AP3107ZMTR-G1

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The AP3107ZMTR-G1 is an integrated high-voltage power device designed to operate in AC-DC offline power supplies. It integrates a buck or boost converter with a low-side MOSFET switch, providing high efficiency, low standby power, and low total cost of the power solution. In addition to its power conversion capabilities, the AP3107ZMTR-G1 also provides high performance and advanced protection features, allowing for safe and reliable operation of the power supply.

Application Field: The AP3107ZMTR-G1 is well suited for a wide range of applications, including LED lighting, commercial and residential lighting, computer peripherals, power supply modules, and other electronic systems where a low-cost, highly efficient solution is desired.

Working Principle: The AP3107ZMTR-G1 utilizes a buck or boost converter topology with a minimum number of external components. The device features a combined PWM control IC and MOSFET switch to reduce the standby power consumption and increase the overall efficiency of the system. The power supply is further optimized by the built-in control loop and internal linear regulation.

The AP3107ZMTR-G1 starts up from either an AC or a DC source. During the startup process, an internal regulator samples the reflected output voltage (VFB), and compares it with the output voltage set by the reference voltage (VREF). The voltage error is then amplified and used to adjust the boost or the buck converter to the desired output voltage. The AP3107ZMTR-G1 also supports voltage folding, which ensures smooth and precise regulation over the entire operating range. The operating frequency is adjustable via an external clock signal and can be set in the range of 180 kHz to 350 kHz.

The AP3107ZMTR-G1 features over current and over voltage protection (OVP). The OVP is triggered when the output voltage exceeds a pre-set threshold. The device also features built-in soft start circuit, which helps to limit the inrush current at the start-up. The AP3107ZMTR-G1 also incorporates a thermal shutdown protection circuit, which helps to protect the device from being constantly over stressed.

In addition to the advanced protection features, the AP3107ZMTR-G1 also includes a low-side MOSFET switch. This switch helps to further increase the overall efficiency of the system by allowing for the AC line input to be rectified directly without passing through an extra rectification stage. The switch also helps to reduce the standby power consumption, allowing for a greener and more economical power solution.

The AP3107ZMTR-G1 is a cost effective and highly efficient solution that enables AC/DC offline power supplies. The device provides an integrated, minimum component solution with advanced protection features. The combination of buck or boost converter and low-side MOSFET switches allows for a highly efficient and low-cost power solution. This, combined with its overload and over voltage protection features, allows for reliable operation and prolonged life cycle.

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