LT3742 - Dual, 2-Phase Step-Down Switching Controller

Features
  • Wide Input Voltage Range: 4V to 30V
  • Wide Output Voltage Range: 0.8V to VIN
  • Low Shutdown IQ: 20μA
  • Out-of-Phase Controllers Reduce Required Input Capacitance and Power Supply Induced Noise
  • 0.8V ±1.5% Voltage Reference
  • 500kHz Current Mode Fixed Frequency Operation
  • Internal Boost Converter Provides Bias Rail for N-Channel MOSFET Gate Drive
  • Power Good Voltage Monitor for Each Output
  • Programmable Soft-Start
  • 24-Lead 4mm × 4mm × 0.75mm Package
Typical Application

Applications
  • Satellite and Cable TV Set-Top Boxes
  • Distributed Power Regulation
  • Automotive Systems
  • Super Capacitor Charger
Packaging
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LT3742EUF#PBF4x4 QFN-24E$3.29$2.30
LT3742EUF#TRPBF4x4 QFN-24E$2.36
Demo Boards
Part NumberDescriptionPrice
DC927ALT3742EFE Demo Board | 5.5V ≤ VIN ≤ 28V, Vout1 = 5V @ 4A, Vout2 = 3.3V @ 4A$125.00
Datasheet
Reliability Data
LT Journal
Press Release
LTspice
Related Product
LT3742 - Dual, 2-Phase Step-Down Switching Controller
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LT3742 Footprints and Symbols
LT3742 Demo Circuit - Dual, 2-Phase Step-Down Controller (14V to 8V @ 4A & 5V @ 4A)