PD - 97046A IRF3805PbF IRF3805SPbF IRF3805LPbF Features Advanced Process Technology HEXFET Power MOSFET Ultra Low On-Resistance D 175C Operating Temperature V = 55V DSS Fast Switching Repetitive Avalanche Allowed up to Tjmax Lead-Free R = 3.3m DS(on) G Description I = 75A This HEXFET Power MOSFET utilizes the latest D S processing techniques to achieve extremely low on-resistance per silicon area. Additional features of this design are a 175C junction operating temperature, fast switching speed and improved repetitive avalanche rating.These features combine to make this design an extremely efficient and reliable device for use in a wide variety of applications. 2 TO-220AB D Pak TO-262 IRF3805PbF IRF3805SPbF IRF3805LPbF Absolute Maximum Ratings Parameter Max. Units 10V (Silicon Limited) I T = 25C Continuous Drain Current, V 210 GS D C I T = 100C Continuous Drain Current, V 10V (Silicon Limited) 150 A GS D C I T = 25C Continuous Drain Current, V 10V (Package limited) 75 GS D C Pulsed Drain Current I 890 DM P T = 25C Power Dissipation 300 W D C Linear Derating Factor 2.0 W/C V Gate-to-Source Voltage 20 V GS Single Pulse Avalanche Energy E 650 mJ AS (Thermally limited) Single Pulse Avalanche Energy Tested Value E (Tested ) 940 AS Avalanche Current I See Fig.12a, 12b, 15, 16 A AR Repetitive Avalanche Energy E mJ AR T Operating Junction and -55 to + 175 J T Storage Temperature Range C STG Soldering Temperature, for 10 seconds 300 (1.6mm from case ) Mounting Torque, 6-32 or M3 screw 10 lbf in (1.1N m) Thermal Resistance Parameter Typ. Max. Units Junction-to-Case 0.5 R C/W JC Case-to-Sink, Flat Greased Surface R 0.50 CS Junction-to-Ambient R 62 JA R Junction-to-Ambient (PCB Mount) 40 JA www.irf.com 1 Electrical Characteristics T = 25C (unless otherwise specified) J Parameter Min. Typ. Max. Units Conditions V Drain-to-Source Breakdown Voltage 55 V V = 0V, I = 250A (BR)DSS GS D V / T Breakdown Voltage Temp. Coefficient 0.051 V/C Reference to 25C, I = 1mA (BR)DSS J D R Static Drain-to-Source On-Resistance 2.6 3.3 m V = 10V, I = 75A DS(on) GS D V Gate Threshold Voltage 2.0 4.0 V V = V , I = 250A GS(th) DS GS D gfs Forward Transconductance 75 V V = 25V, I = 75A DS D I Drain-to-Source Leakage Current 20 A V = 55V, V = 0V DSS DS GS = 55V, V = 0V, T = 125C 250 V DS GS J I Gate-to-Source Forward Leakage 200 nA V = 20V GSS GS Gate-to-Source Reverse Leakage -200 V = -20V GS Q Total Gate Charge 190 290 I = 75A g D Q Gate-to-Source Charge 52 nC V = 44V gs DS Q Gate-to-Drain Mille) Charge 72 V = 10V gd GS t Turn-On Delay Time 150 V = 28V d(on) DD t Rise Time 20 I = 75A r D t Turn-Off Delay Time 93 ns R = 2.6 d(off) G t Fall Time 87 V = 10V f GS D L Internal Drain Inductance 4.5 Between lead, D nH 6mm (0.25in.) G L Internal Source Inductance 7.5 from package S S and center of die contact C Input Capacitance 7960 V = 0V iss GS C Output Capacitance 1260 V = 25V oss DS C Reverse Transfer Capacitance 630 pF = 1.0MHz rss C Output Capacitance 4400 V = 0V, V = 1.0V, = 1.0MHz oss GS DS C Output Capacitance 980 V = 0V, V = 44V, = 1.0MHz oss GS DS C eff. Effective Output Capacitance 1550 V = 0V, V = 0V to 44V oss GS DS Source-Drain Ratings and Characteristics Parameter Min. Typ. Max. Units Conditions I Continuous Source Current 75 MOSFET symbol S (Body Diode) A showing the I Pulsed Source Current 890 integral reverse SM (Body Diode) p-n junction diode. V Diode Forward Voltage 1.3 V T = 25C, I = 75A, V = 0V SD J S GS t Reverse Recovery Time 36 54 ns T = 25C, I = 75A, V = 28V rr J F DD Q Reverse Recovery Charge 47 71 nC di/dt = 100A/s rr t Forward Turn-On Time Intrinsic turn-on time is negligible (turn-on is dominated by LS+LD) on 2 www.irf.com