LD2985BM33R

Current - Output:	150mA
Base Part Number:	LD2985B
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	45dB (1kHz)
Current - Supply (Max):	4mA
Current - Quiescent (Iq):	150µA
Series:	--
Voltage Dropout (Max):	0.575V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LD2985BM33R Voltage Regulator Overview

The LD2985BM33R voltage regulator is a cost-effective and robust linear voltage regulator solution that is widely used across the industry in numerous applications. It is a three-terminal adjustable regulator, with overheating protection and improved transient response. It is suitable for use in both commercial and industrial applications, making it an ideal choice for many projects.

Application field of LD2985BM33R

The LD2985BM33R voltage regulator is most commonly used in 48V/12V power conversion applications, as it can provide stable, precise voltage regulation. It is also widely used in automotive and telecom infrastructure, as well as in medical and industrial automation. It is capable of providing precise and reliable power to various electrical and electronic systems, from computers and circuits to communication systems and power supplies.The LD2985BM33R is also perfect for applications where high power stability is required, such as in laptop computers, servers, and other high power devices. In addition, it can be used in battery-powered systems as a low-noise voltage regulator, allowing it to be used in a variety of devices.

Working principle of LD2985BM33R

The LD2985BM33R voltage regulator is based on an adjustable linear integrated circuit. This regulator uses a reference voltage source, which is in turn applied to the input of a comparison amplifier. The output of the comparison amplifier is then compared to the regulator\'s feedback voltage, which is adjusted by the variable resistor that is placed between the output and the reference.With this configuration, the output voltage is constantly monitored and regulated by the controller. The controller is able to detect any variance in output voltage and correctly adjust the supply voltage accordingly. As a result, the device provides a consistent and reliable output voltage, even under varying input voltage conditions.The circuitry also includes protection features such as overheat protection, a current limit, and a thermal shutdown mechanism. The output also includes a filter to reduce noise and optimize performance.

Conclusion

The LD2985BM33R voltage regulator is a cost-effective and robust solution for providing accurate power in a variety of applications. It features adjustable output voltage for precise voltage regulation, making it the perfect solution for systems that require reliable power delivery. It is also equipped with protection features to ensure the safety and reliability of the system.

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