FAN2503S26X

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The FAN2503S26X voltage regulators are among the highest performance linear regulators and are widely used in a variety of applications. The FAN2503S26X is an integrated step-down regulator that can deliver up to 120mA of current with an input voltage range of 1.8 to 26V. The FAN2503S26X is designed to provide high current and low noise while maintaining stability under a wide range of load conditions. The FAN2503S26X operates at a high switching frequency of up to 4MHz, allowing for fast response times and good power density.

The FAN2503S26X is primarily employed in various consumer electronics products, such as mobile phones and tablets, and industrial automation equipment, such as programmable logic controllers (PLCs). In these applications, the voltage regulator requires a stable output voltage in order to provide clean, reliable power for the electronics. The FAN2503S26X is also well-suited for automotive applications, where it can be used to maintain stable power to the electronics during frequent starts and stops.

The FAN2503S26X works by regulating the output voltage of its input. It consists of an internal power switch, a power MOSFET, and an adjustable voltage reference circuit. The power switch is controlled by an internal voltage comparator, which regulates the output voltage by turning the power switch on and off. The internal power MOSFET allows current to flow through the circuit and is used to regulate the output voltage. The adjustable voltage reference circuit is used to set the desired output voltage of the FAN2503S26X.

The adjustable voltage reference circuit consists of two internal resistors: a reference resistor and a feedback resistor. The reference resistor sets the voltage of the output voltage. The feedback resistor is used to adjust the output voltage. Adjusting the feedback resistor changes the voltage of the output in relation to the reference. The FAN2503S26X also includes an internal current limiting circuit, which will automatically shut down the power switch when the current reaches a maximum value.

The FAN2503S26X also includes a thermal shutdown circuit, which will protect the device from overheating if the internal temperature exceeds a certain limit. The FAN2503S26X can also be disabled manually via pin 3, allowing it to be used in high-side applications. The device also features under-voltage-lockout protection and reverse-current protection.

The FAN2503S26X is a high performance linear regulator, offering excellent performance and low noise. Its wide input voltage range, adjustable reference voltage, and current limiting features make it ideal for a variety of consumer electronics and automotive applications. The device is designed to provide stable and reliable power to the electronics without compromising efficiency and noise levels.

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