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Instance 150 W Planar Transformer

An instance shows reachable switching frequency and power densities for planar magnetics. A condition for this is a high efficiency because at the same power loss a smaller component has a higher increasing of temperature. Realizeable efficiencies range from 98% up to 99,3 %.

The instance base on following quantities:

Fullbridge Converter

P : 150 W             Uin   : 42 V
f  :  1000 kHz        Uout :  5 V
The planar transformer is build up with a RM8LP core :
Dimensions:
Hight : 11,7 mm
Length : 26 mm
Width : 23 mm

Powerlosses : 1,8 W