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Product Detailed Parameters
- Description：IC PWR SWITCH P-CHANNEL 1:1 6DFN
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：P-Channel
- Interface：On/Off
- Voltage - Load：1.5V ~ 6V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：2A
- Rds On (Typ)：80mOhm
- Input Type：Non-Inverting
- Features：Load Discharge, Slew Rate Controlled
- Fault Protection：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：U-DFN2018-6
- Package / Case：6-UFDFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The AP2281-3FMG-7 is a high-side load switch from Diodes Incorporated, designed for power distribution applications. It operates within a supply voltage range of 1.5 V to 6.0 V and supports an output current of 2 A. The device features a maximum on-resistance of 280 mOhms and includes protection mechanisms such as overtemperature shutdown, reverse current blocking, and UVLO. Packaged in a UDFN-6 surface-mount format, it functions with typical rise and fall times of 1 µs.
Feature Summary
- Integrated high-side switching capability for interface load control
- Built-in thermal protection and reverse current blocking
- Low on-resistance for efficient power distribution
- UVLO ensures stable operation during power transitions
Applications
- Portable electronic devices requiring power management
- Interface load switching in computing systems
- Power distribution networks in industrial equipment
Procurement Notes
Verify the specific package variant and tape-and-reel specifications against the official datasheet before ordering. Confirm that the UDFN-6 footprint matches your PCB layout requirements. Ensure environmental compliance documentation aligns with project standards. Cross-reference the manufacturer part number to avoid confusion with similar series components.
Selection Notes
Select this component when a compact, high-current load switch is needed for low-voltage systems. The 2 A rating and low Rds(on) make it suitable for powering peripheral interfaces. Consider the UDFN-6 package size for space-constrained designs. Verify that the 1.5 V minimum operating voltage meets your system's logic levels.
Part Context
This part belongs to the AP2281 series of power switches from Diodes Incorporated. The series offers various configurations for different current and voltage requirements. The AP2281-3FMG-7 specifically targets applications needing robust protection features in a small form factor, complementing the broader portfolio of load switches and power distribution ICs.
Replacement Considerations
Check for direct substitutes within the AP2281 family, such as the AP2281-3WG-7, which shares similar electrical characteristics but may differ in package type. Ensure any replacement maintains the same pinout and protection features to guarantee compatibility without redesign.
