TOP103YN

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TOP103YN is an electronic component used in many electronic applications. This component is a monolithic, integrated AC-DC converter offering a number of advantages over other power supply solutions. It is a highly efficient, synchronous, buck-boost switching regulator designed for a wide input voltage range and a wide variety of output power levels.

This component can be used for uninterrupted power supplies (UPS), desktop and networking applications, datacenters, industrial systems, and medical instrumentation. The TOP103YN supports a wide input voltage range of 2.8V to 16V, providing a maximum output voltage of 23V. It has a high efficiency of 97% and standby power consumption as low as 11 mW. It is also available in a wide range of package types, including TSOP, LCC, MSOP and QFN.

The working principle of TOP103YN is based on two stage buck-boost regulation. In the first stage, a buck converter is used to convert the input voltage to an intermediate voltage, typically close to the output voltage, while at the same time reducing the current ripple. In the second stage, a boost converter is used to adjust the intermediate voltage to the required output voltage, while at the same time smoothing the current with an output capacitor. This two stage approach reduces the complexity and size of the power supply design, while improving the efficiency and providing better response to transient load steps.

TOP103YN has a variety of features that make it an ideal solution for many applications. It has a stepless output voltage accuracy less than 1%, a no-load quiescent current lower than 0.5 mA, and a positive output current capability up to 45 A. It has output voltage tracking, remote ON/OFF, and over-temperature protection. Its smart start circuit ensures a smooth startup and its built-in soft-start prevents output voltage overshoot. It also has an on-board hysteretic thermal foldback and a thermal shutdown circuit.

Due to its wide range of features and benefits, TOP103YN is rapidly becoming a popular choice for many AC-DC power supply products. It is being used in applications such as LED lighting, high power LED strips, LED displays, solar inverters, automotive infotainment systems, smart grid devices, and medical appliances. The TOP103YN AC-DC converter is designed to meet the exacting demands of these and other applications, delivering reliable, efficient power conversion and long-term stability.

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