asthra123
Member level 1
Dear all,
I am trying to design an avr for regulating the output of 230volt ac generator.
avr input voltage-230 volt ac
avr out put voltage -8 to 15 v feed back to generator excitation coil
Please help me solve the error amplifier problem of sg3525 .I’m using sg 3525 with ir2010
Sync buck converter design.
Irf840 using as power switches
Input voltage of the converter-340 Vdc,
Required output voltage -8 to 15 Vdc
Reference voltage at pin 2of sg3525 -2.5 v
Feedback voltage at pin 1---2.5 to 2.7 v
The feedback voltage is taken from the voltage divider of auxiliary 12 v power supply with common ground
Converter is working well by this configuration.
My problem is when I apply the same 2.7 v taken from the 340 vdc input with voltage divider is very high about 180v
Please help..
I am trying to design an avr for regulating the output of 230volt ac generator.
avr input voltage-230 volt ac
avr out put voltage -8 to 15 v feed back to generator excitation coil
Please help me solve the error amplifier problem of sg3525 .I’m using sg 3525 with ir2010
Sync buck converter design.
Irf840 using as power switches
Input voltage of the converter-340 Vdc,
Required output voltage -8 to 15 Vdc
Reference voltage at pin 2of sg3525 -2.5 v
Feedback voltage at pin 1---2.5 to 2.7 v
The feedback voltage is taken from the voltage divider of auxiliary 12 v power supply with common ground
Converter is working well by this configuration.
My problem is when I apply the same 2.7 v taken from the 340 vdc input with voltage divider is very high about 180v
Please help..