NJU7201U35

Voltage Dropout (Max):	0.6V @ 20mA
Supplier Device Package:	SOT-89-3
Package / Case:	TO-243AA
Mounting Type:	Surface Mount
Operating Temperature:	-25°C ~ 75°C
Protection Features:	--
Control Features:	--
PSRR:	--
Current - Output:	100mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.5V
Voltage - Input (Max):	12V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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NJU7201U35 Application Field and Working Principle

NJU7201U35 is a low-drop linear regulator produced by New Japan Radio. It is part of their PMIC (Power Management IC) family and is categorized as a voltage regulator within the linear regulator subcategory. The NJU7201U35 is designed primarily for three purposes, namely to supply power to digital signal processors, to stabilize reference voltage, and to act as a recharging detector for lithium-ion batteries. In this article, we will take a closer look at the functions, features, application field and working principle of the NJU7201U35.

Functions and Features

The NJU7201U35 was designed with a wide variety of functions and features. Its low-drop regulator ensures that it can provide a stable output at a low input voltage. This make it an ideal choice for power supply to digital signal processors. The NJU7201U35 also has variable output voltage, adjustable from 2.2V to 3.3V, plus it has over-voltage protection and over-current protection to prevent short circuit. The NJU7201U35 also has a built-in MOSFET which can be used to detect current at various levels, making it suitable for use as a lithium-ion battery recharging detector. Moreover, the NJU7201U35 has a small SOT-23-6 footprint and operates in a wide operating temperature range from -40 to +125 degrees Celsius, making it suitable for use in automotive and industrial applications.

Application Field

The low-drop voltage regulator of the NJU7201U35 makes it ideal for use as a power supply in digital signal processors. This is due to the fact that the NJU7201U35 can maintain a stable output voltage even at low input voltage levels, making it a reliable power source. Furthermore, the NJU7201U35 is also suitable for control board circuits, as its relatively small SOT-23-6 footprint allows it to be easily implemented in control board circuits. Moreover, the NJU7201U35 can also be used to stabilize a reference voltage, such as when powering fuzzy logic systems. In addition, the built-in MOSFET enables the NJU7201U35 to accurately detect current at different levels, making it suitable for use as a Li-ion battery recharging detector. Finally, its wide operating temperature range makes it suitable for automotive and industrial applications.

Working Principle

The NJU7201U35 is a linear regulator, which means that it uses a relatively simple working principle. The linear regulator in the NJU7201U35 is composed of a transistor and two resistors connected to an output terminal. The transistor is then connected to an input terminal, which takes power from an external power source.When the NJU7201U35 is switched on, current flows through the transistor and the resistors, and the transistor acts as an adjustable resistor, known as a "regulator". This regulator is adjusted in order to maintain a stable output voltage at the output terminal by varying the amount of current that flows through the resistors. In this way, the NJU7201U35 is able to maintain a stable output voltage even at low input voltage levels.

Conclusion

The NJU7201U35 is a low-drop linear regulator produced by New Japan Radio. It is part of the PMIC family and categorized as a voltage regulator within the linear regulator subcategory. The NJU7201U35 was designed with a variety of functions, features, and applications. Its low-drop regulator allows it to be used as a power supply in digital signal processors, while its adjustable output voltage and built-in MOSFET makes it suitable for use as a Li-ion battery recharging detector. Moreover, its wide operating temperature range makes it suitable for use in automotive and industrial applications. The NJU7201U35 uses a relatively simple linear regulator working principle, wherein current flows through a transistor and two resistors connected to an output terminal, and the regulator is adjusted to maintain a stable output voltage.

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