LT8613 – 42V, 6A Synchronous Step-Down Regulator with Current Sense and 3μA Quiescent Current




Features

  • Rail-to-Rail Current Sense Amplifier with Monitor
  • Wide Input Voltage Range: 3.4V to 42V
  • Ultralow Quiescent Current Burst Mode® Operation:
    3μA IQ Regulating 12VIN to 3.3VOUT
    Output Ripple <10mVP-P
  • High Efficiency Synchronous Operation:
    95% Efficiency at 3A, 5VOUT from 12VIN
    94% Efficiency at 3A, 3.3VOUT from 12VIN
  • Fast Minimum Switch-On Time: 40ns
  • Low Dropout Under All Conditions: 250mV at 3A
  • Allows Use Of Small Inductors
  • Low EMI
  • Adjustable and Synchronizable: 200kHz to 2.2MHz
  • Current Mode Operation
  • Accurate 1V Enable Pin Threshold
  • Internal Compensation
  • Output Soft-Start and Tracking
  • Small Thermally Enhanced 3mm × 6mm 28-Lead QFN Package

Typical Application

LT8613 - 42V, 6A Synchronous Step-Down Regulator with Current Sense and 3μA Quiescent Current




Description

The LT®8613 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 3μA of quiescent current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components.

 

For more detail: LT8613 – 42V, 6A Synchronous Step-Down Regulator with Current Sense and 3μA Quiescent Current




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