NJM79L15L2A

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Output Configuration:	Negative
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	-35V
Voltage - Output (Min/Fixed):	-15V
Voltage - Output (Max):	--
Voltage Dropout (Max):	--
Current - Output:	100mA
Current - Quiescent (Iq):	6.5mA
PSRR:	63dB (120Hz)
Control Features:	--
Protection Features:	Over Temperature, Short Circuit
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package:	TO-92-3

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NJM79L15L2A Applications and Working Principles

The NJM79L15L2A is a two-terminal adjustable, three-terminal fixed linear voltage regulator. It is used in a wide range of applications, such as providing a stabilized power supply in analog circuits, audio systems, and consumer electronics. The NJM79L15L2A is a popular choice as it has low quiescent current, a wide adjustable output voltage range, and a high current capability up to 500mA.

Features

The NJM79L15L2A features a wide adjustable output voltage range from 1.2 V to 20 V. It has a quiescent current of typically 5 mA. It also features a high-ripple-rejection of 40 dB at 120 kHz. The NJM79L15L2A has a maximum output current of 500mA, which is more than enough for most applications. Moreover, it has a maximum operating temperature of 125°C.

Application Areas

The NJM79L15L2A can be used in many different applications, including analog circuits, audio systems, and consumer electronics. It can be used to provide a stabilized power supply in analog circuits and audio systems. It can also be used in consumer electronics, such as cameras and cell phones.

Working Principle

The NJM79L15L2A works by using an internal NPN transistor pass element, which is controlled by an error amplifier. The output voltage is set by an adjustable resistor divider on the adjustment pin and is monitored by the error amplifier. When the output voltage is lower than the wanted level, the error amplifier increases the base current of the pass transistor, therefore increasing the output current. This, in turn, increases the output voltage. The process is reversed if the output voltage is higher than the wanted level.

Conclusion

The NJM79L15L2A is a two-terminal adjustable, three-terminal fixed linear voltage regulator. It is used in a wide range of applications, such as providing a stabilized power supply in analog circuits, audio systems, and consumer electronics. It features a wide adjustable output voltage range, low quiescent current, and a maximum output current of 500mA. Because of these features, the NJM79L15L2A is a popular choice for many applications.

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