Power Switch ICs – Power Distribution Integ. Load Switch

FDC6331L – 2.8A P-Channel Power Distribution Switch – onsemi

Optimize power management in compact designs with the onsemi FDC6331L power distribution switch. This high-efficiency load driver delivers robust 2.8A current handling with ultra-low 34mΩ Rds On, ensuring minimal voltage drop and thermal loss. Ideal for space-constrained applications requiring reliable power switching.

Key Features

• Current Handling: 2.8A continuous output
• Ultra-Low Resistance: 34mΩ typical Rds On
• Voltage Range: 2.5V–8V load compatibility
• Thermal Resilience: -55°C to +150°C operating temperature (TJ)
• Compact Footprint: SuperSOT™-6 / TSOT-23-6 surface-mount package
• Control Interface: Non-inverting On/Off logic

Technical Specifications

This single-channel P-Channel MOSFET switch features a high-side output configuration with 1:1 input-to-output ratio. The non-inverting input accepts standard logic signals for straightforward integration. Housed in an industry-standard SOT-23-6 Thin package, it provides ESD protection and thermal stability for demanding environments.

Typical Applications

• USB power switching and hot-swap protection
• Portable device power management (tablets, handheld scanners)
• Battery-charging circuit control
• Peripheral load switching in embedded systems
• Industrial I/O module power gating

About onsemi

onsemi (ON Semiconductor) is a global leader in power management and sensor technologies, renowned for innovative solutions that enhance energy efficiency across industries. With over 25 years of semiconductor expertise, they drive advancements in automotive, industrial automation, and IoT applications through rigorous quality standards.

The company’s commitment to reliability is demonstrated by MIL-STD-750 certified manufacturing processes and AEC-Q100 qualified automotive components. onsemi’s extensive IP portfolio and vertically integrated production ensure consistent performance in critical power electronics, making them a preferred partner for engineers worldwide.

About Power Distribution Switches

Power distribution switches are essential integrated circuits that manage voltage delivery to subsystems, providing critical protection against overloads, short circuits, and inrush currents. They function as electronic “gatekeepers,” enabling safe power sequencing and reducing component stress through precise current limiting and thermal shutdown capabilities.

Modern applications demand compact, high-efficiency switches like the FDC6331L to minimize board space while maximizing power density. These ICs replace discrete MOSFET solutions with integrated protection features, simplifying designs in consumer electronics, medical devices, and automotive modules where space and reliability are paramount.

Packaging Options

Available in Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® formats for automated assembly compatibility. Specify preferred packaging during checkout.

Frequently Asked Questions

Q: What is the maximum load voltage supported?
A: The FDC6331L supports loads from 2.5V to 8V.

Q: Is this device suitable for automotive applications?
A: While industrial-grade, verify specific AEC-Q100 requirements. Consult the PCX-hosted datasheet for derating guidelines.

Q: How does the non-inverting input function?
A: A HIGH signal activates the switch (conducting state), while LOW turns it off – matching standard logic expectations.

Q: Can this IC handle inrush currents?
A: Yes, integrated slew rate control minimizes inrush during turn-on. Thermal shutdown protects against sustained overloads.

Q: What advantages does P-Channel offer over N-Channel switches?
A: P-Channel devices simplify high-side switching by not requiring charge pumps for gate drive, reducing component count.

Q: Are evaluation boards available?
A: PCX offers development tools for onsemi products. Contact our technical support for availability.

Note: Product images are representational. Refer to datasheets for exact dimensions.

Ready to Integrate Reliable Power Control?

PCX guarantees authentic onsemi components with same-day shipping on stocked items. Our engineering support team assists with design integration and lifecycle management. Order FDC6331L today for guaranteed delivery!