LTC1555LEGN

LTC1555LEGN, SIM Power Supply and Level Translator, SSOP, -0.3V to 6.5V, 40mA, Linear Technology

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Price:: US $0.15~2.40 / piece [Get Latest Price]

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	US $0.15~2.40

PartNumber:: LTC1555LEGN

Brand:: Linear Technology - Linear | Pack: SSOP | D/C: 12+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Total Price:: US $0

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Products Upload time: 2012-10-09

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Part Number:LTC1555LEGN
US $0.15 - 2.40
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Product Summary

The LTC1555LEGN is a SIM Power Supply and Level Translator. The LTC1555LEGN provides power conversion and level shifting needed for low voltage GSM cellular telephones to interface with either 3V or 5V Subscriber Identity Modules (SIMs). The part contains a patented buck/boost charge pump DC/DC converter that delivers a regulated VCC supply voltage to the SIM card. Input voltage may range from 2.6V to 6V allowing direct connection to the battery. The output voltage may be programmed to 3V, 5V or direct connection to the VIN pin. The applications of the LTC1555LEGN include SIM Interface in GSM Cellular Telephones, Smart Card Readers.

Parametrics

LTC1555LEGN absolute maximum ratings: (1)VIN, DVCC to GND: -0.3V to 6.5V; (2)VCC to GND: -0.3V to 6.5V; (3)Digital Inputs to GND: -0.3V to 6.5V; (4)CLK, RST, I/O to GND: -0.3V to VCC + 0.3V; (5)VCC Short-Circuit Duration: Indefinite; (6)Operating Temperature Range (Note 2): -40℃ to 85℃; (7)Storage Temperature Range: -65℃ to 150℃; (8)Lead Temperature (Soldering,10 sec): 300℃.

Features

LTC1555LEGN features: (1)Buck/Boost Charge Pump Generates 3V or 5V; (2)Input Voltage Range: 2.6V to 6V; (3)Controller VCC Range: 1.425V to 4.4V; (4)>10kV ESD on All SIM Contact Pins; (5)Short-Circuit and Overtemperature Protected; (6)3V to 5V Signal Level Translators; (7)Very Low Operating Current: 40mA; (8)Very Low Shutdown Current: <1mA; (9)Soft-Start Limits Inrush Current at Turn-On; (10)1MHz Switching Frequency; (11)Available in 16-Pin Narrow SSOP Package.