MC78M24CTG

Voltage Dropout (Max):	--
Base Part Number:	MC78M
Supplier Device Package:	TO-220AB
Package / Case:	TO-220-3
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	70dB (120Hz)
Current - Output:	500mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	24V
Voltage - Input (Max):	40V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction

The MC78M24CTG is a low dropout voltage regulator, and belongs to the power management integrated circuit (PMIC) type of linear voltage regulators. It provides full functional features, including low stand-by power, current source and low dropout voltage. It can easily be used in various applications such as general voltage regulation, micro controller power supply, logic power supply and signaling processor supply.

Features

The MC78M24CTG is a low dropout voltage regulator with a wide range of features. These features include:- High Output Voltage Accuracy: The MC78M24CTG delivers an accurate and stable output voltage, with a maximum voltage accuracy of ±0.5%.- Low Stand-by Power: The low stand-by power ensures the device does not consume too much power when in idle mode.- Current Source: The MC78M24CTG has a current source, which is adjustable and can be used to safely sink current.- Low Dropout Voltage: The MC78M24CTG has a low dropout voltage, which ensures that the device does not need to expend too much power to see the desired output voltage.

Application Fields

The MC78M24CTG is a versatile device with a wide variety of applications. These applications include:- General Voltage Regulation: The MC78M24C TG can be used to regulate voltage in various low power applications.- Micro Controller Supply: The MC78M24CTG can be used to supply power to an array of micro controllers, including micro controllers used in automotive applications.- Logic Power Supply: The MC78M24CTG can be used to provide power to logic circuits, allowing them to function correctly.- Signal Processor Supply: The MC78M24CTG can be used to provide power to signal processors. This allows signal processors to deliver signals accurately and with the correct timing.

Working Principle

The MC78M24CTG is a linear voltage regulator, which uses a simple four element circuit to control the output voltage. The circuit consists of a voltage reference, an error amplifier, a pass element and a feedback element. The voltage reference acts as a stable reference voltage, which is necessary for the device to properly regulate the output voltage. The error amplifier acts to compare the reference voltage and the output voltage, and if the output voltage is too low, it will close the pass element, allowing current to flow through it. This will increase the output voltage to the desired level. The feedback element ensures that the output voltage remains at the desired level, by comparing the output voltage with the reference voltage and adjusting the pass element accordingly.

Conclusion

The MC78M24CTG is a versatile and reliable linear voltage regulator, belonging to the power management integrated circuit (PMIC) type of linear voltage regulators. It provides a full range of features, including high output voltage accuracy, low stand-by power, current sources and low dropout voltage. Its various applications range from general voltage regulation, micro controller power supply, logic power supply to signal processor supply. The device’s working principle relies on a simple four element circuit, which consists of a voltage reference, an error amplifier, a pass element and a feedback element to adjust the output voltage.

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