PX1117-33 Power Driver Chip

SKU PX1117-33 Category

PX1117-33 is a low dropout (LDO) three-terminal regulator with a dropout of 1.3V at 1A load current. PX1117-33 features a very low standby current 2mA. One fixed output voltage of 3.3V.

PX1117-33 offers thermal shut down and current limit functions, to assure the stability of chip and power system. Output voltage accuracy within±2%.

PX1117-33 is available in SOT223 power package.


  •   Maximum output current: 1A
  •   Maximum input voltage: 20V
  •   Line regulation: 0.05%/V (typ.)
  •   Standby current: 2mA (typ.)
  •   Load regulation: 8mV (typ.)



  •   Anywhere an LDO is needed
  •   Monitors and TV’s
  •   Point of Load
  •   ADSL Modem
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