MC34063SMDBKEVB

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MC34063SMDBKEVB is an off-line DC/DC and AC/DC switching power supply evaluation board come from STMicroelectronics. It consists of an ultra-small multiple-function SMD MOSFET with no transformer, allowing higher conversion efficiency, fast transient response, and excellent output performance with minimum external components. It is cost-effective and low power consumption , and they match well with the specifications of mobile and embedded applications.

This evaluation board supports low input voltages (3V to 20V), and high output voltages (1.23V to 80V). It is highly recommended for lighting solutions, industrial applications, design discussion, and application development purposes. It offers reverse current protection, with no need for an additional MOSFET, and provides high levels of output and input temperature capability.

The MC34063SMDBKEVB Evaluation Board provides a wide range of features and benefits. It makes the development of switching power supply applications for industrial applications easier and faster. It has many configuration and operating parameters that are adjustable to optimal fit the designers\' specific application. It also provides an adjustable input voltage window with various fixed and adjustable outputs, making it suitable for different charging and power supply architectures.

The associated MC34063SMD device is a high-efficiency, high-voltage, low-noise DC/DC SMOSFET with selectable current and voltage limits. It offers both step-up and step-down operation, with a low total harmonic distortion (THD) and a high peak current capability. This is ideal for industrial and lighting applications where a high level of accuracy and peak control is required.

The working principle of the MC34063SMDBKEVB evaluation board is based on the convential buck-boost topology. It includes a buck-boost MOSFET, a current sense resistor, and a low-pass filter for error compensation. The pulse width modulation (PWM) control module on the evaluation board precisely controls the buck-boost MOSFET\'s on-off duty cycle to achieve voltage regulation. In normal operation, the main MOSFET is maintained at a constant output voltage. The output voltage level is monitored and feedback to the PWM controller by a current sense resistor. The microcontroller is able to adjust the PWM control pulse width to compensate for any variations in the output voltage.

The evaluation board is designed for easy usage with printed cables, eliminating the need for soldering wires. It also comes with an on-board potentiometer which allows for adjusting the output voltage range. It is an ideal design tool for designing high-efficiency high-power, low-noise DC/DC/AC supplies.

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