MIC49150-1.8YMM

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The MIC49150-1.8YMM is a high-accuracy, low-power linear voltage regulator, a type of Power Management Integrated Circuit (PMIC). It is typically employed as a voltage source in order to provide a clean and stable voltage to other components in the system. Voltage regulation is achieved through a combination of a low-noise linear regulator circuit, a bandgap reference, and an error amplifier. The MIC49150-1.8YMM is designed for 15V to 30V input voltage and offers two output options: 1.8V and 0.9V. It has a low-noise voltage reference, low output voltage ripple and excellent Transient Response Time (TRT) capability, which makes it especially suitable for demanding power supply applications for consumer or industrial electronic systems. The device is used in a wide range of applications, including consumer electronics, instrumentation systems, networking and communication systems, medical equipment, and automotive applications. Specifically, it is suitable for powering low-noise pre-amps, analog signal processing and audio systems, FPGAs and ASICs, and low-power embedded processors. Additionally, its high accuracy, low-noise output, and low-power dissipation make it an ideal choice for battery-powered devices.The basic principle of operation of the MIC49150-1.8YMM is as follows. The power supply input is applied to an internal Start-Up Circuit and a Resonant Power Switcher (RPS). The Start-Up Circuit enables the device to start reliably and provides over-current protection. The RPS supplies power to the error amplifier and bandgap circuit, and also provides power to the output stage, which produces the regulated output voltage. The error amplifier senses the output of the bandgap reference and the output voltage, and adjusts the duty cycle of the RPS in order to maintain a constant output voltage.In addition, the MIC49150-1.8YMM offers a variety of features to enhance system performance, reliability, and convenience. It has a built-in high-accuracy voltage reference, over-current protection, soft start-up/ shut down, thermal shutdown protection, as well as several additional features to simplify system development. The MIC49150-1.8YMM is available in a 16-pin ESOP package and is specified over the extended -40°C to +125°C temperature range. It is RoHS compliant and is available in production quantities. To summarize, the MIC49150-1.8YMM is a linear voltage regulator that is designed for input voltages between 15V to 30V and offers two output options: 1.8V and 0.9V. It provides excellent accuracy, low-noise output, low power dissipation, and a number of features to enhance system performance. It is suitable for a wide range of applications, including consumer electronics, instrumentation systems, networking and communications systems, medical equipment, automotive applications, battery-powered devices and more.

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