NJU7670M

Voltage - Input (Max):	-6V
Supplier Device Package:	14-DMP
Package / Case:	14-SOIC (0.209", 5.30mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-20°C ~ 75°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	2.5kHz
Current - Output:	20mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	nVin
Series:	--
Voltage - Input (Min):	-2.6V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Negative
Function:	Ratiometric
Part Status:	Active
Packaging:	Tube

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NJU7670M Application Field and Working Principle

NJU7670M is a high temperature operating voltage regulator produced by NJRC Corp, facilitating the regulation of current on an integrated circuit using a digital signal processor. It is a multi-function DC/DC switching regulator and has created an attractive demand in many industrial and commercial applications. It is commonly used in control systems, remote radio communications, and radio frequency systems. The NJU7670M uses a variety of technologies and materials to supply its regulated power, along with advanced switching and control algorithms to regulate the power converters.

NJU7670M Functions

The NJU7670M is a mega-dollar solution that boasts several advantages over ordinary voltage regulation equipment. It combines the elements of high voltage regulation, high temperature operation, advanced power conversion technology, and adjustable switching rates. NJU7670M is an all-in-one device encompassing these features and has a wide range of adjustable output voltages and switching rates. It is designed to provide high-efficiency performance, even in severe environmental conditions. The NJU7670M offers an adjustable voltage output range of 2.5V to 31V and a maximum load current of up to 10A. It implements a pulse-through switch control technology that achieves an efficiency of up to 93%, with a peak efficiency of 94%. This type of regulator features a unique switch-charge integration technique, which improves the dynamic response and reduces overshoot of the output voltage. Its adjustable switching frequency and current limit provide multiple choices for users to select the device that meets their specific requirements.

NJU7670M Working Principle

The working principle of the NJU7670M power converter is based on a synchronous rectification, or “duty cycle” control. This type of power converter regulates the output voltage by utilizing the on-off ratio of a switch. As the voltage increases, the on-off timing of the switch is adjusted to regulate the output voltage. The NJU7670M incorporates two switches into its design, and utilizes a complex modulation algorithm to regulate its output voltage.The NJU7670M is equipped with an advanced control algorithm that synchronizes the timing of the switches, as well as other parameters of the regulator to optimize the load conditions. This algorithm is designed to achieve fast regulation and maintain a constant output voltage under any temperature variation. The NJU7670M also has a built-in voltage reference that allows users to adjust a target output voltage according to their needs.

Conclusion

The NJU7670M is an all-in-one DC/DC switching regulator. It has a wide range of adjustable output voltages, high temperature operation, improved efficiency, dynamic response, and adjustable switching frequency. It is designed to provide high-efficiency performance in severe environmental conditions. With its advanced switch-charge integration, this type of power converter is perfect for a variety of industrial, commercial, and remote radio applications.

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