Dual SIM/SAM/Smart Card Power Supply and Level Shifter
Description
NCN4557
1.8 V/3.0 V Dual SIM/SAM/ Smart Card Power Supply and Level Shifter
The NCN4557 is a dual interface analog circuit designed to translate the voltages between SIM, SAM or Smart Cards and a microcontroller (or similar control device). It integrates two LDOs for power conversion and three level shifters per channel allowing the management of two indepe...
