R1205L Step-Up DC/DC Converters Nisshinbo R1205L Step-Up DC/DC Converters feature pulse-width modulation control. These converters offer a 2.3V to 5.5V input voltage range, 800µA typical supply current, and up to 5µA standby current. The R1205L offers Lx peak current limit function, over-voltage protection, under-voltage lockout, and thermal shutdown function. The R1205L8XXA is for constant voltage power source whereas R1205L8XXB is for driving white LED with the constant voltage power source. These DC/DC converters are free from lead and halogen and available in a DFN1616-6B package. Typical applications are OLED power supply and white LED backlight for portable equipment and constant voltage power source for portable equipment.