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LTC4555 - SIM Power Supply and Level Translator

Datasheet Summary

Description

The LTC®4555 provides power conversion and signal level shifting needed for low voltage 2.5G and 3G cellular telephones to interface with 1.8V or 3V subscriber identity modules (SIMs).

The part meets all type approval requirements for 1.8V and 3V SIMs and smart cards.

Features

  • n SIM Power Supply: 1.8V/3V at 50mA n Input Voltage Range: 3V to 6V n Controller Voltage Range: 1.2V to 4.4V n 14kV ESD On All SIM Contact Pins n Meets All ETSI, IMT-2000 and ISO7816 SIM/Smart Card Interface Requirements n Level Translators to 1.8V or 3V n 20µA Operating Current n Logic-Controlled Shutdown (ISD < 1µA) n Available in a Low Profile, 16-Pin (3mm × 3mm) QFN Package.

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Datasheet preview – LTC4555

Datasheet Details

Part number LTC4555
Manufacturer Linear Technology
File Size 157.24 KB
Description SIM Power Supply and Level Translator
Datasheet download datasheet LTC4555 Datasheet
Additional preview pages of the LTC4555 datasheet.

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Full PDF Text Transcription

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LTC4555 SIM Power Supply and Level Translator Features n SIM Power Supply: 1.8V/3V at 50mA n Input Voltage Range: 3V to 6V n Controller Voltage Range: 1.2V to 4.4V n 14kV ESD On All SIM Contact Pins n Meets All ETSI, IMT-2000 and ISO7816 SIM/Smart Card Interface Requirements n Level Translators to 1.8V or 3V n 20µA Operating Current n Logic-Controlled Shutdown (ISD < 1µA) n Available in a Low Profile, 16-Pin (3mm × 3mm) QFN Package Applications n SIM Interface in 3G Cellular Telephones n Smart Card Readers Description The LTC®4555 provides power conversion and signal level shifting needed for low voltage 2.5G and 3G cellular telephones to interface with 1.8V or 3V subscriber identity modules (SIMs). The part meets all type approval requirements for 1.8V and 3V SIMs and smart cards.
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