The TEA1208T is a high efficiency DC/DC converter with fully integrated circuit, up-or-down conversion, start-up from 1.85V input voltage, adjustable output voltage, high efficiency over a wide range of loads, power handling capability up to 0.42A continuous average current, 275kHz switching frequency, low quiescent power consumption, external clock synchronization, true current limit for Li-ion battery compatibility, up to 100% duty cycle in down conversion, undervoltage lockout, shutdown function, and 8-pin SO package. It is suitable for applications such as cellular and cordless phones, Personal Digital Assistants (PDAs), supply voltage source for low-voltage chip sets, portable computers, battery backup supplies, and cameras.