IRLR3717 Datasheet (International Rectifier)

IRLR3717, HEXFET Power MOSFET

www.DataSheet4U.com PD - 94718B IRLR3717 IRLU3717 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 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 VDSS RDS(on) max 20V 4.0m: Qg 21nC D-Pak IRLR3717 I-Pak IRLU3717 Absolute Maximum Ratings Parameter VDS VGS ID

IRLR3717 Features

* anded 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 term