LTC4558 - Dual SIM/Smart Card Power Supply and Interface

Internal level translators allow controllers operating with supplies as low as 1.4V to interface with 1.8V or 3V Smart Cards. Battery life is maximized by a low operating current of 65µA and a shutdown current of less than 1µA. Board area is minimized by the low profi le 3mm × 3mm × 0.75mm leadless QFN package.

  • Power Management and Control for Two SIM Cards or Smart Cards
  • Independent 1.8V/3V VCC Control for Both Cards
  • Supports Simultaneous Powering of Both Cards
  • Fast Channel Switching
  • Automatic Level Translation
  • Dynamic Pull-Ups Deliver Fast Signal Rise Times*
  • Built-In Fault Protection Circuitry
  • Automatic Activation/Deactivation Sequencing Circuitry
  • Low Operating/Shutdown Current
  • > 10kV ESD on SIM Card Pins
  • Meets EMV Fault Tolerance Requirements
  • Low Profi le 20-Lead (3mm × 3mm) QFN Package
LTC4558 Typical Application
LTC4558 Typical Application
  • GSM, TD-SCDMA and other 3G+ Cellular Phones
  • Wireless Point-of-Sale Terminals
  • Multiple SIM Card Interfaces
LTC4558 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) *
LTC4558EUD#PBF3x3 QFN-20E$2.21$1.55
LTC4558EUD#TRPBF3x3 QFN-20E$1.61
DC1263ALTC4558EDU | Dual SIM Smart Card Power Supply and Interface联系凌力尔特
CAD 符号
LTC4558 - Dual SIM/Smart Card Power Supply and Interface
R527 Reliability Data
Dual SIM/Smart Card Power Supply IC Features Fast Channel Transition
LTC4558 Footprints and Symbols