LA5774MC: Buck Regulator, Switching, Separately Excited (Variable Type)

The LA5774MC is a Separately-excited step-down switching regulator (variable type).

Features
  • High efficiency.
  • Time-base generator (160kHz) incorporated.
  • Current limiter incorporated.
  • Thermal shutdown circuit incorporated.
  • Soft start circuit incorporated.
Benefits
  • Can use small heat sink
  • Cost saving
  • Burn protection
  • Thermal protection
  • Can control a rush current
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Separately-Excited Step-Down Switching Regulator (Variable Type)ENA2191/D (313.0kB)0
Package Drawings (1)
Document TitleDocument ID/SizeRevision
D2PAK5 / SMP5J418AS (54.2kB)O
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
LA5774MC-BEActivePb-freeD2PAK5 / SMP5J418AS1Tape and Reel1000$1.584
LA5774MC-ELast ShipmentsPb-freeD2PAK5 / SMP5J418AS1Fan-Fold50
Specifications
ProductTopologyControl ModeVCC Min (V)VCC Max (V)VO Typ (V)IO Typ (A)Efficiency (%)fSW Typ (kHz)
LA5774MC-BEStep-DownVoltage Mode4.5283.3378160
Separately-Excited Step-Down Switching Regulator (Variable Type) (313.0kB) LA5774MC
D2PAK5 / SMP5J LA5774MC