FXLP4555 datasheet, shifter equivalent, Fairchild Semiconductor

FXLP4555 shifter equivalent, 1.8v / 3.0v sim card power supply and level shifter.

Features and benefits

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* Supports 1.8V or 3.0V SIM Cards LDO Supplies >50mA Under 1.8V and 3.0V Built-in Pull-up Resistor for I/O Pin in Both Directions .

Application

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* SIM Card Interface Circuit for 2G, 2.5G, and 3G Mobile Phones Identification Module Smart Card R.

Description

The FXLP4555 is a level-shifter analog circuit designed to translate the voltages between a SIM card and an external baseband. A built-in LDO-type DC-DC converter allows the FXLP4555 to drive 1.8V and 3.0V SIM cards. The device fulfills the ISO7816-3.

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