AP3772AK6TR-G1-2

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PMIC - AC DC Converters, Offline Switchers

AP3772AK6TR-G1-2 is a professional power management integrated circuit (PMIC) which is designed by a Power Integrations. This single-stage offline switcher IC utilizes the latest integrated solutions and is particularly optimized for high power factors, low total harmonic distortion and efficiency.

Application Field

The AP3772AK6TR-G1-2 can be deployed in many electronic applications such as LED lighting or home appliance where the need for total output power of up to 200W AC/DC is required. It can provide stable and efficient power supply to electronic products used in mobile phones, smartphones, tablets and PCs.

Working Principle

AP3772AK6TR-G1-2 is based on single-stage architecture and high-frequency switching pulse frequency modulation technology, which controls the power supply by adjusting the output current. When an AC/DC power supply is used, the working principle of AP3772AK6TR-G1-2 is firstly a full bridge rectification and voltage multiplier circuit is used to change the AC voltage into a DC voltage. The DC voltage is then fed into the pulse width modulation (PWM) controller, which acts as the main controller of AP3772AK6TR-G1-2. The controller generates PWM signals which controls the MOSFETs on the primary side of the transformer. The on-off times of the signals control the switching of the MOSFETs, which in turn regulate the output power and the flows of components within the power supply system. Finally, the DC output voltage of the power supply is regulated by the feedback system which senses the output voltage and sends signals to the PWM controller to adjust its switching frequency.

The AP3772AK6TR-G1-2 provides significant advantages over traditional single-stage power supply solutions, as it enhances energy conversion efficiency and reduces size and cost. The efficiency of the AP3772AK6TR-G1-2 is certified by Energy Star, CEC and UL that signifies that it is one of the most efficient power supplies in the market, meeting the latest regulatory standards.

Safety Features

AP3772AK6TR-G1-2 is designed to operate stably and safely, meeting all critical safety, reliability, and performance requirements. It includes built-in features to protect the user from thermal and over-current issues. It also includes protections for output voltage overrun, output overvoltage and under-voltage shutdown, input over-voltage and under-voltage shutdown, and excessive peak current to guard against personal injury and potential damage to sensitive equipment. These safety measures ensure the sinusoidal output waveform with low total harmonic distortion, and a high power factor as well as stable output voltage regulation.

Conclusion

AP3772AK6TR-G1-2 is an industry-proven single-stage power supply IC designed to deliver safe, stable and efficient power to end products. It is a great choice for application areas where high output power, high efficiency, and simplicity are needed. The advanced pulse frequency modulation technology and overall design help to deliver high powerfactor and low total harmonic distortion even under light and heavy loads. The integrated protections keeps the end product running stably and safely.

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