IRF840A

PD- 91900A SMPS MOSFET IRF840A HEXFET® Power MOSFET Applications l Switch Mode Power Supply ( SMPS ) l Uninterruptable Power Supply l High speed power switching Benefits Low Gate Charge Qg results in Simple Drive Requirement l Improved Gate, Avalanche and dynamic dv/dt Ruggedness l Fully Characterized Capacitance and Avalanche Voltage and Current l Effective Coss Specified (See AN1001) l VDSS 500V Rds(on) max 0.85 Ω ID 8.0A TO-220AB G DS Absolute Maximum Ratings Parameter ID @ TC = 25°C ID @ TC = 100°C IDM PD @TC = 25°C VGS dv/dt TJ TSTG Continuous Drain Current, VGS @ 10V Continuous Drain Current, VGS @ 10V Pulsed Drain Current  Power Dissipation Linear Derating Factor Gate-to-Source Voltage Peak Diode Recovery dv/dt ƒ Operating Junction and Storage Temperature Range Soldering Temperature, for 10 seconds Mounting torqe, 6-32 or M3 screw Max. 8.0 5.1 32 125 1.0 ± 30 5.0 -55 to + 150 300 (1.6mm from case ) 10 lbfin (1.1Nm) Units A W W/°C V V/ns °C Typical SMPS Topologies: l l l Two Transistor Forward Haft Bridge Full Bridge 1 7/7/99 www.irf.com IRF840A Static @ TJ = 25°C (unless otherwise specified) Parameter Min. Drain-to-Source Breakdown Voltage 500 ∆V(BR)DSS/∆TJ Breakdown Voltage Temp. Coefficient ––– RDS(on) Static Drain-to-Source On-Resistance ––– VGS(th) Gate Threshold Voltage 2.0 ––– IDSS Drain-to-Source Leakage Current ––– Gate-to-Source Forward Leakage ––– IGSS Gate-to-Source Reverse Leakage ––– V(BR)DSS Typ. ––– 0.58 ––– ––– ––– ––– ––– ––– Max. Uni...