NJU7211L2-50

Voltage Dropout (Max):	0.6V @ 40mA
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	-25°C ~ 75°C
Protection Features:	--
Control Features:	--
PSRR:	--
Current - Output:	100mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	-5V
Voltage - Input (Max):	-12V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Negative
Part Status:	Obsolete
Packaging:	Tube

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NJU7211L2-50 Application Field and Working Principle

NJU7211L2-50 is a low dropout (LDO) linear voltage regulator with up to 50V input and output voltages, able to provide up to 500mA of current to multiple output stages. It is ideal for medium to high voltage applications requiring low power dissipation and excellent thermal stability.In addition to the 50V primary output voltage, the NJU7211L2-50 also provides up to 12 additional output levels to improve system flexibility. This allows the device to be tailored to the specific requirements of an application. The low noise, low power, and low power dissipation make the NJU7211L2-50 suitable for a variety of high voltage applications.

Applications

The NJU7211L2-50 can be used in a variety of applications, such as automotive, industrial, medical, and consumer electronics. Its high output current and high efficiency make it ideal for powering high current loads, such as CPUs, LCD displays, and stepper motors. It can also be used to provide regulated power for low-power DSPs (Digital Signal Processors) and FPGAs (Field Programmable Gate Arrays). In automotive applications, the NJU7211L2-50 can be used to provide regulated power for CAN (Controller Area Network) bus and other ECU (Engine Control Unit) systems. In medical applications, it can be used to provide power for HL7-compatible healthcare systems. In industrial systems, it can be used to provide power to CNC controllers, lasers, and industrial automation systems.

Working Principle

The NJU7211L2-50 is based on a linear regulator topology, with an error amplifier at the front end and a voltage reference at the back end. The error amplifier compares the reference voltage applied to its input against the actual output voltage, and then adjusts the output voltage to match the reference. This closed loop feedback system ensures that the output voltage remains constant, regardless of variations in load current or input voltage.The NJU7211L2-50 is designed to be highly efficient and to dissipate minimal power. It has internal thermal protection and is capable of self-protection and fault detection, further increasing its reliability in operation.

Conclusion

The NJU7211L2-50 is a high performance and low power linear voltage regulator capable of providing up to 50V and 500mA of output current. It can be used in a variety of high voltage applications and is suitable for automotive, industrial, medical, and consumer electronics applications. Its high efficiency and low power dissipation make the device attractive for a wide range of applications, while its internal protection and fault detection circuits further increase its reliability in operation.

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