FAN53526UC88X

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FAN53526UC88X Application Field and Working Principle

FAN53526UC88X is a DC-DC switching regulator with integrated buck, boost and inverting components designed to provide configurable and efficient power conversion in a wide range of applications. It is a monolithic integrated circuit embedded within a range of package options, which are optimized for Board Area and Power Dissipation. It works by converting DC inputs, such as batteries and solar panels, into a desired level of DC output voltage.

Application Field

FAN53526UC88X is ideally suited for ultra low power applications, including industrial and consumer portable devices such as cell phones, laptops and tablet computers. The device is also suitable for powering Low Power Radio Frequency (RF) transmit and receive circuitry, as well as telecom and wireless infrastructure and data center applications.

The device is also suitable for a variety of automotive and medical applications, including medical diagnostic and monitoring equipment, and provides cost-effective, efficient and high-performance power conversion.

Working Principle

The FAN53526UC88X is a configurable two phase DC-DC buck and boost regulator. The integrated two-phase feature allows for efficient, low-noise and low-ripple operation. The device also incorporates a programmable voltage detector, allowing for accurate and repeatable output voltage levels.

Internally, the device contains pre-programmed regulator components, designed to maximize efficiency. The device features a configurable linear-transconductance amplifier to provide accurate current limit protection and an over-voltage latch to protect the system from excessive output voltage levels. The device also includes a full-bridge MOSFET driver.

The FAN53526UC88X has a wide input voltage range and is capable of providing a regulated output voltage of up to 30V. It has a 1.5 MHz fixed or programmable switching frequency and offers programmable soft-start and current-sense functions. It supports synchronous buck and boost operation with up to 4A of continuous output current.

The device also features a built-in temperature monitoring system which will shut down the IC in case of an over-temperature condition. All of these features make the FAN53526UC88X a reliable, robust and cost-effective DC-DC switching regulator.

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