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LT3758 Datasheet "f/1A", what's the 1A?


I'm just working through the calculations for my new SEPIC circuit and looking at page 22, the power dissipated by the MOSFET the last term in f/1A, what is this please? Switching frequency/1 x A, what is the 1A please?

The power dissipated by the MOSFET in a SEPIC converter is: PFET = I2 SW(MAX) • RDS(ON) • DMAX + 2 • (VIN(MIN) + VOUT) 2 • IL(MAX) • CRSS • f/1A

Thanks in anticipation


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