Description

The AP221448 is a 17mΩ, 2.5A, load switch that switches a power rail ranging from 1.0V to 5.5V. It contains protection features for enhanced operation and reliability.

The product is packaged in a small 1.6mm x 1.0mm package. See Package Outline Dimensions for details.

Feature(s)

Operating Voltage: 2.5V to 5.5V
Operating Temperature: -40°C to 85°C
6mm x 1.0mm x 0.55mm U-DFN1610-8 (Type AX) Package
17mΩ RDS_ON While Supporting 2.5A
Discharges Load When Off
Two Overcurrent Protection Modes
- Short-Circuit Current Limit
- Active Current Limit
Overtemperature Protection
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/

Application(s)

Smartphones
Tablets
Notebooks

Specifications & Technical Documents

Product Parameters

Type	Load Switch
AEC Qualified	No
Compliance (Only Automotive Supports PPAP)	Standard
Quiescent Current Typ (μA)	25
Maximum Continuous Output Current (A)	2.5
Channels	1
Enable Logic	Active High
Minimum Operating Voltage (V)	2.5
Maximum Operating Voltage (V)	5.5
Output Discharge	Yes
Overtemperature Protection	Yes
UL Certificate	NO

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN #	Issue Date	Implementation Date	Subject
PCN-2770	2025-10-30	2025-10-30	Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products

AP221448