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BUCK CONVERTER NEED HELP....!!!

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hussain_kiet

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buck vin 150v

hi i am trying to make a buck converter
my specifications are
Vin = 150V Dc
Vout = 24V Dc @ 2A

by now i am doing it with the help of PIC micro controller for PWM generation.
but i don't want to use a controller can anybody suggest a pwm generator IC which can not only generate PWM but can also regulate the voltages to 24V.


thanx in advance..:D
 

Prototyp_V1.0

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design buck converter with sg3524

You need a triangle wave geneator and a comparator. That means minimum three opamps.
 

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