MIC23155YMT-TR

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The MIC23155YMT-TR is an integrated system solution for DC/DC switching regulator applications in a variety of markets,including industrial, automotive and consumer. It is a single-input, dual-output, high-efficiency DC/DC controller with a wide range of adjustable operating frequencies, two independent power switches with low on-resistance, programmable input and output voltage regulation, and integrated overvoltage protection.

The MIC23155YMT-TR is ideal to power applications requiring multiple voltage regulation points from a single supply. It features a power-efficient and cost-effective design by combining two channels of high-efficiency integrated power switches with adjustable operating frequencies and an adjustable input voltage source. This allows for an optimized power utilization from the supply and lower costs associated with the regulator. The adjustable input voltage source and integrated protection enable the controller to handle a wide range of voltage levels.

The MIC23155YMT-TR integrates all of the components necessary to create a single-input, dual-output, high-efficiency DC/DC switching regulator with output current up to 0.5A. The on-chip control logic provides switching frequency adjust-ability, input and output voltage regulation, as well as overvoltage protection while the integrated power switches provide low on-resistance and high efficiency. This results in a power-efficient and cost-effective DC/DC converter solution.

The MIC23155YMT-TR has a wide working range of output voltages. The output voltage can be programmed from 0.8V to 3.3V and the switching frequency can be adjusted from 200 kHz to 1 MHz. The input voltage can be programmed from 2V to 24V. All of these adjustable parameters provide flexibility in configuring the controller to meet the specific power requirements of the application.

The MIC23155YMT-TR achieves high efficiency and low power dissipation by combining a low on-resistance (33 mΩ typ. at VIN = 12V) power switch with a high frequency operation. The two independent power switches, combined with the integrated logic, enable the controller to implement a variety of multi-channel power configurations, such as single-output and dual-output applications.

The integrated input and output voltage regulation of the MIC23155YMT-TR allows for precise and consistent output voltage. This ensures that the supply voltage is regulated at a specified level and that the output voltage is supplied within the application\'s voltage range requirements. This feature is especially important for applications that require precise output voltage regulation, such as industrial control systems.

Integrated overvoltage protection is another feature of the MIC23155YMT-TR. This feature is especially important for applications that require protecting the device from overvoltage conditions that can damage the device, or cause functional difficulties. The protection feature turns off the controller when an overvoltage condition is detected and then waits until the overvoltage condition is cleared before resuming normal operation.

Applications of the MIC23155YMT-TR include:

• Industrial control systems
• Automotive power supply products
• Computer peripheral power supplies
• Consumer electronics

In summary, the MIC23155YMT-TR is an ideal solution for applications requiring multiple voltage regulation points from a single supply. It features integrated power switches with low on-resistance and a wide range of adjustable operating frequencies for high efficiency, and integrated logic for input and output voltage regulation and overvoltage protection to ensure reliable performance.

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