NJM2930L05

Current - Output:	100mA
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	-30°C ~ 75°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	60dB (120Hz)
Current - Supply (Max):	40mA
Current - Quiescent (Iq):	7mA
Series:	--
Voltage Dropout (Max):	0.6V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	26V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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NJM2930L05 Application Field and Working Principle

NJM2930L05 is a variable output Linear Voltage Regulator System developed by New Japan Radio Co. Ltd. It is a general-purpose power supply system featuring high stability, low noise and low temperature drift.The NJM2930L05 provides continuous voltage regulation from 0.6 to 4.6V, with high accuracy and low output noise. It has high levels of current regulation and Ripple Rejection Ratio, making it ideal for power supplies and other applications requiring high regulation accuracy.NJM2930L05 Application FieldNJM2930L05 is useful for various applications including battery powered and low voltage applications, such as medical equipment, audio equipment and portable computers. It has adjustable output voltage capabilities, which makes it suitable for different operating conditions.NJM2930L05 can be used in a wide range of applications including power supplies, portable scanners, laptop and cellular phone chargers, portable data capture systems, and laptop power supplies. It is also used to power small cameras and audio amplifiers, and can provide up to 2.7A of current.NJM2930L05 Working PrincipleNJM2930L05 works on a simple and reliable principle of linear regulation. The power supply system only uses two main components, an input voltage source, and an output voltage regulation circuit. An integrated circuit controls the output voltage, ensuring that the output voltage is always stable.The output voltage regulation circuit includes an adjustable voltage control voltage (V CO ) which is used to determine the output voltage. It is normally adjusted by a trimming pot. The VCO is connected to the output and feedback was connected to the input terminals via a comparison amplifier. The built in comparison amplifier generates the VCO control voltage (V CO ) which determines the output voltage.The output of the NJM2930L05 is protected against over-voltage and over-current conditions. When an over-voltage or over-current condition is detected, the system will automatically shut down to protect against damage.The NJM2930L05 also has a capacitor-multiplier circuit which eliminates the need for large capacitors at the output power supply terminals. This reduces the size and cost of the power supply system.ConclusionThe NJM2930L05 is a useful power supply system with high accuracy and low output noise. It has adjustable output voltage capabilities and can provide up to 2.7A of current. It is suitable for various applications, including battery powered and low voltage applications such as medical equipment, audio equipment and portable computers. The principle of linear regulation is simple and reliable, and the built in protection feature guards against damage in over-voltage and over-current conditions.

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