Product Overview NCN4555: SIM Card Power Supply and Level Translator For complete documentation, see the data sheet Product Description The NCN4555 is a level shifter analog circuit designed to translate the voltages between a SIM Card and an external microcontroller or MPU. A built-in LDO-type DC/DC converter makes the NCN4555 useable to drive 1.8 V and 3.0 V SIM card. The device fulfills the ISO7816-3 smart card interface standard as well as GSM 11.11 and related (11.12 and 11.18) and 3G mobile requirements (IMT2000/3G TS 31.101). Features • • • • Supports 1.8V or 3.0V Operating SIM Card The LDO is able to supply more than 50mA under 1.8V and 3.0V Built-in pullup resistor for I/O pin in both directions. All pins are fully ESD protected according to ISO-7816 Specifications - ESD Protection on SIM pins in excess of 7kV (Human Body Model) • Supports more than 5MHz clock Applications • • • • End Products SIM Card Interface Circuit for 2G, 2.5G and 3G Identification Modules Smart Card Readers Wireless PC Cards • Mobile Phones Part Electrical Specifications Product NCN4555MNR2G Compliance Status VCC Min (V) VCC Max (V) IT Typ (mA) II(standby) Max (µA) fClock Max (MHz) Package Type Pb-free Active 1.6 5.5 0.03 4 5 QFN-16 Halide free Application Diagram For more information please contact your local sales support at www.onsemi.com Created on: 6/30/2016