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In Egypt, the temperature is between 20 and 40 deg. First of datasheeet your diodes can handle 1A average rectified current, but you must consider that when you have a 1A output rating they will get quite warm themselves 1W based on the parameter table: I’m asking about if this 1. For transformer and fuse: Now, that’s a bit high, isn’t it?

You need at least 7V input for the LM to create a 5V output, so the dip in the voltage across the capacitor can’t fall below that.

AP Datasheet – TAAP, Positive Voltage Regulator – Toshiba

What is the max current that this circuit can handle? That’ll mean the LM will get insanely hot for no reason. The air will heat up because of all the hot parts, and in a box it can’t easily move out.


The peak voltage is calculated by multiplying the RMS voltage dtasheet the square root of 2, so to get the RMS voltage from the peak voltage just calculated, you divide by that: So, can the diodes handle 1. You can buy diodes with a higher max.

It’s smarter to just use diodes with a higher forward current and if possible lower forward voltage drop. Take a transformer that will handle a bit more, so for example 2A, to save on heat datadheet wear in it, since your large capacitor will draw a higher peak current to charge up.

You need to consider many things for this, for which you need to consult the datasheets carefully. Its a hyperlink, Just click on the blue word that says “Datasheet” anyway here is the link: I was drawing it quickly.

78033LS даташит ( Даташиты, Даташиты )

Nobut your diodes wear out faster if you use it on max current. Datasheet says that the output current is up to 1.

You can use it to 1A but you must consider that the regulator gets dataeheet hot. Thank you very much simulate this circuit — Schematic created using CircuitLab.

I don’t have their datasheet but I think capacitors can handle this current. One trick around that is to mount the regulator with its nearly 12W peak dissipation pessimistic worst case assumption, sure, but still outside the box onto a heatsink.


Sign up using Facebook. This means you should choose a transformer with a low as possible output voltage that still gives you a stable output voltage, here we come to voltage ripple calculation. Check the connections to the diode bridge: To calculate heatsinks and all that the ambient temperature, by the way, is not the temperature outside datasbeet in your house, but inside the box you put it in.

Is it due to diodes that have the lowest max. If it’s a plastic dztasheet with no ventilation at all no holes or slots for passive air flow you may be looking at 40 to 60 degrees temperature rise between outside an in, putting a huge damper on all your internal dissipation capabilities. Post as a guest Name.

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SteveG 1 I’m sorry about the schematic. Sign up or log in Sign up using Google. It is just an error in the schematic. Datasheet says that the output current is 1A at a temperature of 75 deg. So we get 8ms.