LMZ14202EVAL/NOPB

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The LMZ14202EVAL/NOPB is a versatile board designed to evaluate the LMZ14202 synchronous step-down DC/DC converter. This board utilizes high voltage MOSFETs to drive a synchronous switching buck converter, suitable for a wide variety of general-purpose applications. Additionally, the LMZ14202EVAL/NOPB can be used as a reference design for high voltage supply designs.

The LMZ14202 can switch up to 20V and supply up to 500mA of output current. When operating in the continuous mode, it can operate with up to 92% efficiency. In addition, the device is protected against current, thermal, and undervoltage conditions, making it ideal for a wide range of applications.

The LMZ14202EVAL/NOPB is mainly used in applications where the output current needs to be regulated. It is ideal for use in power supplies, such as laptop adapters and other off-line applications. It can also be used as an alternative to linear regulators for cost-effective, efficient designs.

The LMZ14202EVAL/NOPB is built on a two-layer board and includes onboard test points for ease of use and debugging. The MOSFET drivers and control logic are located on a separate daughter board, so engineers can easily access them when designing their own circuits. Filter components are located on the same board to minimize parasitics and ensure optimal performance.

To demonstrate the device\'s performance, the LMZ14202EVAL/NOPB includes a built-in test board. This allows users to simulate the input and output signals, as well as observe the output ripple. The board also includes components to allow the user to change the switching frequency and output voltage of the converter.

The device can be factory programmed to operate in either current mode or voltage mode, and offers both single-ended and differential output configuration options. The converter is also designed to operate with low parts count and can be configured for different output levels from 3.3V to 20V. The LMZ14202EVAL/NOPB also supports a single-ended input voltage range of 4.5V to 24V.

The LMZ14202EVAL/NOPB operates in current and voltage mode, switch-mode operation. This configuration allows it to effectively regulate the output voltage while efficiently minimizing losses to maintain a low Ripple, and ensures a stable output over a wide range of operating parameters. Additionally, the LMZ14202 offers two types of operating modes such as continuous conduction mode (CCM) and discontinuous conduction mode (DCM), which allows the engineer to choose the appropriate mode for their application.

To conclude, the LMZ14202EVAL/NOPB is an ideal evaluation board to properly evaluate the LMZ14202 Synchronous Step-Down DC/DC Converter. It is designed to be used in a wide range of applications, from laptop chargers and other off-line applications to applications in need of efficient, cost-effective power supplies. This evaluation board also allows engineers to easily access the driver and control logic and test configuration, allowing them to quickly and easily design their own circuits.

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