UA78M05CDCY

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The UA78M05CDCY is a low-dropout regulator (LDO) designed to supply a constant output of 5V while operating from input voltages up to 36V. It performs its task using a linear regulator architecture which employs a series pass element that regulates the output over a range of input voltages and loads. This makes it suitable for a wide range of applications, such as industrial and medical equipment, automotive electronics, and portable electronics.

This LDO features adjustable current limit and thermal shutdown protection, making it ideal for power consuming applications. Additionally, its fast line and load transient characteristics allow it to handle sudden surges in current and protection from short-circuit faults. Its low dropout voltage ensures high utilization efficiency and its wide input voltage range makes it suitable for applications that require either a high voltage or low voltage operation. The low noise design also eliminates noise-sensitive applications.

The UA78M05CDCY LDO uses an internal pass element to regulate output voltage. Its low input-output differential ensures that the output voltage remains highly accurate even when the input voltage fluctuates. This helps maintain proper system operation and extends the life of the components downstream of the LDO. Furthermore, its current limit and thermal protection features help to protect against overvoltage, over-current, or overtemperature conditions.

The device itself has a 3-pin TO-220 case and is rated for operating temperatures between -40°C and +85°C. It can handle inputs up to 36V and can provide a maximum output current of 1.5A. Its quiescent current is only 1.5mA and its dropout voltage is 200mV at 1A. Additional features include low output noise (5mVp-p), minimal turn-on voltage (18V) and over-temperature and short circuit protection with hysteresis.

In summary, the UA78M05CDCY is an extremely versatile and reliable LDO which provides precise voltage regulation for a wide range of applications. Its low input-output differential and current limit, thermal shutdown protection, low dropout voltage and wide input voltage range make it a great choice for supplying demanding and low-noise applications. It is also a great choice for higher voltage applications and offers excellent efficiency and protection from short-circuit faults.

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