LT1938 - 25V, 2.2A, 2.8MHz Step-Down Switching Regulator

Features
  • Wide Input Voltage Range: 3.6V to 25V
  • 2.2A Maximum Output Current
  • Adjustable Switching Frequency: 300kHz to 2.8MHz
  • Low Shutdown Current: IQ < 1µA
  • Integrated Boost Diode
  • Power Good Flag
  • Saturating Switch Design: 0.18Ω On-Resistance
  • 1.265V Feedback Reference Voltage
  • Output Voltage: 1.265V to 20V
  • Soft-Start Capability
  • Small 10-Pin Thermally Enhanced (3mm x 3mm) DFN Package
Typical Application

Applications
  • Automotive Battery Regulation
  • Power for Portable Products
  • Distributed Supply Regulation
  • Industrial Supplies
  • Wall Transformer Regulation
Packaging
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LT1938EDD#PBF3x3 DFN-10E$3.93$2.75
LT1938EDD#TRPBF3x3 DFN-10E$2.81
LT1938IDD#PBF3x3 DFN-10I$4.71$3.30
LT1938IDD#TRPBF3x3 DFN-10I$3.36
Demo Boards
Part NumberDescriptionPrice
DC1273ALT1938EDD| 25V. 2.2A, 2.8MHz Step-Down Switching Regulator$100.00
Datasheet
Reliability Data
Press Release
LTspice
Related Product
LT1938 - 25V, 2.2A, 2.8MHz Step-Down Switching Regulator
R530 - Reliability Data
LT1938 - 采用 3mm x 3mm DFN 封装的 25V、2.2A (IOUT)、2.8MHz 降压型 DC/DC 转换器
LT1938 Footprints and Symbols
LT1938 Demo Circuit - 2.2A, 25V. 2.8MHz Step_down Regulator (24V to 3.3V @ 2.2A)