UCD9112EVM

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UCD9112EVM is a low-noise peak current mode single channel power supply integrated circuit (IC) evaluation module (EVM). This module is designed for offline DC/DC and AC/DC switch mode power supply circuits. It is based on UCD9112, which integrates many essential functions in one IC, including its unique low-noise control loop, output voltage regulation, line under/over voltage protection, current limitation, peak current-mode control, and configurable active current sharing.

The operating principle of the UCD9112EVM is based on the 18 to 75V input voltage range and maximum 5A peak current capability. It utilizes peak current mode technique to regulate its output voltage. A low-noise voltage control loop circuit is integrated to control the output voltage of the IC. The full protection function of UCD9112EVM includes output short circuit protection, output overvoltage protection and undervoltage protection. With the high-voltage integrated power stage, UCD9112EVM is capable of operating from 85 to 135V.

UCD9112EVM adopts a push-pull architecture to minimize the ripple of the output current. It also takes into consideration the low thermal resistance and the high-voltage integration requirements. The power stage integrates a high-frequency switch with the drive transistor, which enables the IC to handle high-frequency signals with ease. Moreover, the wide-bandgap technology (WBGT) allows the input voltage rating of the IC to extend from 18V to 75V.

The application fields of UCD9112EVM cover a wide range, including LED lighting, appliances, personal electronics, automotive electronics and portable devices. Its ability to provide high-efficiency conversion in harsh environment makes it a perfect choice for applications powered by batteries. At the same time, the integrated output overvoltage, output short circuit and line under/overvoltage protectors ensure the safety when operating in harsh conditions. In addition, the high current-capability of the IC makes it suitable for high-power applications.

Overall, the UCD9112EVM is a high-performance, low-noise, single channel IC evaluation module, and it is suitable for DC/DC and AC/DC Offline switch mode power supply applications. It is easy to use and provides high-efficiency conversion due to its integrated power stage. With full protection and wide input voltage range, UCD9112EVM is an ideal solution for applications that need reliable and stable operation under harsh conditions.

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