Current - Output:	500mA
Base Part Number:	NCP4629
Supplier Device Package:	DPAK-5 (TO-252)
Package / Case:	TO-252-6, DPak (5 Leads + Tab)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 150°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	60dB (1kHz)
Current - Quiescent (Iq):	130µA
Series:	--
Voltage Dropout (Max):	0.18V @ 200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	24V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Abstract

This article discusses the application field and working principle of the NCP4629HDT050T5G, which is a low dropout voltage regulator that belongs to the PMIC - Voltage Regulators - Linear category. It has wide applications in modern electronics and the working principle of the device is discussed in detail, in order to help engineers gain a better understanding of its use.

Introduction

The NCP4629HDT050T5G is an important type of Power Management Integrated Circuit (PMIC) belonging to the Voltage Regulators - Linear category, and it is designed to serve as a low dropout voltage regulator. This device helps in supplying regulated voltage which is required to drive the systems or devices in regulated amounts and for regulated times. The NCP4629HDT050T5G was released with much fanfare in the electronics industry because of its unique properties and capabilities. It comes with a wide range of features and specifications, making it suitable for a variety of applications in modern day electronics.

Applications

The NCP4629HDT050T5G device has a wide variety of applications, including those in the automotive, consumer, and industrial fields. Generally, it is used in applications where low voltage and low current are required, such as in battery-powered devices. Additionally, it is also suitable for use in current limiting and battery monitor circuits, as well as in voltage monitoring, power sequencer, and current limiters. Its low dropout voltage feature makes it an ideal choice for applications where low current is required, such as voltage monitors and power sequencers.

Features

The NCP4629HDT050T5G device comes with many features that make it a versatile choice for many applications. To start with, it has an adjustable output current ranging from 0.1 A to 1.5 A. This makes it suitable for both low-current and high-current applications. Additionally, it is capable of sourcing and sinking current in order to adjust the output voltage. This feature makes it suitable for circuits that require an adjustable output voltage. The device also comes with a low dropout voltage feature that allows it to operate down to a very low output level. This makes it an ideal choice for powering low-voltage systems, such as microcontrollers. Additionally, it comes with an over-temperature and over-current protection feature, which protects the circuit from damage due to overheating or overcurrent. Furthermore, it has a maximum output voltage of 5.5V.

Working Principle

The NCP4629HDT050T5G device is designed to act as a low dropout voltage regulator that can finely adjust both input and output voltages. Fundamentally, the device works by regenerating the input voltage. The applied input voltage is processed in an internal circuit, where the voltage gain or loss of the signal is adjusted through the operation of an internal regulator. This regulator is then able to provide an output voltage that is constant for a given input voltage, depending on the specific application.The output voltage is maintained in two stages. The first stage is the main regulator, which adjusts the voltage gain or loss to keep the output voltage constant. This stage is then followed by a compensation stage, which regulates the output voltage and current to maintain a stable output voltage over a range of input voltages. The device also comes with a low-dropout (LDO) feature, which can sense and regulate a drop in the current flowing through the device to ensure that the output voltage remains constant, even when the input voltage decreases. This feature makes the device suitable for applications where low current levels are required. Finally, the device also comes with a current limit feature, which helps in protecting the device from damage due to overcurrent. This feature can monitor the maximum and minimum currents that can flow through a circuit and adjust the output voltage to prevent overcurrent from occurring.

Conclusion

The NCP4629HDT050T5G is a low-drop voltage regulator that belongs to the PMIC - Voltage Regulators - Linear category. It has wide applications in modern electronics, and its features and nuances help it become a versatile choice for many applications. This article discussed the device’s applications and working principle in detail, helping engineers gain a better understanding of this important device’s use.

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