LP4951CMX

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LP4951CMX is a Linear Voltage Regulator which belongs to the category of Power Management Integrated Circuit (PMIC). It is designed with a voltage output of 2.5 V - 5.5 V, an adjustable voltage setting, current limit and thermal shutdown protection. This regulator is ideal for applications that need high precision and reliable voltage control, such as audio/video equipments, automotive infotainment systems, telecommunication systems and other portable electronic products.

LP4951CMX consists of low-dropout voltage regulator, over-current protection and thermal shutdown circuits. It can provide up to 1 A output current with low dropout voltage. The 1.5 us Settling Time and the Load Regulation A of 0.3% allows for high precision and a stable voltage output. It also features Low Quiescent Current and Low Temperature Coefficient of Voltage. There is also an optional shutdown pin, which can turn off the output in cases of over-temperature or over-current protection.

The working principle of LP4951CMX is to sense the input voltage supplied by the power source and regulate it to the desired output voltage, while providing over-current protection in cases of surge or short circuit. It also provides thermal shutdown protection in cases of over-temperature. The device comprises of a low-dropout regulator, an over-current sensing network and a thermal sensing network. The input is applied to the low-dropout regulator, which then regulates the voltage to the required output voltage. The output voltage is also monitored for over-current and/or over-temperature conditions, and if a fault is detected, the over-current/temperature sensing network will shut down the output voltage to prevent damage to the device.

LP4951CMX is suitable for applications such as audio/video equipments, automotive infotainment systems, telecommunication systems and other portable electronics products. It is also suitable for applications requiring a high precision voltage control and reliable power delivery. This device is a preferred choice for low-lopsided, current-rich and temperature-sensitive applications.

In conclusion, LP4951CMX is a linear Voltage Regulator belonging to the Power Management Integrated Circuit (PMIC) category. It is designed with low-dropout voltage regulator, over-current protection and thermal shutdown circuits. It is suitable for low-lopsided, current-rich and temperature-sensitive applications and can provide up to 1 A output current with low dropout voltage. It offers a 1.5 us Settling Time and a Load Regulation A of 0.3%.

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