MIC4576-5.0WU

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PMIC - Voltage Regulators - DC DC Switching Regulators play an important role in providing stable power supply solutions for various electronic applications. Microchip\'s MIC4576-5.0WU is designed to provide such power solutions for these applications. It provides users with a highly efficient, low-cost, low-noise, and current-mode switching regulator solution that has wide input voltage range and wide output voltage range with fixed 5V output. It also features a low 40mA Quiescent Current (IQ) and 0.5V to 4.2V input voltage range.

The MIC4576-5.0WU is a synchronous step-down switching converter which provides a fixed 5V output voltage with current mode control using Pulse Width Modulation (PWM) technique. This PWM technique allows the converter to operate at a fixed frequency up to 400 kHz. Its internal circuitry includes an oscillator, a current-sense amplifier, linear power transistors, power MOSFETs, and a low-dropout Adjustable Current Regulator (ACR). The ACR is connected in series with the output voltage and acts as a current limiter. This component features high accuracy and low noise levels.

The MIC4576-5.0WU is designed to provide both cost-effective and highly efficient solutions for a wide range of applications. These applications can include portable and wireless devices, battery powered systems, laptop computers, LCD display panels, mobile phones, and Digital Video Recorders (DVRs). The wide input voltage range and wide output voltage range with a fixed 5V output make this switching regulator perfectly suitable for these applications.

In order to ensure safety and reliability, the MIC4576-5.0WU regulator also comes with over-current protection, over-voltage protection, under-voltage protection, over-temperature protection, and external current-sense compensation. The external current-sense compensation allows the user to adjust the power consumption of the regulator according to the specific application needs. In addition, the MIC4576-5.0WU is also RoHS compliant and comes with a reduced environmental footprint.

The MIC4576-5.0WU is designed for operation in a wide temperature range (-40°C to 125°C), making it perfect for operation in harsh environments. In addition, it also features a low input voltage protection (from 0.5V to 4.2V) allowing efficient operation even in low-voltage applications. Furthermore, the MIC4576-5.0WU features a high-efficiency switching design with a minimum external component count making it ideally suited for space-constrained applications.

The MIC4576-5.0WU is a highly integrated and cost-effective switched-mode power supply solution for various electronic applications. With its wide input voltage range and wide output voltage range with a fixed 5V output, this regulator brings superior performance and exceptional power savings in modern power applications.

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