RT9297GQW

Power management integrated circuits (PMICs) are an important part of the electronics used in our everyday devices. They help to regulate the voltages used by the various components in devices like smartphones and tablets. Voltage regulators are an integral part of such PMICs and play a crucial role in voltage regulation in typical devices. Special purpose voltage regulators are used in variety of applications where higher voltage requirements or other special features are required.

The RT9297GQW from Richtek is a special purpose power management IC specifically designed to be used in a green mode primary side regulation for isolated dc-dc converters. It is an ideal solution for applications such as adapter, router, LED lighting and other high-end power supply systems that require a high-efficiency in a small package. This IC is designed in a very compact package of SOP-8 and offers up to 95% efficiency in the operation of isolated DC-DC converters.

The RT9297GQW is designed to operate as a primary side controller in isolated DC-DC converters and offers very accurate programmable output voltages. The adjustable output voltage range is from 0.8V to 1.5V and the output resistance is less than 0.1%. The IC provides a 19mV typical output voltage accuracy and a 14.5mV typical voltage regulation. It senses the output voltage with 1% accuracy and provides a default voltage setting needed for most converters.

The RT9297GQW is equipped with a few key features that make it an ideal power management choice for isolated DC-DC converters. It includes a wide input voltage range from 6V to 75V. It also features an over-current protection, a fault monitoring circuit and an internal 300mA gate driver. The gate driver is responsible for driving the external power MOSFET and enables the RT9297GQW to operate at a high switching frequency. It also provides an accurate current limit function to protect the system from an over-current condition.

In addition to these features, the RT9297GQW provides an excellent EMI performance. It operates with a low EMI profile and low no-load power consumption. The IC includes an adjustable switching frequency for EMI optimization and can achieve a peak current limit of up to 800mA. It also features a smart temperature-sensing function which prevents the IC from over-temperature.

The RT9297GQW is designed to be used in various applications. It is ideal for powering various circuits in isolated dc-dc converters, power adapters and LED lighting systems. It is an excellent choice for use in mobile applications where size, weight and efficiency is a primary concern. It can also be used in wide variety of industrial, automotive and consumer applications.

The RT9297GQW is designed to improve power performance in various power supply applications. Its primary side regulation helps to reduce the power loss, improve the efficiency and also provides a reliable system performance. This IC offers a simple, cost-effective and highly efficient solution for powering various systems in a wide range of applications.