XR76117EL-F

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XR76117EL-F is a DC DC switching regulator, which belongs to the Power Management Integrated Circuit (PMIC) family. It is designed to convert an input supply voltage to the desired voltage. It provides a constant output voltage and current. The XR76117EL-F supports several different operating modes, such as Step-up, Step-down, Buck-Boost, Buck-Boost plus, Inverting and High-side Buck-Boost modes. The XR76117EL-F features wide input voltage range, low current consumption and an internal power-good signal to provide feedback of output regulation.

The XR76117EL-F can be used for applications such as portable computer, set-top box, gaming consoles, and professional audio systems. It is mainly used for simple, highly efficient power supplies of up to 20W output power. It can also be used for more complex solutions of double and triple output voltage systems, power factor correction (PFC), or active clamp forwards converters.

The XR76117EL-F consists of an input voltage regulator, feedback and feedback fault protection, current limiter, and a gate driver stage with gate output delay. The voltage regulation is achieved by a fixed frequency switching controller which responds quickly to changes in the output load. The current limit is designed to protect the switching converter from overloading. The gate driver stage has a thermal protection feature that shuts down the gate driver output when the temperature exceeds a selected limit. The gate delay feature is designed to minimize the voltage overshoot and minimize audible transients.

The XR76117EL-F also features a soft-start circuit that ensures a controlled power-up sequence of the regulator output. During the soft-start period, the switching frequency is gradually increased from a low value to its final operating frequency. This results in a reduced inrush current at startup, allowing the regulator to be used with sensitive loads. The device has a wide operating temperature range from -40°C to +105°C and operates from a 5V supply with a maximum output voltage of 20W.

In summary, the XR76117EL-F is a fast switching DC DC switching regulator that provides superior performance in a variety of applications. It provides fast transient response, wide input voltage range, low quiescent current and a soft start feature. It is designed to be used with sensitive loads and is protected against current overloads. The XR76117EL-F can be easily integrated into a wide range of applications, such as portable computing, set-top box, and professional audio systems.

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