L78M24CDT-TR Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	40V
Voltage - Output (Min/Fixed):	24V
Voltage - Output (Max):	--
Voltage Dropout (Max):	--
Current - Output:	500mA
Current - Quiescent (Iq):	6mA
PSRR:	50dB (120Hz)
Control Features:	--
Protection Features:	Over Current, Over Temperature, Short Circuit
Operating Temperature:	0°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Supplier Device Package:	DPAK
Base Part Number:	L78M24

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Introduction

The L78M24CDT-TR is a positive-voltage linear regulator with a wide range of features and applications. It is part of a family of linear voltage regulators that are designed to provide fixed and adjustable voltage output from both AC and DC power sources. The L78M24CDT-TR is a low dropout regulator with a dropout operating voltage of 2.2 V. It has a wide input voltage range of 7 to 40 V and is capable of regulating a high output current of up to 800 mA. It is also capable of providing protection against reverse voltage, short circuit protection, and is rated for an operating temperature range of -40°C to +125°C.

Features and Applications

The L78M24CDT-TR is designed for use in a variety of applications demanding a positive voltage source of 5 V. It is especially suited for applications where a high input voltage and a wide operating range are required. It can be used to provide a stable 5 V output for low-dropout applications that require a wide input voltage range such as automotive systems and LED lighting systems. It can also be used for power management applications such as overvoltage protection and would be ideal for use in small form-factor designs as it requires minimal board space. In addition to its wide range of applications, the L78M24CDT-TR offers a variety of features that make it an attractive option for those needing a reliable voltage regulator. It offers a precision voltage reference with an accuracy of 0.8% and a temperature coefficient of 50 ppm/°C over an operating temperature range of -40°C to +125°C. It also has an enable/shutdown feature that allows the user to enable and/or disable the output as needed. Furthermore, the L78M24CDT-TR also has short-circuit protection, allowing it to provide protection against short circuits.

Working Principle

The L78M24CDT-TR is a positive-voltage linear regulator that provides a 5 V output. It works by controlling the flow of current to the output thru efficient regulation of the output voltage. The output voltage is determined by the voltage reference, which is adjusted with an external resistor divider connected to the output. This resistor divider allows the user to separately adjust the output voltage to exactly match the load requirements.The L78M24CDT-TR is designed to offer high performance and protection for the load. It uses an internal power MOSFET as the pass element to control the amount of current passing to the output. This MOSFET provides improved miniaturization of the regulator and reduced power dissipation. The device is also capable of providing reverse voltage protection, short-circuit protection, and enables/disable feature.

Conclusion

The L78M24CDT-TR is a versatile positive voltage linear regulator that is suitable for many applications needing a wide input voltage range and a high output current of up to 800 mA. It is an ideal choice for small form-factor designs and power management applications, offering protection against short circuit, reverse voltage, and overvoltage. It is also capable of providing a precision voltage reference with an accuracy of 0.8% and a temperature coefficient of 50 ppm/°C over a temperature range of -40°C to +125°C. We have discussed the features, applications, and working principle of the L78M24CDT-TR, making it clear why it is a top choice for many of today\'s voltage regulation needs.

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