Tutorial: L4981A / L4981B
Regulates, converts or monitors a circuit’s power supply.
Power supplies
Quick documentation & first test preparation
- Identify component L4981A and its package.
- Check input range, output voltage and maximum current.
- Use the external components and layout recommended by the manufacturer.
- Consult the application circuit in the linked documentation before testing.
L4981A
Power Factor Corrector, Fixed Frequency Average Current Mode, DIP-20/SOIC-20
- Power Factor Corrector, Fixed Frequency Average Current Mode, DIP-20/SOIC-20
- 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.
L4981B
Power Factor Corrector, Line Modulated Frequency Average Current Mode, DIP-20/SOIC-20
- Power Factor Corrector, Line Modulated Frequency Average Current Mode, DIP-20/SOIC-20
- 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.
Inputs and outputs must match the function described in the selected reference’s documentation.