FXLP4555

SIM Card Power Supply Level Shifter

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Overview

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 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).

Applications

This product is general usage and suitable for many different applications.

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

Material Composition

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Reference Price

FXLP4555MPX

Active

WQFN-16

510BS

260

REEL

3000

CMOS

2.7

5.5

N/A

$0.1773

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Level Translators | FXLP4555

SIM Card Power Supply Level Shifter

Overview

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