DPA422PN

Series:	DPA-Switch®
Packaging:	Tube
Part Status:	Obsolete
Applications:	Converter, Power Over Ethernet and Telecom Applications
Voltage - Input:	16 V ~ 75 V
Number of Outputs:	1
Voltage - Output:	220V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-DIP

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Introduction

DPA422PN is a special purpose voltage regulator specifically designed to trigger an ideal diode. It is used in various applications where efficiency is the key factor, including power converter and power management systems. This voltage regulator is specially designed to provide optimal performance over wide temperature and input range.

Application Field

DPA422PN is a special purpose voltage regulator featuring selectable voltage execution of 6.3V, 7V and 8V. It can operate from a wide input voltage range from 3V to 18V. The device supports I2c, PWM, and control inputs for optimized power solutions. The device is capable of delivering a programmable regulated output of up to 4A which makes it suitable for applications such as power converters, power robotics, motor controllers, and motor drives, among others.

Features

DPA422PN features wide input voltage range, good load regulation, low output noise, and fast transient response. It is designed to provide higher current regulation than a standard linear regulator. The device features a 3-step current limit protection and under-voltage lockout. It also features programmable soft-start, adjustable soft-stop, and adjustable current limit. The device has an internal thermal shutdown feature to protect against overpowering.

Working Principle

The working principle of DPA422PN is based on the concept of ideal diode, an imaginary device that can pass a current bidirectionally, with zero forward voltage drop and zero reverse leakage current. Ideal diode technology is used to implement a variable current regulator, which senses the current in the load and adjusts the output voltage to maintain a constant level of current.The regulator converts the high input voltage to the needed output voltage. When the load is connected, the current flowing through the load is sensed and the voltage at the output is adjusted accordingly. DPA422PN combines the ideal diode and linear regulator providing the best of both for efficiency and current regulation.

Conclusion

DPA422PN is a special purpose voltage regulator designed to trigger an ideal diode, offering high efficiency and current regulation. The device is suitable for applications such as power converters, power robotics, motor controllers, and motor drives. The regulator works on the concept of ideal diode technology, sensing the current in the load and adjusting the output voltage accordingly to maintain a constant level of current.

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