Datasheet Details
| Part number | LTC4558 |
|---|---|
| Manufacturer | Linear Technology (now Analog Devices) |
| File Size | 142.11 KB |
| Description | Dual SIM/Smart Card Power Supply/Interface |
| Datasheet |
 LTC4558 Datasheet
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General Description
The LTC®4558 provides the power conversion and signal level translation needed for advanced cellular telephones to interface with 1.8V or 3V subscriber identity modules (SIMs).
Key Features
- 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.