Tutorial: SIC437A / SIC431A

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

SIC437A / SIC431A

Tutorial / documentation

Power supplies

Quick documentation & first test preparation

  1. Identify component SIC437A 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.

SIC437A

12A Step-Down DC/DC-Regulator, 300kHz-1MHz, 3..24Vin, 0.6..21.6Vout

  • 12A Step-Down DC/DC-Regulator, 300kHz-1MHz, 3..24Vin, 0.6..21.6Vout
  • 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

SIC431A

24A Step-Down DC/DC-Regulator, 300kHz-1MHz, 3..24Vin, 0.6..21.6Vout

  • 24A Step-Down DC/DC-Regulator, 300kHz-1MHz, 3..24Vin, 0.6..21.6Vout
  • 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.