X4643V8-4.5A

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The X4643V8-4.5A is a versatile power management IC (PMIC) from National Semiconductor. It promises superior performance and reliability in a diverse range of applications.

The X4643V8-4.5A, which falls into the category of PMIC Supervisors, is a low dropout linear regulator that provides regulated power for a variety of applications. The device is typically used to deliver outputs ranging from +2.5V to +3.3V, and is capable of delivering up to 750mA of continuous output current. It offers excellent transient response characteristics, ultra-low dropout (LOD) voltage, and low noise operation.

Among its many features, the X4643V8-4.5A has a built-in power-on reset (POR) circuit, a watchdog timer, and a supply voltage monitor (SVM). The POR circuit is used to initiate a system reset whenever the power supply fails or is interrupted. The watchdog timer is used to monitor system performance and detect any faults. The SVM is used to monitor the input voltage levels and alert the system when the voltage levels exceed a predetermined limit.

The X4643V8-4.5A also contains various protection features. It has built-in overvoltage, overcurrent, and thermal protection, as well as fuse (short-circuit) protection functions. It also has a programmable soft-start function that prevents inrush current during startup. All these features make the X4643V8-4.5A an ideal choice for applications that demand reliability and protection.

The X4643V8-4.5A is a versatile power management IC and offers a wide range of applications. It is ideally suited for systems that require reliable power regulation and protection, such as industrial and embedded applications, as well as computers and telecommunications systems. It is also suitable for automotive, battery-powered, and medical applications.

In summary, the X4643V8-4.5A is a very capable PMIC supervisor that provides reliable power regulation and protection in a wide range of applications. It features built-in protection circuits, a POR circuit, a watchdog timer, and a supply voltage monitor, as well as various other protection features. This makes the device an ideal choice for embedded and industrial applications, as well as computers and telecommunications systems.

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