TPS9125 Overview
The TPS9125 SIM supply and level shifter integrates a programmable 3-V or 5-V SIM supply, conformable to the (GSM) test specification 11.10, together with either a 3-V or 5-V level shifter, conformable to the GSM specification 11.11 and 11.12. A charge pump, utilizing two external capacitors, is configured as voltage doubler to generate a 5-V supply rail from VDD. Dependent on the SIM card used, a control signal ing...