CHL8228G-12CRT

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The CHL8228G-12CRT is a highly sophisticated piece of equipment. It is an integrated voltage regulator that provides a range of advanced features. It is designed for use in applications such as LED lighting, LCD/OLED display backlighting, and industrial/consumer circuits. This integrated voltage regulator is part of the CHL8228G series of products from ROHM Semiconductor, which is a leader in the production of various types of power management devices.

Overview

The CHL8228G-12CRT is a highly-integrated voltage regulator circuit. It is a 3-channel series type switch intended for parallel connection of MOSFETs and a total output current of up to 48A. This integrated circuit includes a high side switch, a low side switch, and a ground switch. It also offers a wide range of programmable output monitor functions, over current protection, thermal protection, and over voltage protection (OVP). The wide input operating range is from 4.5V to 18V.

This integrated voltage regulator offers a range of advanced features such as a synchronous rectifier output, a programmable current limit, a programmable soft-start time, and over temperature protection. It also helps to protect the MOSFETs with a protective start circuit that serves to detect the output voltage and prevents voltage spiking. In addition, it has a pre-bias control circuit.

Features

The CHL8228G-12CRT offers a range of features that is designed to meet the most demanding applications. The product has an integrated pre-bias control circuit that serves to detect the output voltage and prevents voltage spiking. It also has a wide input operating range (4.5V to 18V). In addition, it has a high side switch and low side switch with a current limit of 48A.

This device also has a programmable current limit, which is used to set the maximum current output, an over current and over temperature protection, and a programmable soft-start time. It also includes a synchronous rectifier output and a protective start circuit to ensure the safe operation of connected MOSFETs. All these features make this integrated voltage regulator extremely versatile and efficient, and can be used for a wide range of applications.

Applications

The CHL8228G-12CRT is an ideal choice for applications that require high efficiency and reliability. It is designed for use in LED lighting, LCD/OLED display backlighting, and industrial/consumer circuits. The wide input operating range makes it suitable for use in both low voltage and high voltage applications. Its integrated pre-bias control and over current protections are also perfect for use in applications that require high accuracy and precision in the output.

In addition, the device can be used in other applications, such as power controllers, switching power supplies, battery-powered devices, and automotive electronics. This integrated circuit can also be used as a driver for high power switching applications such as MOSFET drivers and power supplies.

Working Principle

The CHL8228G-12CRT operates on a simple principle. When power is supplied to the device, it checks the voltage level of the input voltage. The input voltage is then regulated by the integrated voltage regulator circuit, which is responsible for controlling the output voltage and current. The device also monitors the output current to ensure that it is within the programmed limits.

The integrated high side and low side switches are used to control the amount of current allowed to flow through the circuit. The device monitors the temperature of the MOSFETs while they are in use. The protective start circuit is used to detect the output voltage and prevent voltage spiking. The synchronous rectifier output, along with the programmable current limit and programmable soft-start time, help to make this integrated voltage regulator highly efficient and reliable.

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