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FPF1103 Description
FPF1103 Description
The FPF1103 is a high-side power switch from onsemi, designed for general-purpose applications. It features a maximum output current of 1.2A and operates within a load voltage range of 1.2V to 4V. This device is part of the IntelliMAX™ series and is housed in a 4-lead WLCSP package, which is ideal for surface-mount applications. The FPF1103 has a typical on-state resistance (Rds On) of 35mOhm, ensuring efficient power delivery with minimal power loss. The switch is controlled by a simple on/off interface, making it easy to integrate into various electronic systems. Despite its robust performance, the FPF1103 is classified as obsolete, indicating that it may no longer be in active production but remains a viable option for existing designs.
FPF1103 Features
- High-Side Configuration: The FPF1103 is designed with a high-side output configuration, which is advantageous for applications requiring a common ground connection and enhanced safety features.
- Slew Rate Controlled: This feature ensures that the switch can manage voltage transitions smoothly, reducing the risk of voltage spikes and improving overall system reliability.
- No Supply Voltage Required: The FPF1103 does not require an external supply voltage (Vcc/Vdd), simplifying the power management aspect of the design.
- Low On-State Resistance: With a typical Rds On of 35mOhm, the FPF1103 minimizes power dissipation, making it suitable for applications where efficiency is critical.
- Moisture Sensitivity Level 1: The device has a moisture sensitivity level of 1, indicating that it is not affected by moisture, which is beneficial for applications in humid environments.
- Compliance with REACH: The FPF1103 is REACH unaffected, ensuring compliance with environmental regulations and making it suitable for global markets.
- General-Purpose Switch Type: This switch is versatile and can be used in a wide range of applications, from consumer electronics to industrial systems.
FPF1103 Applications
The FPF1103 is well-suited for applications requiring efficient power distribution and control. Its high-side configuration and low on-state resistance make it ideal for:
- Consumer Electronics: Use in portable devices such as smartphones, tablets, and laptops where power efficiency and compact design are crucial.
- Industrial Systems: Suitable for controlling power to various components in industrial equipment, ensuring reliable operation and minimizing power loss.
- Automotive Electronics: Ideal for applications within vehicles where space is limited and power efficiency is essential.
- Medical Devices: Applicable in medical equipment where reliability and safety are paramount, and the high-side configuration can provide enhanced protection.
Conclusion of FPF1103
The FPF1103 from onsemi is a robust power switch with a high-side configuration and a slew rate-controlled feature, making it suitable for a wide range of applications. Its low on-state resistance ensures efficient power delivery, while its moisture sensitivity level of 1 and REACH compliance make it suitable for various environments and markets. Although the FPF1103 is classified as obsolete, it remains a viable option for existing designs and can provide reliable performance in consumer electronics, industrial systems, automotive electronics, and medical devices.



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