GreenFET3™ Single N-Channel Integrated Power Switch

A 1 mm² power switch with charge pump, ramp control, output discharge, protection, and 4-pin package

The SLG59M1440V is designed for load switching applications. The part comes with one 40 mΩ 1.0 A rated MOSFET controlled by a single ON control pin. The MOSFET’s ramp rate is adjustable depending on the input current level of the ON pin. The product is packaged in an ultra-small 1.0 x 1.0 mm package.


  • Optimized for smartphone, notebook/tablet pc applications
  • 40 mΩ RDSON while supporting 1.0 A
  • Power supply/input voltage range: 2.5 V ≤ VD ≤ 5.5 V
  • Output voltage slew-rate control by resistor


  • Over-temperature protection
  • Output discharge circuitry
  • Sleep mode current (IDDOFF) in low µA range
  • Package 1.0 x 1.0 x 0.55 mm STDFN-4
STDFN-4 (1.0 x 1.0 mm)



Simulation Macromodels

Layout Guides


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