L78M12CDT-1

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	35V
Voltage - Output (Min/Fixed):	12V
Voltage - Output (Max):	--
Voltage Dropout (Max):	--
Current - Output:	500mA
Current - Quiescent (Iq):	6mA
PSRR:	55dB (120Hz)
Control Features:	--
Protection Features:	Over Current, Over Temperature, Short Circuit
Operating Temperature:	0°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	TO-251-3 Short Leads, IPak, TO-251AA
Supplier Device Package:	I-PAK
Base Part Number:	L78M12

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Introduction

PMIC—or power management integrated circuits—are electrical components intended to control the flow of current through the circuit and protect it from potential damage or device failure. Linear voltage regulators are among the most popular PMICs. They are used to power devices from a variety of sources, including AC and DC power supplies, batteries, and more. The L78M12CDT-1 is one such linear voltage regulator. In this article, we\'ll discuss the application field and working principle of the L78M12CDT-1.

Application field

The L78M12CDT-1 is a three-terminal positive voltage regulator with a wide range of applications, including powering small appliance motors, audiovisual equipment, industrial machinery, lighting fixtures, medical devices, and more. It is designed to maintain a constant output voltage, regardless of load changes or changes in input voltage. In other words, it can provide a steady DC output voltage and protect the devices from current overload and other potential damage due to temperature or current variance.

Working Principle

The L78M12CDT-1 operates on a reliable and efficient principle of linear voltage regulation. This is done through the use of a voltometric feedback loop. The three-terminal stationary-feedback linear regulator receives an input voltage (Vin) and produces a regulated output voltage (Vout). The regulation ratio is set by the ratio of resistors in the feedback loop and is highly accurate, with an accuracy of ±2%. The output voltage remains constant regardless of the temperature or input voltage change, and it also guarantees a high level of power supply accuracy, stability, and reliability.

Features and Benefits

The L78M12CDT-1 is a great solution for voltage regulation in many applications. It is an easy-to-use, low-cost, low-power solution with low noise levels, thermal stability, and a low output impedance. It is also packaged in a simple 3-pin TO-92 SMD package, making it perfect for space-constrained applications. This regulator contains many features and benefits, including:

• Wide input voltage range (1.5 V - 24 V)
• Stable voltage regulation and low noise operation
• Low power dissipation
• Low output impedance
• Thermal stability
• High accuracy (±2%)
• 3-pin TO-92 SMD package

Conclusion

In conclusion, the L78M12CDT-1 is a reliable and efficient three-terminal positive voltage regulator. It is perfect for a wide range of applications, including powering small appliance motors, audiovisual equipment, industrial machinery, lighting fixtures, medical devices, and more. With its wide input voltage range, stable voltage regulation and low noise operation, low power dissipation, low output impedance, thermal stability, and high accuracy, it is a great choice for voltage regulation in space-constrained environments.

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