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| Partname: | LTC1555LEGN-1.8 |
| Description: | SIM Power Supply and Level Translator |
| Manufacturer: | Linear Technology |
| Datasheet: | PDF (156K).
Click here to download *) |
The LTC1555L-1.8 provides power conversion and level shifting needed for low voltage GSM and WCDMA cellular telephones to interface with either 1.8V, 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 1.8V, 3V, 5V or direct connection to the VIN pin. |
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Click here to download LTC1555LEGN-1.8 Datasheet*) |
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