Tutorial: AP7381-28SA-7 / AP7381-33SA-7

Regulates, converts or monitors a circuit’s power supply.

AP7381-28SA-7 / AP7381-33SA-7

Tutorial / documentation

Power supplies

Quick documentation & first test preparation

  1. Identify component AP7381-28SA-7 and its package.
  2. Check input range, output voltage and maximum current.
  3. Use the external components and layout recommended by the manufacturer.
  4. Consult the application circuit in the linked documentation before testing.

AP7381-28SA-7

150mA Low Dropout Voltage Regulator, Fixed Output 2.8V, Wide Input Voltage Range 40V, SOT-23

  • 150mA Low Dropout Voltage Regulator, Fixed Output 2.8V, Wide Input Voltage Range 40V, SOT-23
  • Check input range, output voltage and maximum current.
  • Use the external components and layout recommended by the manufacturer.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

AP7381-33SA-7

150mA Low Dropout Voltage Regulator, Fixed Output 3.3V, Wide Input Voltage Range 40V, SOT-23

  • 150mA Low Dropout Voltage Regulator, Fixed Output 3.3V, Wide Input Voltage Range 40V, SOT-23
  • Check input range, output voltage and maximum current.
  • Use the external components and layout recommended by the manufacturer.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

Inputs and outputs must match the function described in the selected reference’s documentation.