Description
www.DataSheet4U.com Applications l High Frequency Synchronous Buck Converters for Computer Processor Power l High Frequency Isolated DC-DC Converters.
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
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 an