LP87332DRHDR

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The LP87332DRHDR is an integrated circuit (IC) designed mainly for voltage regulation applications. It is a low-voltage, low-noise, precision low-side or Buck- and boost-regulator for single-cell Li-Ion battery-powered systems. It features high performance always-on voltage regulation, as well as fast transient responses. The LP87332DRHDR is available in an LQFN-14 3x3x0.8mm, 0.4mm pin spacing package.

The LP87332DRHDR has a wide range of potential applications, such as LED drivers, audio amplifiers, power converters, and automotive systems. As a linear and switched regulator, it is suitable for devices which require constant and reliable current, such as wireless communication circuitry and battery charging systems.

The LP87332DRHDR operates as a low-side linear regulator, providing a regulated output through its Error Amplifier (EA). The EA monitors the absolute difference between the nominal output and the actual output. If there is a discrepancy, the EA adjusts the voltage applied to the linear regulator, to keep the output voltage within the specified range. This type of regulator is called a linear regulator, since it operates linearly according to the error signal. For higher efficiency, the LP87332DRHDR can be switched between low-side and high-side mode, depending on output demands and operating temperature.

The LP87332DRHDR is ideal as a stand-alone solution for voltage regulation tasks in portable electronic devices. Its fast transient response ensures a continuous and constant output voltage even when the current draw is changing. It requires no external components for voltage setting and has built-in functions for activating/deactivating the output voltage, as well as a low-voltage lockout to ensure proper operation. Additionally it is complemented with short-circuit and over-current protection.

In summary, the LP87332DRHDR is a linear and switched regulator integrated circuit. It offers fast transient response and superior accuracy. Its built-in safety features, combined with its small size and high efficiency, make it an ideal choice for portable electronics applications, such as LED drivers, audio amplifiers, power converters, automotive systems, and battery charging systems.

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