NJM2845DL1-23-TE1#

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The NJM2845DL1-23-TE1# is an integrated circuit first developed by New Japan Radio Co in 2019 and is part of the larger NJM family of linear voltage regulators. The IC provides an adjustable output voltage of between 0.7V and 28V and is capable of delivering up to 1.5A of current. This makes the IC an ideal choice for those looking for adjustable precision low voltage and current solutions in both industrial and consumer applications.

Application Field

One of the most popular applications of the NJM2845DL1-23-TE1# is in power supplies and battery chargers. Its wide adjustable output voltage allows it to act as either a step down or step up converter, depending on the desired output voltage. For example, the IC could be used to convert a 12V input to 5V, or a 1.5V input to 28V. The IC is also an excellent choice for applications requiring tight control of the output voltage, such as in linear regulators and DC-DC converters.

The NJM2845DL1-23-TE1# can also be used in other more advanced applications, such as in motor control and motion control. Its current limitation and overvoltage protection feature are very useful when dealing with loads that require increased power in short bursts, where preventing possible overloading is essential. Other general-purpose industrial applications, such as LED lighting, HVAC systems and soldering irons also make effective use of this type of IC.

Working Principle

The NJM2845DL1-23-TE1# is a low dropout (LDO) linear voltage regulator, meaning it has a relatively low voltage drop across its output. This is achieved by using a P-channel MOSFET as its pass device, which allows it to draw very little current and therefore maintain its efficiency. The IC operates by comparing the voltage of its output pin to a precision reference voltage, and then adjusting its pass device accordingly to maintain the desired output voltage. This is achieved by the use of a voltage error amplifier that amplifies the difference between the two voltages, which then controls the gate of the P-channel MOSFET.

The NJM2845DL1-23-TE1# also has a few built-in safety features, such as overvoltage and current-limiting protection. This makes it an even more attractive choice for applications which require reliable and precise voltage regulation. The IC also has a very wide input voltage range, from 0.7V to 28V, meaning it can efficiently scale power from a wide variety of input sources.

In conclusion, the NJM2845DL1-23-TE1# integrated circuit is an excellent choice for applications requiring precise and adjustable low voltage and current solutions. Its wide input and output voltage range, current limiting protection, and low dropout efficiency make it ideal for a range of industrial and consumer applications, such as power supplies and battery chargers, LED lighting, motor control, and DC-DC converters.

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