VGS(th) IDSS IGSS Min. 30 ––– ––– Static Drain-to-Source On-Resistance ––– ––– Gate Threshold Voltage 0.6 ––– Drain-to-Source Leakage Current ––– Gate-to-Source Forward Leakage ––– Gate-to-Source Reverse Leakage ––– Typ. ––– 0.028 8 9.5 14.5 ––– ––– ––– ––– ––– Max. Units ––– V ––– V/°C 12.0 13.5 mΩ 29 2.
PAGE 3
IRF3708/S/LPbF VGS TOP 10.0V 5.0V 4.5V 4.0V 3.5V 3.3V 3.0V BOTTOM 2.7V 100 2.7V 10 1000 VGS 10.0V 5.0V 4.5V 4.0V 3.5V 3.3V 3.0V BOTTOM 2.7V TOP ID, Drain-to-Source Current (A) ID, Drain-to-Source Current (A) 1000 100 2.7V 10 20µs PULSE WIDTH Tj = 175°C 20µs PULSE WIDTH Tj = 25°C 1 1 0.1 1 10 100 0.1 VDS, Drain-to-Source Voltage (V) Fig 1. Typical Output Characteristics 2.
PAGE 4
IRF3708/S/LPbF 3500 10 2800 VGS , Gate-to-Source Voltage (V) VGS = 0V, f = 1MHz Ciss = Cgs + Cgd , Cds SHORTED Crss = Cgd Coss = Cds + Cgd C, Capacitance (pF) Ciss 2100 1400 Coss 700 0 Crss 1 10 6 4 2 0 VDS , Drain-to-Source Voltage (V) 20 30 40 50 Fig 6. Typical Gate Charge Vs. Gate-to-Source Voltage 1000 1000 OPERATION IN THIS AREA LIMITED BY RDS(on) TJ = 175 ° C 100 ID , Drain Current (A) ISD , Reverse Drain Current (A) 10 QG , Total Gate Charge (nC) Fig 5.
PAGE 5
IRF3708/S/LPbF 70 RD VDS VGS 60 D.U.T. ID , Drain Current (A) RG + -VDD 50 10V 40 Pulse Width ≤ 1 µs Duty Factor ≤ 0.1 % 30 Fig 10a. Switching Time Test Circuit 20 VDS 90% 10 0 25 50 75 100 125 150 175 TC , Case Temperature ( °C) 10% VGS Fig 9. Maximum Drain Current Vs. Case Temperature td(on) tr t d(off) tf Fig 10b. Switching Time Waveforms Thermal Response (Z thJC ) 10 1 D = 0.50 0.20 0.10 PDM 0.05 0.1 0.02 0.01 0.01 0.
PAGE 6
0.025 0.017 ( RDS(on), Drain-to -Source On ResistanceΩ) RDS ( on ) , Drain-to-Source On Resistance Ω ( ) IRF3708/S/LPbF 0.015 0.020 0.013 0.015 VGS = 4.5V 0.011 0.010 ID = 31A 0.009 VGS = 10V 0.005 0 50 100 150 200 250 0.007 300 2.0 ID , Drain Current ( A ) 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 VGS, Gate -to -Source Voltage (V) Fig 12. On-Resistance Vs. Drain Current Fig 13. On-Resistance Vs. Gate Voltage Current Regulator Same Type as D.U.T. QG VGS QGS .3µF D.U.T.
PAGE 7
IRF3708/S/LPbF TO-220AB Package Outline Dimensions are shown in millimeters (inches) 2.87 (.113) 2.62 (.103) 10.54 (.415) 10.29 (.405) -B- 3.78 (.149) 3.54 (.139) 4.69 (.185) 4.20 (.165) -A- 1.32 (.052) 1.22 (.048) 6.47 (.255) 6.10 (.240) 4 15.24 (.600) 14.84 (.584) LEAD ASSIGNMENTS 1.15 (.045) MIN 1 2 3 4- DRAIN 14.09 (.555) 13.47 (.530) 1.40 (.055) 1.15 (.045) 4- COLLECTOR 4.06 (.160) 3.55 (.
PAGE 8
IRF3708/S/LPbF D2Pak Package Outline Dimensions are shown in millimeters (inches) D2Pak Part Marking Information (Lead-Free) T H IS IS AN IR F 5 3 0 S W IT H L O T CO D E 8 0 2 4 AS S E M B L E D O N W W 0 2 , 2 0 0 0 IN T H E AS S E M B L Y L IN E "L " IN T E R N AT IO N AL R E CT IF IE R L O GO N ote: "P " in as s em bly lin e po s i tion in dicates "L ead-F r ee" P AR T N U M B E R F 53 0 S AS S E M B L Y L O T CO D E D AT E CO D E Y E AR 0 = 2 0 0 0 W E E K 02 L IN E L OR IN T E R N AT IO N AL R
PAGE 9
IRF3708/S/LPbF TO-262 Package Outline IGBT 1- GATE 2- COLLECTOR 3- EMITTER TO-262 Part Marking Information EXAMPLE: T HIS IS AN IRL3103L LOT CODE 1789 AS SEMBLED ON WW 19, 1997 IN T HE ASS EMBLY LINE "C" Note: "P" in as s embly line pos ition indicates "Lead-Free" INTERNAT IONAL RECT IFIER LOGO AS S EMBLY LOT CODE PART NUMBER DATE CODE YEAR 7 = 1997 WEEK 19 LINE C OR INT ERNAT IONAL RECT IFIER LOGO ASS EMBLY LOT CODE www.irf.
PAGE 10
IRF3708/S/LPbF D2Pak Tape & Reel Infomation Dimensions are shown in millimeters (inches) TRR 1.60 (.063) 1.50 (.059) 4.10 (.161) 3.90 (.153) FEED DIRECTION 1.85 (.073) 1.60 (.063) 1.50 (.059) 11.60 (.457) 11.40 (.449) 1.65 (.065) 0.368 (.0145) 0.342 (.0135) 15.42 (.609) 15.22 (.601) 24.30 (.957) 23.90 (.941) TRL 1.75 (.069) 1.25 (.049) 10.90 (.429) 10.70 (.421) 4.72 (.136) 4.52 (.178) 16.10 (.634) 15.90 (.626) FEED DIRECTION 13.50 (.532) 12.80 (.504) 27.40 (1.079) 23.90 (.941) 4 330.00 (14.
PAGE 11
Note: For the most current drawings please refer to the IR website at: http://www.irf.