IRLR8721PBF, IRLU8721PBF Datasheet - International Rectifier

IRLR8721PBF - HEXFET Power MOSFET

www.DataSheet4U.com Applications l High Frequency Synchronous Buck Converters for Computer Processor Power l High Frequency Isolated DC-DC Converters with Synchronous Rectification for Telecom and Industrial Use l Lead-Free Benefits l Very Low RDS(on) at 4.5V VGS l Ultra-Low Gate Impedance l Fully Characterized Avalanche Voltage and Current HEXFET Power MOSFET IRLR8721PbF IRLU8721PbF ® 8.4m: PD - 96119 VDSS RDS(on) max 30V D Qg 8.5nC S G S D G D-Pak I-Pak IRLR8721PbF IRLU8721PbF G Gate

IRLR8721PBF Features

* expanded and approximated by; ⎛Q ⎞ + ⎜ oss × Vin × f + (Qrr × Vin × f ) ⎝ 2 ⎠

* dissipated primarily in Q1. Ploss = (Irms 2 × Rds(on ) ) ⎛ Qgd +⎜I × × Vin × ig ⎝ + (Qg × Vg × f ) + ⎛ Qoss × Vin × f ⎞ ⎝ 2 ⎠ ⎞ ⎛ Qgs 2 ⎞ f⎟ + ⎜ I × × Vin × f ⎟ ig ⎠ ⎝ ⎠ This simplified loss equation includes the

IRLU8721PBF_InternationalRectifier.pdf