Low RON Load Switch with Overvoltage, Reverse Blocking Protection and Surge Protection


  • Wide Input voltage range: 3V to 23V
  • 30V Absolute Ratings at VIN and VOUT
  • Maximum 5A continuous current
  • Integrated FET with 30mΩ (Typ) RON
  • Wide Overvoltage threshold range
    • Fixed internal: 23V
    • Adjustable: 4V to 23V
  • Open-Drain power good indicator
  • Integrated protection
    • Thermal Shutdown
    • Under-Voltage Lockout (UVLO)
    • Overvoltage Lockout (OVLO)
    • VOUT to VIN Reverse Current Blocking
    • Over-current limiting
  • Surge and ESD Protection
    • IEC61000-4-5: ±90V for VIN
    • IEC61000-4-2: ±8KV Contact, ±15KV Air for VIN
    • HBM: ±2KV for all Pins
  • Safety approvals
    • UL 2367, file no. E515099-2021-03-30
    • IEC 62368-1, file no. DK-111033-A1-UL
  • Pb-free Package:
    • 15 Bump WLCSP 2.57mm x 1.57mm
    • RoHS and Green Compliant
  • -40°C to +85°C Temperature Range


  • Computers and Tablets
  • Mobile Internet Devices
  • Type-C Power Source Switch
  • Storage, DSLR and Portable Devices

Key Electrical Specifications

Vin(Min) Vin(Max) ON Resistance Max Current OVP Trip Point Package
3V 23V 30mΩ 5A Fixed: 23V 

Adj: 4V to 23V


Typical Application Diagram