FXLP4555 datasheet(2/15 Pages) ONSEMI

2 / 15 page

May 2011

www.fairchildsemi.com

FXLP4555 • Rev. 1.0.0

FXLP4555

1.8V / 3.0V SIM Card Power Supply and Level Shifter

Features

 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

 ESD Protection: 8kV (Human Body Model,

According to ISO-7816 Specifications)

 Supports Clock  5MHz

 Supports “Clock Stop” Power Management per

ISO7816-3 Specifications

 Low-Profile 3x3mm MLP-16 Package

Applications

 SIM Card Interface Circuit for 2G, 2.5G, and 3G

Mobile Phones

 Identification Module

 Smart Card Readers

 Wireless PC Cards

Description

The FXLP4555 is a level-shifter analog circuit designed

to translate the voltages between a SIM card and an

external

baseband.

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 smart-card

interface standard as well as GSM 11.11 (11.12 and

11.18) and 3G mobile requirements (IMT-2000/3G UICC

standard). The EN pin enables a low-current Shutdown

Mode that extends battery life. The card power supply

voltage (VCC_C) is selected using a single pin (VSEL).

Ordering Information

Part Number

Operating

Temperature Range

Top

Mark

Package

Packing Method

FXLP4555MPX

-40 to +85°C

FXLP

4555

16-Lead,MLP,Quad,JEDEC

MO-220,3MM Square

3000 Units

on Tape & Reel

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