LM809 / LM810

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

Tutorial / documentation

Power supplies

Quick documentation & first test preparation

  1. Identify component LM809 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.

LM809

Microprocessor Reset (active-low) Circuit, SOT-23

  • Microprocessor Reset (active-low) Circuit, 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

LM810

Microprocessor Reset (active-high) Circuit, SOT-23

  • Microprocessor Reset (active-high) Circuit, 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