| LTC1555 | 2.7 | 10 | 20 | 5V | 0.06 | SIM Power Supply & Level Translator | 650 | SSOP-16 |
| LTC1555L | 2.6 | 6.6 | 20 | 3V, 5V | 0.04 | SIM Power Supply & Level Translator | 1000 | SSOP-16 |
| LTC1555L-1.8 | 2.6 | 6.6 | 20 | 1.8V, 3V, 5V | 0.032 | SIM Power Supply & Level Translator | 1000 | SSOP-16 |
| LTC1556 | 2.7 | 10 | 20 | 5V | 0.06 | SIM Power Supply & Level Translator | 650 | SSOP-20 |
| LTC1755 | 2.7 | 6 | 60 | 3V, 5V | 0.06 | Universal Smart Card Interface | | SSOP-24 |
| LTC1756 | 2.7 | 6 | 60 | 3V, 5V | 0.06 | Universal Smart Card Interface | | SSOP-16 |
| LTC1955 | 3 | 6 | 50 | 1.8V,3.0V,5.0V | 0.25 | Dual Smart Card Interface with Serial Control | | 5x5 QFN-32 |
| LTC1986 | 2.6 | 4.4 | 10 | 5V, Vin | 0.014 | SIM Power Supply | 900 | SOT-23 |
| LTC4555 | 2.7 | 5.5 | 100 | 1.8V,3.0V | 0.02 | SIM Power Supply and Level Translator | | 3x3 QFN-16 |
| LTC4556 | 3 | 6 | 50 | 1.8V,3.0V,5.0V | 0.25 | Smart Card Interface with Serial Control | | 4x4 QFN-24 |
| LTC4557 | 2.7 | 5.5 | 50 | 1.8V,3.0V | 0.1 | Dual SIM/Smart Card Power Supply and Interface | | 3x3 QFN-16 |
| LTC4558 | 2.7 | 5.5 | 50 | 1.8V,3V | 0.065 | Dual SIM/Smart Card Power Supply and Interface | | 3x3 QFN-20 |
