SC4524FSETRT Integrated Circuits (ICs)

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The SC4524FSETRT is a low-cost, low-noise, low-dropout DC to DC switching regulator, designed and manufactured by Synchronous Rectifier Corporation (SR). Combining a wide operating voltage range of up to 30V, with a very fast transient response and low dropout voltage, the SC4524FSETRT is ideal for applications where high performance and energy efficiency are paramount.

The device enables the user to seamlessly and accurately control their power input and output with a wide range of input voltage and current regulation. This is realized through its built-in high-frequency switching frequency, providing tiny adjustable high-frequency steps for regulator control and low, adjustable voltage drops.

The SC4524FSETRT also features a low-power-consumption idle mode, allowing it to automatically save power when the input and output are no longer needed. In addition, it has a wide range of built-in protection circuitry for fail-safe operation that includes over-current, over-temperature and under-voltage protection.

The SC4524FSETRT is suitable for use in a variety of applications, such as cellular phone base stations, notebook computers, STBs, portable power supplies, and camcorders. It is designed with ceramic capacitors and can handle an input voltage range up to 30V, with a maximum output voltage of 3.3V.

The SC4524FSETRT utilizes a switch-mode control loop that provides a constant output voltage, despite wide variations in line and load. It uses an external FM P-channel MOSFET as the power stage, with an internal enabling circuit that activates the circuit when the input voltage exceeds an adjustable threshold.

The device features an adjustable cycle-by-cycle current limit, which ensures that the output voltage is safely regulated and constant even under heavy loads. It also maintains good static and dynamic performance with a maximum full-load current of up to 700mA.

The SC4524FSETRT\'s fast transient response allows it to maintain a stable output voltage despite large load transients. The device is designed to operate over an extended temperature range of -40 to +85°C and is rated to maintain an accurate output voltage over this temperature range.

Overall, the SC4524FSETRT is an outstanding device designed to provide advanced power management, accuracy and efficiency in applications where high performance and energy efficiency are critical. Its extensive protection circuitry, fast transient response and low dropout voltage are all great reasons why the SC4524FSETRT is the ideal solution for a range of PMIC applications.

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