AP3776MTR-G1

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PMIC - AC DC Converters, Offline Switchers are the key components for industrial, medical and home appliance systems. They provide the power necessary for the system to operate in an efficient manner. The AP3776MTR-G1 is an integrated AC/DC converter, offline switcher from Alpha and Omega Semiconductor with wide input voltage range and standby power loss lower than 2.3mW. This component offers an integrated, high-efficiency, and low-cost solution for AC/DC conversion applications,power supply and other general purpose power supply applications.

The AP3776MTR-G1 is a low cost, high performance, single-channel, Constant On Time (COT) high voltage converter. It is designed to operate in both offline and DC/DC mode across a wide input voltage range and offers integrated features including under voltage lock out (UVLO), programmable switching frequency, overvoltage protection, adjustable operating current, programmable soft start time, and over temperature protection (OTP). The AP3776MTR-G1 has a maximum output current of 1.1A and a wide range of output voltage options from 2.8V to 24V.

The working principle of the AP3776MTR-G1 is based on the constant on time method and it employs the concept of maximum current mode. During normal operation, the internal PWM switches convert the input voltage to the desired output voltage at the same time. The internal current sense amplifier monitors the output current and regulates the maximum output current. When the output current is greater than the set maximum output current limit, the PWM signal will stop switching and the output current will be reduced to the maximum output current limit. This will allow the user to have a reliable and consistent output current.

The AP3776MTR-G1 can be used in a variety of applications such as mobile phones and tablets, white goods, battery powered equipment, portable electronics and general purpose power supplies. It is available in standard 8-pin SOIC packages, enabling easy integration into existing designs.Its ULV operating current of 0.5A makes the AP3776MTR-G1 suitable for low power systems, while its 1.1A maximum output current makes it suitable for higher power applications. The device is also protected against overvoltage, overcurrent and over temperature, ensuring long and reliable operation.

The AP3776MTR-G1 is a reliable, efficient and low cost solution for AC/DC conversion applications where the input and output are isolated. Its integrated features make it an ideal choice for a variety of general purpose power supplies, providing the user with a cost effective and robust solution for their power requirements.

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