LT1939 - Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller

Features
  • Wide Input Range: 3V to 25V
  • Short-Circuit Protected Over Full Input Range
  • 2A Output Current Capability
  • Adjustable/Synchronizable Fixed Frequency Operation from 250kHz to 2.2MHz
  • Soft-Start/Tracking Capability Output Adjustable Down to 0.8V
  • Adjustable Linear Regulator/Driver with 13mA Output Capability
  • Power Good Comparator with Complementary Outputs
  • Low Shutdown Current: 12μA
  • Thermally Enhanced 3mm × 3mm DFN Package
Typical Application


Applications
  • Automotive Battery Regulation
  • Industrial Control
  • Wall Transformer Regulation
  • Distributed Power Regulation
Packaging
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LT1939EDD#PBF3x3 DFN-12E$4.36$3.05
LT1939EDD#TRPBF3x3 DFN-12E$3.11
LT1939IDD#PBF3x3 DFN-12I$5.23$3.66
LT1939IDD#TRPBF3x3 DFN-12I$3.72
Demo Boards
Part NumberDescriptionPrice
DC1293ALT1939EDD | Monolithic 2A Step-Down Regulator Plus Linear Regulator/ControllerContact Factory
Datasheet
Reliability Data
Press Release
LTspice
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LT1939 - Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller
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