Diodes Incorporated
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PI3PD22920 (Not Recommended for new design)

NRND = Not Recommended for New Design

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The PI3PD22920 is a small, ultra-low rON load switch with con- trolled turn on. The device contains a N-channel MOSFET that can operate over an input voltage range of 0.75 V to 3.6 V and switch currents up to 4-A. An integrated charge pump biases the NMOS switch in order to achieve a minimum switch ON resis- tance (rON). The switch is controlled by an on/off input (ON), which is capable of interfacing directly with low-voltage control signals.

The PI3PD22920 has a 1250Ω on-chip load resistor for quick out- put discharge when the switch is turned off.

The PI3D22920 has an internally controlled rise time in order to reduce inrush current. The PI3D22920 features a rise time of 880μS at 3.6V.

The PI3D22920 is available in an ultra-small, space-saving 8-pin CSP package and is characterized for operation over the free-air temperature range of –40°C to 85°C.


  • Integrated Load Switch
  • Input Voltage: 0.75-V to 3.6-V
  • Integrated Pass-FET rDSON=2mΩ (typ) at 3.6-V
  • Ultra-Low ON Resistance
    • rON = 5.3mΩ at V = IN 3.6V
    • rON = 5.4mΩ at VIN = 2.5 V
    • rON = 5.5mΩ at VIN = 1.8 V
    • rON = 5.8mΩ at VIN = 1.2 V
    • rON = 6.1mΩ at VIN = 1.0 V
    • rON = 7.3mΩ at VIN = 0.75 V
  • Ultra Small CSP-8 package
    • 0.9 mm x 1.9 mm, 0.5-mm Pitch
  • 4-A Maximum Continuous Switch Current
  • Shutdown Current 5.5-μA max Low Threshold Control Input
  • Controlled Slew Rate to Avoid Inrush Currents
  • Quick Output Discharge Transistor
  • ESD Performance Tested Per JESD 22
    • 8000-V Human-Body Model (A114-B, Class II) 
    • 1000-V Charged-Device Model (C101


  • Notebook / Netbook Computer
  • Tablet PC
  • PDAs / Smartphones
  • GPS Navigation Devices
  • MP3 Players

Product Specifications

Product Parameters

Channels 1
Enable Logic Active High
IEC 60950-1 CB -
Maximum Continuous Output Current 4
Maximum Current Limit -
Maximum Operating Voltage 3.6
Maximum Output Current 4
Minimum Operating Voltage (V) 0.75
OCP Flag -
OCP Output Latch Off -
Operating Ambient Temperature Range (°C) -40 to 85
Operating Voltage Range 0.75 to 3.6
Output Discharge -
Output Turn-On Delay Time Typ -
Output Turn-On Rise Time Typ -
Quiescent Current Typ (mA) 5
RDS(ON) 9.1
RDS(ON) (VIN = 5V) Typ 9.1
Typical Quiescent Current 14
UL Listed -

Technical Documents

Recommended Soldering Techniques