Part number:
LTC4555
Manufacturer:
Linear Technology
File Size:
157.24 KB
Description:
Sim power supply and level translator.
Datasheet Details
Part number:
LTC4555
Manufacturer:
Linear Technology
File Size:
157.24 KB
Description:
Sim power supply and level translator.
LTC4555, SIM Power Supply and Level Translator
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.
The part contains an LDO linear
LTC4555 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 S
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