LX8385A-00CP

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LX8385A-00CP is a high-frequency step-down switching regulator with multiple protection functions, which is mainly used in the field of power management integrated circuit (PMIC). It belongs to the category of voltage regulators and linear, specifically designed for different applications. As well as providing high-efficiency, it also provides a variety of protection functions, such as short-circuit protection, over-current protection, over-voltage protection and others.

The LX8385A-00CP can be used to regulate output voltage during the range of 1.8V to 5.5V, while providing up to 1A of steady current output. It also has an adjustable output voltage range of 0.8V to 5.5V, with a wide input voltage range from 1.8V to 5.5V. It also provides low standby current of 1.2µA, allowing it to perform under power conservation conditions.

The LX8385A-00CP isn’t just focused on delivering high efficiency, but also protection. It has built-in protection or fault handling functions, such as short-circuit protection, over-current protection, over-voltage protection, under-voltage protection, over-temperature protection, low clock frequency protection, and reverse current limiting protection.

The LX8385A-00CP have an adjustable frequency range from 300KHz to 2MHz, which is adjustable by changing the output voltage. It is also equipped with a power good signal (PG) function, which will indicate the peak current from FOX (direct mount of an external diode, no clamp required). The LX8385A-00CP can offer up to 95% of peak efficiency, allowing it to maintain high performance without any extra external components.

The working principle of LX8385A-00CP is based on the pulse width modulation (PWM) and the current-mode control (CMC). With this regulator, voltage can be adjusted by changing the duty-cycle of the PWM signal. To accurately control the output voltage, current mode control (CMC) and a slow start-up regulator is used. A load switch is then used to reduce the inrush current and a fast transient regulator is used to reduce the output voltage deviation.

The LX8385A-00CP is suitable for applications where a stable power supply and a wide voltage range are required, such as LED display screen, mobile phones, PDAs, consumer electronics and mobile gaming devices. It has a wide range of applications in fields such as consumer, industrial and automotive electronics.

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