Yielding 1.0 A from a 2.5-V input using 3 external components, Maxim Integrated Product’s MAX8815A step-up DC/DC converter provides adjustable output from 3.3 V to 5.0 V or preset output of 5.0 V with an input ranging from 1.2 to 5.5 V. The 3-mm² 10-pin TDFN-packaged device has quiescent current at 30 mA, a forced-PWM mode, and True Shutdown load-disconnect switch with internal compensation. The converter inputs from dual NiMH/NiCd AA batteries or a single Li+ battery in applications such as handheld communication devices, media players, and digital cameras. The device operates over temperature ranging from -40°C to 85°C with 97% efficiency. Pricing starts at $1.14 for 1,000 quantities and up.
Maxim Integrated Products