DC1238B

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The DC1238B power supply evaluation board is an off-line switching regulator system based on the popular DC1238B power supply IC from STMicroelectronics. It provides a robust, low-cost, high-performance evaluation solution in a 8-pin SOIC package. This evaluation board provides an efficient DC-DC power supply solution for sensitive or demanding applications requiring superior power quality. The board includes a range of onboard regulators, feedback networks, control circuitry, power-management circuits, and a system interconnect for easy integration into any system.

The DC1238B evaluation board is optimized for non-isolated, step-down (buck) regulator applications. It features an integrated flyback diode, external MOSFET-based current-mode control, a 5-bit synchronous buck regulator, and an integrated PFC pre-regulator. The board also includes an adjustable input voltage limiting feature that allows for higher operating voltage levels. All of these features are designed to help the board achieve greater efficiency, improved power density, and higher power quality, while also helping to reduce board space and complexity. In addition, the board offers a wide range of adjustable switch-mode operating parameters for easy tuning and optimization.

The integrated PFC pre-regulator helps reduce overall system power consumption and provide higher power quality. This feature includes a current-mode control loop with a wide differential voltage range. The board also features an adjustable asynchronous power switching frequency, adjustable ramp signal timing, and adjustable PFC current control settings. Additionally, the board provides an adjustable soft-start feature that helps regulate the start-up current drawn by the device.

In terms of power input, the DC1238B evaluation board supports a wide input voltage range from 7 V to 42 V. This input range can be further extended by the use of the adjustable input voltage limiting feature. The board also includes an integrated soft-start circuit that significantly reduces the amount of power that is drawn from the source during initial start-up. The board also features an adjustable output voltage, adjustable current limit, and adjustable minimum Duty Cycle limit.

The DC1238B evaluation board provides the user with a wide variety of options for evaluating their application\'s power requirements. It features adjustable frequency and voltage settings, adjustable ramp signal timing, and adjustable PFC current settings. The board also includes monitoring and protection circuitry such as an under voltage lockout, overvoltage protection, and short-circuit protection. Additionally, the evaluation board works very well with modern digital and analog components. This enables the user to quickly evaluate the power supply\'s performance in their application.

In conclusion, the DC1238B evaluation board from STMicroelectronics is a simple, low-cost solution for evaluating the power requirements of sensitive or demanding applications. It provides an efficient DC-DC power supply solution with superior power quality, high levels of integration, and adjustable switch-mode operating parameters. Additionally, the board offers adjustable input voltage limiting, soft-starting, and a wide input voltage range. This helps the user evaluate their application\'s power requirements quickly and accurately.

The specific data is subject to PDF, and the above content is for reference