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14 Threads found on Schematic sg3525
Hi folks , so I built an smps from a schematic found on the internet. it works that far it's okay but it worked when i had a 70w load light bulb attached to the output , after i tried going with a 500w bulb things just went bananas aka exploded , everything in the chain was dead and cracked open , both IRFP460 the IR2110 and also the sg3525 was dea
Seems like sg3525 has drastically reduced its duty cycle. Maybe you have connected the output to sg3525 feedback pin (IN-) directly (without a voltage divider). That could explain the output voltage (5 V) and the reduced duty ratio (a normal value for such a low output voltage). Double check the feedback circuit (or post its schematic for (...)
I was experimenting a BJT buck converter using a sg3525 in a pretty uncommon configuration (PWM pulses through the VC terminal, outputs connected to the ground). The schematic diagram is as follow: 114253 The input voltage is 24V, the output voltage is 12V, the intended load current is 10A and the switching frequenc
The LMD18200 you can find in the Altium Content Vault, the other one you'll have to design yourself. Consult the Altium manual with advice on drawing your own schematic symbol. Then, simply add an existing SOIC-16 or PDIP-16 package to it.
Show the schematic diagram of circuit.
Hi greetings may be this schematic be helpful HAVENT tried it warm regards andrew lebon
For us to help you, we would need you to upload a schematic. That would help us find out where the problem lies.
I don't have a schematic, but the feedback circuit of your example can basically work. The feedback amplifier should probably have a PI rather than a pure I characteristic for faster response.
For 800W output its ok an half-bridge with 2xIRFP460 mos-fet's,or STE40NK90ZD super mosfets. Don't need synchronous rectification for output.Its ok an dual 30A/200V fast recovery diode. For PMW IC its better an sg3525 IC than TL494. For schematic check diyaudio forum.You find lots of schematics there.
hi guys, i need some help here i need to build a buck converter from 12v to 9.6v to supply to a motor. i must generate pwm using sg3525. i google oledi. but seems cant find much sg3525 used in buck converter. mostly are for motor control. do any1 have similiar schematic for this? thanks
hi guys does anybody know anything about switching type audio amplifier. actually it modulates the input signal into PWM signal and take it to the output. the actual question is what tips or tricks are involved and do you know any good schematic? do you know any circuit that uses sg3525 for it?
I don't have a paper, but I went to the ON Semi webiste and in their datasheet you can find the actual oscillator schematic: See Fig. 7. So let's try to derive our formula and see which one is correct. From that figure, we can see that the cap is charged by a constant current, given by the c
Hi Please refere to the data sheet of the IC, This will help you get the basic circuit for the allication. WHat voltage level are you looking at? Please send spec so that a schematic can be posted. Please alos send power level. Thanks Hari
Hello I have made car amplifier 1x100W 4ohm.The dc/dc converter is made with sg3525 PWM, two buz11 mosfets,torodial ferite trafo.The Amplifier is consist of one pair tranzistors tip35c,tip36c. I HAVE MADE IT AND IT SOUND PERFECT.Now i need schematic for making dcprotection for speaker. Here is the schematic and picture