LM3668SDX-3.3/NOPB

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The LM3668SDX-3.3/NOPB is an integrated circuit (IC) designed and manufactured by Texas Instruments for use as a power management integrated circuit (PMIC) and voltage regulator. The device is part of the Texas Instruments family of voltage regulators, which includes both DC and AC regulators. This device is a DC DC switching regulator and is capable of handling a variety of inputs and converting them to a regulated voltage.

The LM3668SDX-3.3/NOPB is designed and optimized for portable applications, including smartphones, tablets, and other handheld devices. The device is based on a Buck topology, meaning that it is configured to provide a regulated output voltage while drawing power from an input supply. The device features an internal high-efficiency, low-dropout voltage regulator, allowing it to produce a regulated output voltage with minimal power loss. Additionally, the device features a maximum output current of 3.3A and an adjustable operating frequency, allowing for flexibility of operation.

The LM3668SDX-3.3/NOPB utilizes synchronous rectification, a process by which switching devices are used to convert the input AC or DC power into a pulsing form that can be efficiently converted to a regulated voltage. During the rectification process, the switching device opens and closes to transfer energy from the input source to the output stage. The device is also capable of supporting multiple types of inputs, including USB ports, batteries, and AC-DC adapters up to 32V.

The LM3668SDX-3.3/NOPB also features a wide range of protections, designed to enhance its longevity and improve operation. These protections include under voltage lockout (UVLO), short-circuit protection, over current protection (OCP), and thermal overload protection (TOP). These features are designed to ensure that the device is protected from damage or malfunction caused by unexpected or external conditions.

In addition to its power management and voltage regulation capabilities, the LM3668SDX-3.3/NOPB also features a number of other features. This includes an adjustable power-good indicator, an adjustable soft-start feature, an adjustable frequency operation, and an adjustable phase-lock loop (PLL) control that allows for synchronizing operation with an external clock signal.

Overall, the LM3668SDX-3.3/NOPB is an advanced IC designed to provide power management and voltage regulation solutions in a variety of portable devices. The device utilizes synchronous rectification and features a range of protections, ensuring reliable operation. Additionally, the device features a variety of additional features, allowing for flexibility of operation and improved protection.

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