PD - 95071A IRFR3708PbF IRFU3708PbF SMPS MOSFET HEXFET® Power MOSFET Applications l l l High Frequency DC-DC Isolated Converters with Synchronous Rectification for Telecom and Industrial Use VDSS RDS(on) max ID 30V 12.5mΩ 61A High Frequency Buck Converters for Computer Processor Power Lead-Free Benefits l Ultra-Low Gate Impedance l Very Low RDS(on) at 4.5V VGS l Fully Characterized Avalanche Voltage and Current D-Pak IRFR3708 I-Pak IRFU3708 Absolute Maximum Ratings Symbol VDS VGS ID @ TA = 25°C ID @ TA = 70°C IDM PD @TA = 25°C PD @TA = 70°C TJ , TSTG Parameter Drain-Source Voltage Gate-to-Source Voltage Continuous Drain Current, VGS @ 10V Continuous Drain Current, VGS @ 10V Pulsed Drain Current Maximum Power Dissipation Maximum Power Dissipation Linear Derating Factor Junction and Storage Temperature Range Max. Units 30 ± 12 61 51 244 87 61 0.58 -55 to + 175 V V A W W W/°C °C Thermal Resistance Parameter RθJC RθJA RθJA Junction-to-Case Junction-to-Ambient (PCB mount)* Junction-to-Ambient www.kersemi.com Typ. Max. Units ––– ––– ––– 1.73 50 110 °C/W 1 12/13/04 IRFR/U3708PbF 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 8.5 10.0 15.0 ––– ––– ––– ––– ––– Max. Units ––– V ––– V/°C 12.5 14.0 mΩ 30.0 2.0 V 20 µA 100 200 nA -200 Conditions VGS = 0V, ID = 250µA Reference to 25°C, ID = 1mA VGS = 10V, ID = 15A VGS = 4.5V, ID = 12A VGS = 2.8V, ID = 7.5A VDS = VGS, ID = 250µA VDS = 24V, VGS = 0V VDS = 24V, VGS = 0V, TJ = 125°C VGS = 12V VGS = -12V Dynamic @ TJ = 25°C (unless otherwise specified) Symbol gfs Qg Qgs Qgd Qoss td(on) tr td(off) tf Ciss Coss Crss Parameter Forward Transconductance Total Gate Charge Gate-to-Source Charge Gate-to-Drain ("Miller") Charge Output Gate Charge Turn-On Delay Time Rise Time Turn-Off Delay Time Fall Time Input Capacitance Output Capacitance Reverse Transfer Capacitance Min. 49 ––– ––– ––– ––– ––– ––– ––– ––– ––– ––– ––– Typ. ––– 24 6.7 5.8 14 7.2 50 17.6 3.7 2417 707 52 Max. Units Conditions ––– S VDS = 15V, ID = 50A ––– ID = 24.8A ––– nC VDS = 15V ––– VGS = 4.5V 21 VGS = 0V, ID = 24.8A, VDS = 15V ––– VDD = 15V ––– ID = 24.8A ns ––– RG = 0.6Ω ––– VGS = 4.5V ––– VGS = 0V ––– VDS = 15V ––– pF ƒ = 1.0MHz Avalanche Characteristics Symbol EAS IAR Parameter Single Pulse Avalanche Energy Avalanche Current Typ. Max. Units ––– ––– 213 62 mJ A Diode Characteristics Symbol IS ISM VSD trr Qrr trr Qrr 2 Parameter Continuous Source Current (Body Diode) Pulsed Source Current (Body Diode) Diode Forward Voltage Reverse Reverse Reverse Reverse Recovery Recovery Recovery Recovery Time Charge Time Charge Min. Typ. Max. Units ––– ––– 61 ––– ––– 244 ––– 0.88 ––– 0.80 ––– 41 ––– 64 ––– 43 ––– 70 1.3 ––– 62 96 65 105 A V ns nC ns nC Conditions D MOSFET symbol showing the G integral reverse p-n junction diode. S TJ = 25°C, IS = 31A, VGS = 0V TJ = 125°C, IS = 31A, VGS = 0V TJ = 25°C, IF = 31A, VR=20V di/dt = 100A/µs TJ = 125°C, IF = 31A, VR=20V di/dt = 100A/µs www.kersemi.com IRFR/U3708PbF 1000 VGS TOP 10.0V 5.0V 4.5V 4.0V 3.5V 3.3V 3.0V BOTTOM 2.7V 100 2.7V 10 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 RDS(on) , Drain-to-Source On Resistance (Normalized) I D , Drain-to-Source Current (A) 2.5 TJ = 25 ° C TJ = 175 ° C 10 2.0 V DS = 15V 20µs PULSE WIDTH 3.0 4.0 5.0 6.0 VGS , Gate-to-Source Voltage (V) Fig 3. Typical Transfer Characteristics www.kersemi.com 10 100 Fig 2. Typical Output Characteristics 1000 100 1 VDS, Drain-to-Source Voltage (V) ID = 61A 2.0 1.5 1.0 0.5 0.0 -60 -40 -20 0 VGS = 10V 20 40 60 80 100 120 140 160 180 TJ , Junction Temperature ( °C) Fig 4. Normalized On-Resistance Vs. Temperature 3 IRFR/U3708PbF 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 Crss 0 1 10 ID = 24.8A 8 6 4 2 0 100 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. Typical Capacitance Vs. Drain-to-Source Voltage TJ = 25 ° C 10 10us 100 100us 1ms 10 1 10ms 0.1 0.2 TC = 25 ° C TJ = 175 ° C Single Pulse V GS = 0 V 0.8 1.4 2.0 VSD ,Source-to-Drain Voltage (V) Fig 7. Typical Source-Drain Diode Forward Voltage 4 VDS = 15V 2.6 1 0.1 1 10 100 VDS , Drain-to-Source Voltage (V) Fig 8. Maximum Safe Operating Area www.kersemi.com IRFR/U3708PbF RD VDS 70 LIMITED BY PACKAGE 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 t1 SINGLE PULSE (THERMAL RESPONSE) 0.01 0.00001 t2 Notes: 1. Duty factor D = t 1 / t 2 2. Peak T J = P DM x Z thJC + TC 0.0001 0.001 0.01 0.1 1 t1 , Rectangular Pulse Duration (sec) Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case www.kersemi.com 5 0.025 ( RDS(on), Drain-to -Source On ResistanceΩ) RDS ( on ) , Drain-to-Source On Resistance Ω ( ) IRFR/U3708PbF 0.020 0.015 VGS = 4.5V 0.010 VGS = 10V 0.005 0 50 100 150 200 250 0.017 0.015 0.013 0.011 ID = 31A 0.009 0.007 2.0 300 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. + V - DS QGD 600 VG EAS , Single Pulse Avalanche Energy (mJ) 50KΩ .2µF 12V VGS 3mA Charge IG ID Current Sampling Resistors Fig 14a&b. Gate Charge Test Circuit and Waveform 15V V(BR)DSS tp L VDS D.U.T RG IAS 20V tp I AS DRIVER + - VDD 0.01Ω Fig 15a&b. Unclamped Inductive Test circuit and Waveforms 6 A ID 10A 20.7A BOTTOM 24.8A TOP 480 360 240 120 0 25 50 75 100 125 150 175 Starting TJ , Junction Temperature ( °C) Fig 15c. Maximum Avalanche Energy Vs. Drain Current www.kersemi.com IRFR/U3708PbF 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 WIT H ASSEMBLY LOT CODE 1234 ASSEMBLED ON WW 16, 1999 IN THE ASSEMBLY LINE "A" PART NUMBER INTERNATIONAL RECTIFIER LOGO Note: "P" in assembly line position indicates "Lead-Free" IRFU120 12 916A 34 ASSEMBLY LOT CODE DATE CODE YEAR 9 = 1999 WEEK 16 LINE A OR PART NUMBER INTERNATIONAL RECTIFIER LOGO IRFU120 12 ASSEMBLY LOT CODE www.kersemi.com 34 DATE CODE P = DESIGNAT ES LEAD-FREE PRODUCT (OPTIONAL) YEAR 9 = 1999 WEEK 16 A = ASSEMBLY SIT E CODE 7 IRFR/U3708PbF I-Pak (TO-251AA) Package Outline Dimensions are shown in millimeters (inches) I-Pak (TO-251AA) Part Marking Information EXAMPLE: THIS IS AN IRF U120 WIT H ASS EMBLY LOT CODE 5678 ASS EMB LED ON WW 19, 1999 IN T HE AS SEMBLY LINE "A" INT ERNAT IONAL RE CT IF IER LOGO PART NUMBER IRFU120 919A 56 78 AS SEMBLY LOT CODE Note: "P" in as s embly line pos ition indicates "Lead-Free" DAT E CODE YE AR 9 = 1999 WE EK 19 LINE A OR INT ERNAT IONAL RECT IFIER LOGO PART NUMB ER IRFU120 56 AS S EMBLY LOT CODE 8 78 DAT E CODE P = DES IGNAT ES LEAD-FREE PRODUCT (OPT IONAL) YEAR 9 = 1999 WEEK 19 A = AS SEMBLY SIT E CODE www.kersemi.com IRFR/U3708PbF D-Pak (TO-252AA) Tape & Reel Information Dimensions are shown in millimeters (inches) TR TRR TRL 16.3 ( .641 ) 15.7 ( .619 ) 12.1 ( .476 ) 11.9 ( .469 ) FEED DIRECTION 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. Notes: Repetitive rating; pulse width limited by max. junction temperature. Starting TJ = 25°C, L = 0.7 mH RG = 25Ω, IAS = 24.8 A. www.kersemi.com Pulse width ≤ 300µs; duty cycle ≤ 2%. Calculated continuous current based on maximum allowable junction temperature. Package limitation current is 30A. 9