LM2734Y / LM2840Y

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

Tutorial / documentation

Power supplies

Quick documentation & first test preparation

  1. Identify component LM2734Y 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.

LM2734Y

1A Step-Down DC-DC Regulator, Adjustable Output Voltage, 550kHz, TSOT-23-5

  • 1A Step-Down DC-DC Regulator, Adjustable Output Voltage, 550kHz, TSOT-23-5
  • 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

LM2840Y

100mA 42V Input Step-Down DC-DC Regulator, Adjustable Output Voltage, 1.25MHz, TSOT-23-5

  • 100mA 42V Input Step-Down DC-DC Regulator, Adjustable Output Voltage, 1.25MHz, TSOT-23-5
  • 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