DC664A

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DC664A is a Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS designed to evaluate the performance of Quasi-resonant PWM Flyback Controllers. It is a high power density, single output, off-line flyback converter with all the necessary components on the board. The product is developed by Murata Corporation and offers a wide range of power conversion efficiency, from high-efficiency for AC-DC applications to low-power for DC-DC applications.

DC664A application field includes power distribution of constant voltage and constant current with ON/OFF working, such as DC-DC converter of mobile phones and dedicated computers, AC-DC adapter of digital devices, etc. DC664A’s operating voltage range is between 3.3V and 28V, and the output range is from 5 to 25W.

The working principle of DC664A is based on the isolated quasi-resonant topology. It efficiently converts alternating current (AC) to direct current (DC). It uses two transistors to make the conversion possible and also provides a constant output voltage even if the input voltage varies. It also provides general safety isolation and has low emissions of electromagnetic interference (EMI).

DC664A’s maximum current is 16A, the switching frequency range is from 50KHz to 300 KHz, the turn-off time is adjustable from 1mS to 10mS, and the typical output power conversion efficiency is around 83%. It also provides remote on/off control with a programmable power-up delay time and over-voltage protection. The board has an integrated protection circuitry; it will shut down automatically to prevent damage in case of over-voltage or over-current situations.

DC664A is a powerful product with high reliability. It is an ideal choice for applications demanding high efficiency, robust design, and robust operating performance. It provides an exceptional cost-performance ratio and is suitable for use in a wide variety of DC/DC and AC/DC applications. It is a reliable solution for power supply designers looking to deliver robust solutions to their customers.

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