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LLC resonant converter design with ADP1046A

Question asked by Mack on Nov 11, 2015
Latest reply on Nov 13, 2015 by LtCommData

Hello,

 

I am about to design LLC resonant converter with ADP1046A.

Capacity: 1.5kW(Ir = 5A, V=300V)

Lm is decided from turn ratio.

PWM switching frequency: 100.8kHz

 

1. Cr value that I am using is 2.2uF. But I would like to know how to find the best C value.

2.  To find Lr value, which formula of two yellow boxes do I need to use?

3.  I would appreicate if any tip or advice for LLC resonant converter desing is given.

 

 

llc_resonant.png

 

Best Regads,

Mack

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