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LM22680 Description

The LM22680 switching regulator provides all of the functions necessary to implement an efficient higholtage step-down (buck) regulator using a minimum of external ponents. This easy to use regulator incorporates a 42-V N-channel MOSFET switch that can provide up to 2 A of load current. Excellent line and load regulation along with high efficiency (> 90%) are featured.

LM22680 Key Features

  • 1 Wide Input Voltage Range: 4.5 V to 42 V
  • Internally pensated Voltage Mode Control
  • Stable with Low ESR Ceramic Capacitors
  • 200-mΩ N-Channel MOSFET
  • Output Voltage Option
  • ADJ (Outputs as Low as 1.285 V)
  • ±1.5% Feedback Reference Accuracy
  • 500-kHz Default Switching Frequency
  • Adjustable Switching Frequency and
  • 40°C to 125°C Operating Junction Temperature