MIC49150-1.2WR

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The MIC49150-1.2WR is a linear voltage regulator that belongs to power management integrated circuits (PMIC). It is ideal for a wide range of applications, including positive and negative supply regulators, on-card switching regulators, and active power factor correction (PFC).

It is a ‘pin compatible’ successor to the popular MIC49150-1.2W, offering a wider input voltage range for better efficiency, wider output voltage ranges and improved EMI performance. It also features supply current monitoring and thermal protection features, improving system reliability.

Application Field:

The MIC49150-1.2WR is widely used in military, medical and industrial applications, where precision voltage regulation is required. The device can supply isolated power for FPGAs, ASICs, high power RF modules, integrated circuits, microprocessors, and other electronics where low-noise and high efficiency are desired.

The device can also be used in high-end linear voltage regulator applications that require low power, high frequency, high efficiency, and high reliability. It can also be used in multi-output converters and buck-mode supply designs.

Working Principle:

The MIC49150-1.2WR linear voltage regulator operates from a wide range of input voltages, from 4.5V to 48V. It provides a precise, adjustable output voltage from 0.8V to 15V. Its internal MOSFET switch allows the device to deliver up to 1.2 Amps output current. The device is capable of providing up to 130mV peak-to-peak noise at full load with a typical power efficiency of greater than 90%.

The device includes several advanced protection features that provide improved system reliability. It includes a thermal shutdown circuit and load current monitor with an adjustable warning level, allowing the system to be tailored to specific applications and protect it from overloading. It also includes a logic-controlled shutdown input (EN) and a logic-controlled enable input (EN).

In summary, the MIC49150-1.2WR is a linear voltage regulator, specifically designed for applications that require precise, adjustable output voltage, low noise, high efficiency, and high reliability. It belongs to the PMIC - Voltage Regulators - Linear category and is applicable to military, medical, and industrial applications.

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