LM22670 Datasheet (PDF) Download
Texas Instruments
LM22670

Overview

The LM22670 switching regulator provides all of the functions necessary to implement an efficient highvoltage step-down (buck) regulator using a minimum of external components. This easy-to-use regulator incorporates a 42-V N-channel MOSFET switch that can provide up to 3 A of load current.

  • 1 Wide Input Voltage Range: 4.5 V to 42 V
  • Internally Compensated Voltage Mode Control
  • Stable With Low ESR Ceramic Capacitors
  • 120-mΩ N-channel MOSFET PFM Package
  • 100-mΩ N-channel MOSFET SO PowerPAD™-8 Package
  • Output Voltage Options: -ADJ (Outputs as Low as 1.285 V) -5.0 (Output Fixed to 5 V)
  • ±1.5% Feedback Reference Accuracy
  • 500-kHz Default Switching Frequency
  • Adjustable Switching Frequency and Synchronization
  • -40°C to 125°C Operating Junction Temperature Range