I would like to build simple and small power supply for my projects with microcontrollers. This supply should be powered by two Ni-MH batteries and output should be 5V (maximum current 500mA).
The LTC3400 looks very good but not cheap. Do you know any other step-up converter (Vin 1.8V and less, output current 500mA and more)? By cheap, I mean circa $1.