MIC45212-2YMP-EV

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MIC45212-2YMP-EV is an efficient, monolithic, low-cost, non-isolated, step-down, single-output DC-DC converter. This evaluation board is great for applications such as telecom, portable electronics, instrumentation, disk drives, and networking—where improved component-size and efficiency are essential.

The MIC45212-2YMP-EV features a standby mode, allowing the board to enter a low power mode when its output is not powered. It also has a wide input voltage range (4.5V to 16V) and a wide output range (0.8V to 15V). The board’s high-efficiency switch mode power supply also minimizes R_ds while guaranteeing low-cost set-up. Additionally, its wide operating temperature range (–40°C to +85°C) and high-precision non-linear current-limiting circuit makes it ideal for automotive, battery-powered, and other similar applications.

The MIC45212-2YMP-EV board is based on MIC45212-2YMP, a step-down, monolithic, single output regulator with the following specs: output up to 5A, 800kHz switching frequency, adjustable output voltage, efficiency up to 90%, and a wide range of over-current protection and short-circuit protection features.

The core of the MIC45212-2YMP-EV is the MIC45212-2YMP regulator. This regulator is based on Pulse-Frequency Modulation (PFM) technology. In this configuration, the regulator uses a ceramic capacitor in the output stage, which helps to provide low output impedance and high output voltage accuracy. PFM ensures that the regulator will not oscillate, and that the output voltage will remain accurate over a wide range of load conditions.

The regulator uses a high-current MOSFET transistor to switch the power between the input and the output. The MIC45212-2YMP-EV board is designed with a soft-start feature, which allows the output voltage to rise slowly after start-up, so that current spikes are minimized. It uses fault protection circuitry as well, ensuring reliable system operation under any circumstance.

The board also has several test points, making it easy to evaluate and debug systems. The test points also allow the user to check the input voltage, output voltage, and operating current. Additionally, the board includes an on-board temperature sensor and digital display, which allow the user to monitor board temperatures.

Overall, the MIC45212-2YMP-EV is a great solution for applications requiring low cost, high efficiency, and precise output voltage regulation. Its wide operating temperature range allows it to perform in a wide array of applications, and its fault protection circuitry ensures reliable system operation. It is ideal for automotive, battery-powered, and other similar applications that require a high-precision, low-cost, and compact power supply solution.

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