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LTC4558

Dual SIM/Smart Card Power Supply/Interface

LTC4558 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

LTC4558 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). The device meets all requirements for 1.8V and 3V SIMs and contains LDO regulators to power 1.8V or 3V SIM cards from a 2.7.

LTC4558 Datasheet (142.11 KB)

Preview of LTC4558 PDF

Datasheet Details

Part number:

LTC4558

Manufacturer:

Linear

File Size:

142.11 KB

Description:

Dual sim/smart card power supply/interface.

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TAGS

LTC4558 Dual SIM Smart Card Power Supply Interface Linear

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