LMZ31530EVM-002

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Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS are designed to provide users a platform to evaluate off-line DC/DC & AC/DC switch mode power supplies (SMPS) products. The LMZ31530EVM-002 is a flexible evaluation board for the LMZ31530, a 30 W fixed frequencyFlyback DC/DC converter. This evaluation board is designed to demonstrate the LMZ31530 device and provide a platform to demonstratethe features and performance of the device.

The LMZ31530EVM-002 application field basically lies in the Industrial, Automotive, and general purpose system.

The evaluation board can be used to evaluate the performance of the LMZ31530, which is tensively used in the field such as secondary side regulation, light load efficiency, standby and data regeneration current, internal current sensing, over voltage control, and temperature sensing. The LMZ31530 Evaluation Board features a proven Flyback design with open loop/closed loop/current mode control for fast transient response. The design provides high efficiency, wide input voltage range, low-input-voltage-protection, over-temperature-protection, and requires no minimum-load.

The LMZ31530EVM-002 also shows several examples of using the device, including Leading and Trailing Edge Modulation, Programmable Frequency, ADM Duty cycle, ADM PWM, Bypass PWM. It also includes a wide array of design flexibility and cost-effectiveness, featuring DC/DC switch mode power supplies that can be used to achieve high efficiency and low cost.

The working principle of the LMZ31530EVM-002 is based on the Flyback topology that is widely used in SMPS applications. The AFE portion of the device is designed to extract energy from the primary side windings of the transformer and store it in the output capacitor to provide an average output power to the load. The output voltage regulation is achieved by adjusting the duty cycle of the primary side MOSFET switch that controls the amount of energy transferred to the output. The other components of the device are an inductor, diode, and Schottky diode which are used to generate the current for the primary side of the transformer.

The LMZ31530EVM-002 provides a variety of features that enables designers to optimize their designs for different application needs. Its configurability, flexibility, and efficiency makes it an ideal choice for developing and testing of DC/DC and AC/DC SMPS designs. The board also provides a cost-effective solution that can be used for a wide variety of applications including industrial, automotive, and general purpose systems.

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