LT3976 Datasheet (PDF) Download
Linear Technology
LT3976

Description

The LT®3976 is an adjustable frequency monolithic buck switching regulator that accepts a wide input voltage range up to 40V. Low quiescent current design consumes only 3.3µA of supply current while regulating with no load.

Key Features

  • Ultralow Quiescent Current: 3.3µA IQ at 12VIN to 3.3VOUT
  • Low Ripple Burst Mode® Operation Output Ripple < 15mVP-P
  • Wide Input Range: Operation from 4.3V to 40V
  • 5A Maximum Output Current
  • Excellent Start-Up and Dropout Performance
  • Adjustable Switching Frequency: 200kHz to 2MHz
  • Synchronizable Between 250kHz to 2MHz
  • Accurate Programmable Undervoltage Lockout
  • Low Shutdown Current: IQ = 700nA
  • Power Good Flag