AP2281-1WG-7

Overview

The AP2281-1WG-7 is a single-channel high-side load switch from Diodes Incorporated, designed for power distribution in portable and consumer electronics. It operates within an input voltage range of 1.5 V to 6 V and supports a continuous output current of 2 A. The device features a maximum on-resistance of 280 mΩ, with typical rise and fall times of 1 μs each. It is housed in a compact SOT-26-6 surface-mount package and functions reliably across an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrated high-side switching capability optimized for low on-resistance performance
• Fast switching dynamics with microsecond-level rise and fall times
• Built-in protection mechanisms against overcurrent, thermal overload, and reverse current conditions
• Low quiescent current consumption during disabled states to preserve battery life

Applications

• Portable computing devices such as laptops and tablets
• Consumer electronic equipment requiring efficient power management
• Telecommunication systems utilizing hot-pluggable interfaces
• Set-top boxes and digital media receivers
• General-purpose power distribution in embedded systems

Procurement Notes

Verify the specific suffix 'WG' against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure that the ordering information matches the exact part number variant required for your design, as suffixes may indicate differences in packaging or testing criteria without altering the core electrical function.

Selection Notes

Select this component when a robust, single-channel load switch is needed for voltages up to 6 V. The 280 mΩ on-resistance makes it suitable for moderate current applications where efficiency and thermal performance are balanced. Consider the SOT-26-6 package size for space-constrained PCB layouts and verify compatibility with system ground references and enable signal logic levels.

Part Context

This part belongs to the AP2281 series of load switches, which are engineered for USB and general power distribution applications. The series offers various configurations to meet different current and resistance requirements. The AP2281-1WG-7 specifically provides a balance of speed and protection features, fitting into Diodes Incorporated's portfolio of analog and power solutions for computing and consumer markets.

Replacement Considerations

Consult the official Diodes Incorporated cross-reference guide for verified substitutes. Direct replacements must match the 2 A current rating, 6 V max voltage, and SOT-26-6 package. Verify pinout compatibility and electrical parameters before substitution to ensure system integrity.