LM2931CD2T

Voltage Dropout (Max):	0.6V @ 100mA
Base Part Number:	LM2931
Supplier Device Package:	D2PAK-5
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	--
Current - Output:	100mA
Series:	--
Voltage - Output (Max):	29.5V
Voltage - Output (Min/Fixed):	2.7V
Voltage - Input (Max):	40V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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Introduction

The LM2931CD2T is a low-cost, high-efficiency, single-channel linear voltage regulator integrated circuit from the Linear Voltage Regulator sub-category of the PMIC (Power Management Integrated Circuit) family. It is a cost-effective solution for applications where accuracy and low-noise are sought-after, such as in electronic equipment, measurement and control intervals, and home appliances. It facilitates the accurate power supply of other electronic components as well as maintaining stable voltage in various operating conditions and environments.

Application Field of LM2931CD2T

The LM2931CD2T is designed to be integrated into high performance applications, mainly medical and instrument equipment. It can also be used in other fields such as digital control equipment, consumer electronics, workstations, and appliances requiring precise voltage regulation.The LM2931CD2T is a voltage regulator that can operate in both step-down and step-up modes, providing a wide range of output voltages. In step-down mode, the output voltage can be adjusted from 0.8 to 24V, while in step-up mode it can be adjusted from 1.2 to 28V. This makes it an ideal choice for many applications, especially those requiring adjustable and accurate voltage outputs.

LM2931CD2T Working Principle

The LM2931CD2T is a very efficient voltage regulator, operating with a maximum efficiency of more than 95%. This high efficiency ensures stable voltage regulation in various operating conditions and environments. It also minimizes power dissipation, providing lower power requirements.The LM2931CD2T uses a linear regulation topology to provide excellent performance and noise immunity. It utilizes a proprietary error amplifier that offers better accuracy and faster transient response. The device has an adjustable voltage output that can be controlled using an external resistor divider.The LM2931CD2T can operate in both Step-Down and Step-Up modes, providing a wide range of output voltages. In Step-Down mode, the output voltage can be adjusted from 0.8 to 24V, while in Step-Up mode it can be adjusted from 1.2 to 28V. This makes it an ideal choice for applications requiring adjustable and accurate voltage outputs.

Conclusion

The LM2931CD2T is an efficient and reliable voltage regulator, providing flexibility for various applications. It uses a linear regulation topology and a proprietary error amplifier to provide excellent accuracy and noise immunity. With its adjustable voltage output and Step-Down/Step-Up capabilities, the LM2931CD2T is a cost-effective solution for applications requiring precise voltage regulation.

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