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Part Number
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LTC4555 |
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Manufacturer
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Linear Technology |
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Description
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SIM Power Supply and Level Translator |
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Published
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Aug 5, 2014 |
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Detailed Description
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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...
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Datasheet
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LTC4555
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Overview
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 modul...
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