XC9272A09B4R-G

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The XC9272A09B4R-G is a high-performance DC-DC switching regulator designed especially for low-current Power Management applications. It is designed to provide power with low ripple noise while controlling the current draw from various sources, including DC battery power. This DC-DC switching regulator can be used as a stand-alone power source or as part of a larger power management system.

The XC9272A09B4R-G is a synchronous buck (step-down) converter with a wide input voltage range of up to 19V. It has a maximum output current of 2.5A and an output voltage range of 0.5-5V. The integrated constant frequency PWM controller with low EMI provides high efficiency, low noise and a wide range of control features. It features programmable frequency from 100kHz to 1MHz and allows for a wide range of current and voltage levels as well as soft start and current limit/limiting. It also features over-voltage protection, short circuit protection and thermal protection.

The XC9272A09B4R-G has an adjustable cyclic control circuit that allows for intermediate current and voltage settings, allowing higher output voltages to be achieved with the same voltage at the entry point. This feature allows for very accurate voltage control, reducing output voltage regulation error. It also has low output ripple and stable output current, making it suitable for precision applications.

The XC9272A09B4R-G also has an enable input that allows the user to determine when the regulator is enabled and disabled. The enable input allows the user to save power and allows for protection against over-current and over-voltage. The enable input can be used in conjunction with the voltage feedback loop for basic current control, allowing for the use of multiple batteries or other power sources.

The XC9272A09B4R-G is a very reliable device with a low quiescent current of only 5mA and high efficiency over a wide range of current settings and outputs. It is capable of providing an output current of up to 2.5A at 5V output, making it ideal for a wide range of applications such as mobile phones, PDAs, digital cameras, portable media players and other portable electronics.

In summary, the XC9272A09B4R-G is a high-performance DC-DC switching regulator designed especially for low-current Power Management applications. It is a synchronous buck converter with wide input voltage range and more accurate voltage control, allowing for the use of multiple power sources and providing protection against over-current and over-voltage. It also has a high efficiency and low quiescent current, making it suitable for precision applications. This DC-DC switching regulator can be used as a stand-alone power source or as part of a larger power management system.

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