PD - 96226 IRF8734PbF HEXFET® Power MOSFET Applications l Synchronous MOSFET for Notebook Processor Power l Synchronous Rectifier MOSFET for Isolated DC-DC Converters in Networking Systems Benefits l Very Low RDS(on) at 4.5V VGS l Low Gate Charge l Fully Characterized Avalanche Voltage and Current l 100% Tested for RG l Lead-Free VDSS RDS(on) max Qg (typ.) 30V 3.5m @VGS = 10V 20nC : A A D S 1 8 S 2 7 D S 3 6 D G 4 5 D SO-8 Top View Absolute Maximum Ratings Max.
IRF8734PbF Static @ TJ = 25°C (unless otherwise specified) Parameter BVDSS Conditions Min. Typ. Max. Units V VGS = 0V, ID = 250µA V/°C Reference to 25°C, ID = 1mA VGS = 10V, ID = 21A mΩ VGS = 4.5V, ID = 17A Drain-to-Source Breakdown Voltage Breakdown Voltage Temp. Coefficient 30 ––– ––– 0.023 ––– ––– Static Drain-to-Source On-Resistance ––– ––– 2.9 4.2 3.5 5.1 Gate Threshold Voltage Gate Threshold Voltage Coefficient 1.35 ––– 1.80 -6.5 Drain-to-Source Leakage Current ––– ––– ––– ––– 2.
IRF8734PbF 1000 ID, Drain-to-Source Current (A) TOP 100 10 BOTTOM VGS 10V 5.0V 4.5V 3.5V 3.0V 2.7V 2.5V 2.3V 1 0.1 2.3V 0.01 TOP ID, Drain-to-Source Current (A) 1000 100 BOTTOM 10 1 2.3V ≤60µs PULSE WIDTH ≤60µs PULSE WIDTH Tj = 25°C 0.001 0.1 1 Tj = 150°C 0.1 10 0.1 100 1 10 100 V DS, Drain-to-Source Voltage (V) V DS, Drain-to-Source Voltage (V) Fig 1. Typical Output Characteristics Fig 2. Typical Output Characteristics 1.
IRF8734PbF 100000 14.0 VGS, Gate-to-Source Voltage (V) VGS = 0V, f = 1 MHZ C iss = C gs + C gd, C ds SHORTED C rss = C gd C, Capacitance (pF) C oss = C ds + C gd 10000 Ciss 1000 Coss Crss ID= 17A 12.0 VDS= 24V VDS= 15V 10.0 8.0 6.0 4.0 2.0 100 0.0 1 10 100 0 VDS, Drain-to-Source Voltage (V) Fig 6. Typical Gate Charge Vs. Gate-to-Source Voltage 1000 1000 ID, Drain-to-Source Current (A) ISD, Reverse Drain Current (A) 10 15 20 25 30 35 40 45 50 55 QG, Total Gate Charge (nC) Fig 5.
IRF8734PbF 25 VGS(th) , Gate Threshold Voltage (V) 2.5 ID, Drain Current (A) 20 15 10 5 0 2.0 ID = 50µA 1.5 1.0 0.5 25 50 75 100 125 150 -75 -50 -25 T A , Ambient Temperature (°C) 0 25 50 75 100 125 150 T J , Temperature ( °C ) Fig 10. Threshold Voltage Vs. Temperature Fig 9. Maximum Drain Current Vs. Ambient Temperature Thermal Response ( Z thJA ) °C/W 100 D = 0.50 10 0.20 0.10 0.05 0.02 1 0.01 τJ 0.
20 1000 ID = 21A EAS , Single Pulse Avalanche Energy (mJ) RDS(on), Drain-to -Source On Resistance (m Ω) IRF8734PbF 15 10 TJ = 125°C 5 T J = 25°C 0 2 4 6 8 10 ID TOP 1.26A 2.03A BOTTOM 17A 900 800 700 600 500 400 300 200 100 0 25 50 75 100 125 150 Starting T J , Junction Temperature (°C) VGS, Gate -to -Source Voltage (V) Fig 12. On-Resistance Vs. Gate Voltage Fig 13c. Maximum Avalanche Energy Vs. Drain Current V(BR)DSS 15V D.U.T RG VGS 20V DRIVER L VDS + V - DD IAS tp tp A 0.
IRF8734PbF Id Vds Vgs L VCC DUT 0 20K 1K Vgs(th) S Qgodr Fig 16b. Gate Charge Waveform Fig 16a. Gate Charge Test Circuit Driver Gate Drive D.U.T P.W. + + - * RG • • • • D.U.T. ISD Waveform Reverse Recovery Current VDD ** P.W. Period *** + dv/dt controlled by RG Driver same type as D.U.T. I SD controlled by Duty Factor "D" D.U.T.
IRF8734PbF SO-8 Package Outline(Mosfet & Fetky) Dimensions are shown in milimeters (inches) ' ,1&+(6 0,1 0$; $ $ E F ' ( H %$6,& H %$6,& + . / \ ',0 % $ + > @ ( $ ; H H ; E > @ $ 0,//,0(7(56 0,1 0$; %$6,& %$6,& .
IRF8734PbF SO-8 Tape and Reel (Dimensions are shown in milimeters (inches)) TERMINAL NUMBER 1 12.3 ( .484 ) 11.7 ( .461 ) 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. 330.00 (12.992) MAX. 14.40 ( .566 ) 12.40 ( .488 ) NOTES : 1. CONTROLLING DIMENSION : MILLIMETER. 2. OUTLINE CONFORMS TO EIA-481 & EIA-541.
IRF8734PbF Orderable part number Package Type IRF8734PbF IRF8734TRPbF SO-8 SO-8 Standard Pack Form Quantity Tube/Bulk 95 Tape and Reel 4000 Note † Qualification Information Qualification level Moisture Sensitivity Level RoHS Compliant † †† ††† Consumer †† (per JEDEC JESD47F††† guidelines) MSL1 SO-8 (per JEDEC J-STD-020D†††) Yes Qualification standards can be found at International Rectifier’s web site http://www.irf.