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The AP22908 slew rate controlled load switch is a single P-channel MOSFET power switch designed for high-side load-switching applications. The MOSFET has a typical low RDS(ON) of 28mΩ at 3.6V, allowing increased load current handling capacity with a low forward voltage drop. The turn-on slew rate of the device is controlled internally to avoid inrush current.

The AP22908 load switch is designed to operate from 1.08V to 3.6V, making it ideal for 1.2V, 1.8V, 2.5V, 3.3V and 3.6V systems. The typical quiescent supply current is only 0.05μA. The AP22908 is available in the wafer level chip scale 4-pin, X1-WLB0909-4 0.5mm pitch and standard SOT26.


  • Mobile Device and Smart Phones
  • Portable Media Devices
  • Wearable Devices
  • Advanced Notebook, UMPC and MID
  • Portable Medical Devices
  • GPS and Navigation Equipment
  • Portable Instrumentation


  • Wide Input Voltage Range: 1.08V to 3.6V
  • Low On-Resistance:
  • 69mΩ Typical @1.2V
  • 41mΩ Typical @1.8V
  • 33mΩ Typical @2.5V
  • 28mΩ Typical @3.6V
  • High DC Current Capability up to 1.5A
  • Quick Discharging by Output Discharge Resistance
  • Ultra Low Quiescent Current 0.05μA
  • Active-High Control Pin
  • Minimum 0.9V VIH of ON
  • ESD Protection:
  • Human Body Model: 2kV
  • Charged Device Model: 1kV
  • Package:
  • X1-WLB0909-4 with Backside Laminate
  • 0.87mm x 0.87mm, 0.5mm Ball Pitch
  • Standard Green SOT26
  • Lead-Free Finish; 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-Q100/101/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/

Product Specifications

Product Parameters

Operating Voltage Range 1.08 to 3.6 V
Channels 1
Maximum Output Current 1.5 A
Typical Quiescent Current 0.05 µA
RDS(ON) 28, 40 mΩ
Operating Ambient Temperature Range -40°C  to  85°C °C
Output Turn-On Delay Time Typ 110
Output Turn-On Rise Time Typ 105

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Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AP22908CN4-7 Mouser Electronics Inc. 3000 9/25/2020 Buy Now United States
AP22908CN4-EVM Digi-Key Electronics 5 9/25/2020 Buy Now United States
AP22908CN4-EVM Mouser Electronics Inc. 5 9/25/2020 Buy Now United States
AP22908W6-EVM Digi-Key Electronics 5 9/25/2020 Buy Now United States