LT1676 - Wide Input Range, High Efficiency, Step-Down Switching Regulator

Features
  • Wide Input Range: 7.4V to 60V
  • 700mA Peak Switch Current Rating
  • Adaptive Switch Drive Maintains Efficiency at High Load Without Pulse Skipping at Light Load
  • True Current Mode Control
  • 100kHz Fixed Operating Frequency
  • Synchronizable to 250kHz
  • Low Supply Current in Shutdown: 30µA
  • Available in 8-Pin SO and PDIP Packages
Typical Application

Applications
  • Automotive DC/DC Converters
  • Telecom 48V Step-Down Converters
  • Cellular Phone Battery Charger Accessories
  • IEEE 1394 Step-Down Converters
Packaging
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LT1676CN8#PBFN-8C$3.15$2.60
LT1676CS8#PBFSO-8C$3.25$2.65
LT1676CS8#TRPBFSO-8C$2.71
LT1676IN8#PBFN-8I$3.70$3.00
LT1676IS8#PBFSO-8I$3.85$3.15
LT1676IS8#TRPBFSO-8I$3.21
Demo Boards
Part NumberDescriptionPrice
DC204A-ALT1676CS8 | High Voltage, High Eff., Step Down Switching Regulator, 7V to 60Vin, 3.3V and 5V @ 0.5A Out (thru-hole input cap)$75.00
Datasheet
Design Note
Reliability Data
LT Journal
Related Product
LT1676 - Wide Input Range, High Efficiency, Step-Down Switching Regulator
DN202 - 60V, High Efficiency Buck Switching Regulators in SO-8
DN212 - LT1777 High Voltage, Low Noise Buck Switching Regulator
R012 Reliability Data
Feb 1999 Generating Low Cost, Low Noise, Dual-Voltage Supplies
Nov 1998 Wide Input Range, High Efficiency Step-Down Switching Regulators
LT1676 Footprints and Symbols