LR7821 - IRLR7821

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International Rectifier

Part number	LR7821
Manufacturer	International Rectifier
File Size	278.13 KB
Description	IRLR7821
Datasheet	LR7821 Datasheet
Additional preview pages of the LR7821 datasheet.

+ (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 terms Qgs2 and Qoss which are new to Power MOSFET data sheets. Qgs2 is a sub element of traditional gate-source charge that is included in all MOSFET data sheets. The importance of splitting this gate-source charge into two sub elements, Qgs1 and Qgs2, c.

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Published: Jun 5, 2009 |