Datasheet Linear Technology LTC4558EUD#PBF — 数据表

LTC4558
Dual SIM/Smart Card
Power Supply and Interface
FEATURES
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в–  DESCRIPTION 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 …