MIC3775-3.0BMM

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The MIC3775-3.0BMM from Micrel, Inc. is a high-performance and cost-effective 3A adjustable buck switching regulator that provides an all-in-one solution to fit a variety of power management applications. The MIC3775-3.0BMM can be configured to provide adjustable output voltages down to 0.6V and provides a precise voltage regulation system for power conversion in the signal path to improve overall system performance. By combining precise voltage regulation with efficient power cycle management, this device is perfect for applications such as industrial systems, communications equipment, and consumer products.

The MIC3775-3.0BMM is a type of linear regulator that manages power delivery to a particular electrical device or system. The output voltage is adjustable down to 0.6V to deliver a maximum of 3A of power. At the heart of the MIC3775-3.0BMM is an integrated pulse width modulation (PWM) controller which provides cycle-by-cycle current limit protection, programmable soft start, adjustable output voltage and short circuit protection. The internal circuitry of the MIC3775-3.0BMM is configured to produce a regulated output voltage no matter what the input voltage range may be. The output voltage is adjustable to the desired voltage level via the use of an external resistor divider.

The onboard switching FET utilizes a synchronous rectifying technique to maximize efficiency. To reduce power consumption and voltage drop across the FET, the MIC3775-3.0BMM also includes an optional integrated low-resistance Schottky diode. The diode allows the device to terminate and restart operations within 40μs and reduces FET power losses. In addition, the MIC3775-3.0BMM offers additional features such as over-voltage and over-current protection and an enable pin, to allow advanced control and monitoring of the device.

The MIC3775-3.0BMM also features an integrated power-good indicator, allowing for more efficient power management and fault detection. In addition, the MIC3775-3.0BMM has stand-by and thermal shutdown functions. The thermal shutdown prevents the device from overheating under high-current operation and the stand-by function allow the regulator to shut down operations when not in use and thus increase system savings. For maximum flexibility, the MIC3775-3.0BMM is available in 16-pin, space-saving standard packages.

The MIC3775-3.0BMM offers an attractive solution for a variety of low voltage power applications requiring a precise voltage regulation system. This adjustable ouput buck switching regulator achieves efficiency levels of up to 93%, making it an ideal choice for modern power-sensitive products. By incorporating wide input range, wide output adjustment range and outstanding thermal performance, the MIC3775-3.0BMM provides a cost-effective, reliable solution for a variety of power management applications.

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