Datasheet Details
Part number:
LTC1555, LTC
Manufacturer:
Linear Technology
File Size:
255.37 KB
Description:
Sim power supply and level translator.
Note:
This datasheet PDF includes multiple part numbers: LTC1555, LTC.
Please refer to the document for exact specifications by model.
LTC1555, LTC, SIM Power Supply and Level Translator
The LTC®1555/LTC1556 provide power conversion and level shifting needed for 3V GSM cellular telephones to interface with either 3V or 5V Subscriber Identity Modules (SIMs).
These parts contain a charge pump DC/DC converter that delivers a regulated 5V to the SIM card.
Input voltage may range from 2.
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