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Using Monitor power ic as smps for amplifiers. Im using monitor power ic DPc to make an smps. It uses a flyback topology. The application notes suggest that they can handle loads upto about w. Is that a big deal? The ic is very cheap. It is actually equivalent to fairchild's KA 5Q series switching ics. These device also features a thermal shut down. All you need is an optocoupler.
I had designed one with them and now powering a w amplifier. It works quite fine. But I need to measure how much power it can actually deliver safely. Waiting for ur valuable replies.. Hi sivan, Unfortunately they do not provide datasheet of DPc. These are actually equivalent to fairchild's KA 5Q series. I was experimenting with those power switch ics which was used widely in monitors and tvs.
What i experienced so far was excellent performance at the cheapest rates. The problem now is whether it can drive about w or not. Hello REjith Thanks for the info.. I did a Google for the DPC,and i could'nt find any Hi , What do u think about this idea, would expanding it make it possible to drive a w amplifier?? If so then it would be a great deal.. Attached Images monitor smps. It seems to be a simple flyback with power limited to abt Watts.
Moreover, i have been driving a w amp out of it. But really needs to make sure how much it can really withstand. Those integrated switchers don't have a particular output power rating, what they have is Rds-on and maximum current and voltage ratings like amy MOSFET.
The output power capability of a flyback converter depends on a lot of parameters like input voltage, transformer inductance and saturation current ratings, transformer turn ratios, primary-side switch ratings, secondary side diode ratings and mode of operation continuous, critical or discontinuous conduction. The easiest solution to calculate flybacks is to write a small program or spreadsheet because there are a lot of input and output parameters involved.
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Find More Posts by rejithcv. Attached Images. Why don't you test power with a dummy load!! Send a private message to Eva. Find More Posts by Eva. Posting Rules. Similar Threads. Frequently Asked Questions Did you forget your password?
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