area is exceeded, the device shuts down rather than failing or damaging other system components. (Note 1). This feature eliminates costly output circuitry. 78H05 Datasheet, 78H05 PDF, 5-Volt 5-Amp Voltage Regulators. ing a continous load current in excess of 5 amperes at a nominal regulated output voltage of 5 volts. The 78H05A has built-in protection.

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Datasheeets & Application Notes

Please review the schematic, more eyes the better. That would make it 2. Bear in mind I do not have this connected to my mr do board I don’t want to fry it with 10v! I will test with promini 8mhz if working fine we can use that one. That resistor basically bypasses the regulator. So what would be a good test load? What I would do is pull up the regulator and solder in a datasheet sBEC. Because per this page PB, fatasheet I’m not mistaken, doesn’t use it on the modules.

No rights under any patent accompany the sale of any such product s or information contained herein. I use the Reciever fequently and in summer found it got warmer then i would like, but in winter this is not a problem. What would be a good test load so I don’t have to risk my board? Did you test Frsky protocol?


I have 3 module hooked right now on my arduino promini suplied from mA usb Anyway you can put whatever you want there are only pads on the board. In using them however you may notice it gets rather warm after a few minutes use, and even more so in sunlight. Even more so, can anyone tell from this circuit what might be wrong with my PS?

Remember Me Forgot Password? I never understood why the circuit was set up like that, but that makes sense. Early Atari boards like Sprint 2 use a very similar setup. It is not a shortcut,I think you exagerate Anyway, I wired the buychina Cyrf module per the spreadsheet here: So initially I thought the regulator was bad, but I got a new one and the same problem is happening. I’ll put on first post.

Physics fall Exam 1: I used it on my module and I had no problem heating or otherwise. CC pin is on D2.

78H05 PDF डेटा पत्रक – 5-Volt 5-Amp Voltage Regulators

Operation under no load will not damage these devices, however they may not meet all specifications. If you need the special specification product, please 780h5 our service member by telephone presented in shortform cover or e-mail to: This is due to the PCB having a 78H05 linear regulator on it which disipates the difference between a 3S lipo down to 5volts.

  EN 13383-2 PDF

Recommend This Article You need to log-in to rate articles. The switching frequency is different according to output voltage models.

(PDF) 78H05 Datasheet download

The receiver module needs 5V. B round pins are small it will not take much space. I would love an explanation of what that resistor is supposed to do the datasheet for the 78H05 regulator doesn’t have such a resistor in the sample circuit.

Not really sure what the purpose of that resistor is. LTC – Linear Technology. There are bigger fish to fry here.

The input is 9vac. Specifications are subject to change without notice.