DC389A-A

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DC389A-A is an evaluation board designed by Intersil Corporation, an American semiconductor manufacturer. It is used to facilitate evaluation of Intersil\'s ISL8260M, ISL8261M, ISL8262M, ISL8263M, ISL8264M, ISL8265M AC/DC (off-line) and DC/DC Switch Mode Power Supplies (SMPS). The board is rated for up to 15W of power and is an excellent platform for the development and evaluation of the SMPS.

The ISL8260M and ISL8261M are single channel products and are rated for up to 6W of power. The ISL8262M is a dual channel solution capable of up to 12W of power. The ISL8263M, ISL8264M and ISL8265M are three channel solutions capable of up to 15W of power each.

The DC389A-A evaluation board features a full range of input voltage options from 85VAC to 265VAC, as well as adjustable output voltages ranging from 5V to 24V. It also features an adjustable frequency oscillator that allows the user to select the desired switching frequency from 100kHz to 500kHz. In addition, the board is equipped with all the necessary components to facilitate proper circuit implementation.

The board is equipped with an on-board power monitor that displays input voltage, output current, output voltage, power, and efficiency in real time. Additionally, the board has an additional separate probe for current measurement and other diagnostics. The provided software package also allows for graphical displays of all monitored parameters.

The integrated circuits used in the DC389A-A evaluation board are designed to generate multiple outputs with a regulated voltage or current. A wide variety of topologies can be implemented, including buck, boost, buck-boost, and flyback. The integrated circuits used are current mode controllers with PWM dimming, soft start and adjustable switching frequency. The devices also offer cycle-by-cycle current and thermal protection.

The DC389A-A evaluation board is designed to implement circuits with high power density, low power consumption, and high efficiency. The board utilizes advanced layout techniques to ensure optimum thermals and heat dissipation. Additionally, the output transistors used are rated for up to 15W of power. The board is designed to also implement low-EMI solutions, such as spread-spectrum frequency modulation, phase-shift modulation, and burst mode timing control.

In conclusion, the DC389A-A evaluation board is an excellent platform for the development and evaluation of Intersil AC/DC (off-line) and DC/DC switch mode power supplies. The board features a full range of input and output voltage options, as well as an adjustable frequency oscillator and on-board power monitor. The board also implements advanced layout techniques to ensure optimum performance and thermal characteristics.

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