Tutorial: R-78B1.2-2.0 / R-78B12-2.0

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

R-78B1.2-2.0 / R-78B12-2.0

Tutorial / documentation

Power supplies

Quick documentation & first test preparation

  1. Identify component R-78B1.2-2.0 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.

R-78B1.2-2.0

2A Step-Down DC/DC-Regulator, 4.75-32V input, 1.2V fixed Output Voltage, LM78xx replacement, -40°C to +85°C, SIP3

  • 2A Step-Down DC/DC-Regulator, 4.75-32V input, 1.2V fixed Output Voltage, LM78xx replacement, -40°C to +85°C, SIP3
  • 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

R-78B12-2.0

2A Step-Down DC/DC-Regulator, 15-32V input, 12V fixed Output Voltage, LM78xx replacement, -40°C to +85°C, SIP3

  • 2A Step-Down DC/DC-Regulator, 15-32V input, 12V fixed Output Voltage, LM78xx replacement, -40°C to +85°C, SIP3
  • 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.