Description

SIM Power Supply and Level Translator Features: Step-Up/Step-Down Charge Pump Generates 5V Input Voltage Range: 2.7V to 10V Output Current: 10mA (VIN > 2.7V) 20mA (VIN > 3V) 3V to 5V Signal Level Translators >10kV ESD on All SIM Contact Pins Short-Circuit and Overtemperature Protected Very Low Operating Current: 60µA Very Low Shutdown Current: <1µA Soft Start Limits Inrush Current at Turn-On Programmable 3V or 5V Output Voltage 650kHz Switching Frequency Auxiliary 4.3V LDO/Power Switch (LTC1556 Only) Available in a 16- and 20-Pin Narrow SSOP