LTC1625 - No RSENSETM Current Mode Synchronous Step-Down Switching Regulator

特点
  • Highest Efficiency Current Mode Controller
  • No Sense Resistor Required
  • Stable High Current Operation
  • Dual N-Channel MOSFET Synchronous Drive
  • Wide VIN Range: 3.7V to 36V
  • Wide VOUT Range: 1.19V to VIN
  • ±1% 1.19V Reference
  • Programmable Fixed Frequency with Injection Lock
  • Very Low Drop Out Operation: 99% Duty Cycle
  • Forced Continuous Mode Control Pin
  • Optional Programmable Soft Start
  • Pin Selectable Output Voltage
  • Foldback Current Limit
  • Output Overvoltage Protection
  • Logic Controlled Micropower Shutdown: IQ < 30µA
  • Available in 16-Lead Narrow SSOP and SO Packages
典型应用
LTC1625 Typical Application
LTC1625 Typical Application
应用
  • Notebook and Palmtop Computers, PDAs
  • Cellular Telephones and Wireless Modems
  • Battery Chargers
  • Distributed Power
封装信息
LTC1625 Package Drawing
Order Information 订购型号
器件型号封装温度价格 (以 1 ~ 99 片为批量)价格 (以 1000 片为批量) *
LTC1625CGN#PBFSSOP-16C$5.80$4.90
LTC1625CGN#TRPBFSSOP-16C$4.96
LTC1625CS#PBFSO-16C$5.45$4.55
LTC1625CS#TRPBFSO-16C$4.61
LTC1625IGN#PBFSSOP-16I$7.02$5.90
LTC1625IGN#TRPBFSSOP-16I$5.96
LTC1625IS#PBFSO-16I$6.75$5.50
LTC1625IS#TRPBFSO-16I$5.56
演示电路板
器件型号描述价格
DC2008ALTC1625IGN Demo Board | 4.5V ≤ VIN ≤ 28V; VOUT = 3.3V @ 15A联系凌力尔特
数据表
应用指南
设计要点
可靠性数据
LT Journal
CAD 符号
LTspice
相关产品
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R384 Reliability Data
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LTC1625 Footprints and Symbols
LTC1625 Demo Circuit - High Efficiency Step-Down Converter (5-28V to 3.3V @ 4.5A)