BUCK CONVERTER NEED HELP....!!!

[hussain_kiet]

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..

 

[Prototyp_V1.0]

design buck converter with sg3524

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

 

[Dmitron]

buck converter 24v

UC3843

 

[Tahmid]

convertisseur 24vdc 150vdc

Hi,
You can use UC3842/43/44/45/46/47. You can use SG3524/25/26/27. With feedback, you can regulate the output to 24v. Thanks.