MCU voltage regulator

45 pts.
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Microcontroller
Remember I'm a newbie for electronics and have only just started using PIC and Atmel microcontrollers in my simple learning projects, but a question. Why don't microcontrollers have a voltage regulator built into the chip? I have some old A3141 hall sensors that can take an input voltage of up to 24 volts because it has an internal voltage regulator, keeping the parts count down, But if I use a microcontroller in the same circuit I have to add the regulator and caps, so an MCU with a built in regulator would be very handy. There must be a valid reason why it's not so, it's just that I can't think what it could be.
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  • Subhendu Sen
    As you are a learner, it is better to read your study materials rather search on the net. This way you can gather solid knowledge that will be helpful for your future career.
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