LTC4558 supply/interface equivalent, dual sim/smart card power supply/interface.
* 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 Card.
* GSM, TD-SCDMA and other 3G+ Cellular Phones
* Wireless Point-of-Sale Terminals
* Multiple SIM Card Interfa.
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