Datasheet4U Logo Datasheet4U.com

LTC4556 - Smart Card Interface

General Description

The LTC®4556 provides all necessary power control, level translation and supervisory functions for a smart card or S.A.M.

card interface.

The part contains a low noise charge pump plus LDO for generating VCC power, as well as all necessary level shifting circuitry.

Key Features

  • n Electrical Specifications Are ISO7816-3 and EMV Compatible n Control/Status Serial Port May be Daisy-Chained for Multicard.

📥 Download Datasheet

📁 Similar Datasheet

Part Number Description Manufacturer
LTC455 Ceramic Filter AiT Components
LTC455 CERAMIC FILTER Transko
LTC4558 Dual SIM/Smart Card Power Supply/Interface Linear
LTC455BU Communication Ceramic Chip Filters Token
LTC455BW Communication Ceramic Chip Filters Token

Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LTC4555 SIM Power Supply and Level Translator
LTC4557 Dual SIM/Smart Card Power Supply/Interface
LTC4000 High Voltage High Current Controller
LTC4001 2A Synchronous Buck Li-Ion Charger
LTC4001-1 2A Synchronous Buck Li-Ion Charger

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Features n Electrical Specifications Are ISO7816-3 and EMV Compatible n Control/Status Serial Port May be Daisy-Chained for Multicard Applications n Automatic Shutdown on Electrical Faults n Buck Boost Charge Pump Generates 5V, 3V or 1.8V Outputs (Smart Card Classes A, B and C) n Automatic Level Translation n Dynamic Pull-Ups Deliver Fast Signal Rise Times n Supervisory Functions Prevent Smart Card Faults n Low Operating Current: 250µA Typical n VIN: 2.7V to 5.5V n Ultralow Shutdown Current n >10kV ESD on Smart Card Pins n Small 24-Lead 4mm × 4mm QFN Package Applications n Handheld Payment Terminals n Pay Telephones n ATM Machines n POS Terminals n Computer Keyboards n Multiple S.A.M.