[Lutz] needed a converter that could boost 5 V to 30 V to power a string of LEDs. The solution was to use low cost ATtiny85 and some passive components to implement a boost converter. This circuit ...

The converter is optimized for current load up to 100mA and 0.95V to 1.3V selectable ... CT21104 is high efficiency DCDC boost converter designed work with Li-Ion batteries. The boost converter is ...