XCL101A341ER-G

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DC DC converters are power electronic devices used to convert electricity from one DC voltage source to a different DC voltage level or to multiple loads that require different DC voltages. XCL101A341ER-G is one of such converters. This paper will discuss its application field and working principle.

The XCL101A341ER-G is a low-cost wide input voltage range DC DC step-down converter offering high efficiency, small size, and up to 120 mA of output current. It supports a wide input voltage input range of 4.5 V to 36 V, making it well suited for battery-operated systems and applications ranging from automotive, industrial, and healthcare. The converter features an adjustable output voltage range from 0.8 V to 17 V and is available in a compact 3 mm x 3.5 mm footprint making it suitable for space constrained applications. It provides a built-in current limit circuit, power saving mode, reverse current blocking, and adjustable soft start.

The working principle of this DC DC converter is based on the use of an integrated switching regulator. In a switch mode power supply, a switch is used to control the flow of power from the input source to the output load. This switch is typically a transistor, which can be controlled by a signal from a controller. When the switch is closed, current flows through the primary winding of a transformer. The transformer is used to isolate the input power from the output and to convert the input voltage to the desired output voltage. The transformer also reduces the size of the components needed in the system and offers high efficiency. The output voltage is then regulated by the controller, which adjusts the duty cycle of the switch to provide a constant output voltage.

The XCL101A341ER-G board features an internal switching regulator that is controlled by a Pulse Width Modulation (PWM) controller. The switching frequency is adjustable from 500 Khz to 1 Mhz. An adjustable output soft-start delay is also included. It doesn\'t require any external components for protection and its operation is reliable and low standby power. The non-isolated buck converter delivers a constant output current with maximum power dissipation of up to 120 mA, and the adjustable output voltage range is limited to 0.8 V to 17 V. Furthermore, it has both input over voltage protection and output over voltage protection.

The XCL101A341ER-G is an attractive choice for many applications where robustness and reliability are key factors, including automotive, industrial, and medical devices. It is a well-suited solution for systems requiring wide voltage input and stable, tightly regulated output. The small size of the board and its built-in features offer an attractive feature set for cost-sensitive applications. The long life, high efficiency, and low standby power make XCL101A341ER-G an ideal choice for energy-restricted applications.

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