FPF1104

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FPF1104 is a high-side, current-limiting, power distribution switch with an adjustable current limit that supports low-voltage loads. It is a member of Fairchild Semiconductor’s broad portfolio of intelligent power devices (IPD) and has been widely adopted in the power management industry.

FPF1104′s two independent power switches scope includes two-line switching and can be used in a wide range of applications, such as power management in consumer electronics, cellular phones, and other portable electronic devices. Moreover, it can be used in automotive systems and a wide range of industrial applications. It is suitable for cutting-edge products that require a high degree of reliability.

The FPF1104 is designed for both high current-carrying and low current-carrying capabilities. This allows for better power distribution under different power load demands. The FPF1104 provides both overload protection and thermal protection, and is optimized for high performance and low power consumption.

The power distribution switch consists of three parts which include a current-limited switching transistor, a current sensing/control circuit, and an overcurrent protection circuit. The current-limited switch controls current flow with a pin selectable current sense resistor. Then the sensed current is compared with the current limit voltage. If the sensed current is greater than the current limit voltage, the switch turns off to cut off the further current flow.

The second part of the device is a current sensing/control circuit that senses the current flowing through the load and adjusts the on-time of the switching transistor based on the current level. This helps maintain a constant current limit during the load transient period. The third part of the device is an overcurrent protection circuit. This circuit senses peak current and then activates the current limit circuit in a timely manner. The overcurrent protection circuit also measures the temperature sensed by the current limit voltage divider. If the temperature exceeds a certain limit, the overcurrent protection circuit will shut off the device.

The FPF1104 offers excellent power characteristics and high-frequency performance, making it suitable for high-speed applications. Additionally, the device features an internal charge pump, which eliminates the need for external components and reduces system cost. The FPF1104 is designed for easy implementation, which enables easy system integration and reduces time-to-market.

FPF1104 is a great choice for power distribution and load driving applications. It has many features that make it an ideal solution for applications that require a high degree of reliability, power efficiency, and cost savings. Its internal charge pump eliminates the need for external components and its low-power consumption reduces system power consumption. In addition, its adjustable current limit makes it suitable for a wide range of applications.

The FPF1104 is a high-side, current-limiting, power distribution switch that supports low-voltage loads and is designed for easy implementation with a wide range of applications. It features an adjustable current limit that optimizes power distribution and provides overload and thermal protection. The FPF1104 is an ideal solution for power management in consumer electronics, cellular phones, and other portable electronic devices, as well as automotive and industrial applications. With its low power consumption and high-frequency performance, it is a great choice for power distribution and load driving applications.

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