ADP1109 Datasheet (Analog Devices)

ADP1109, DC-to-DC Converter

LIM AE The ADP1109 is a versatile step-up switching regulator.

The L device requires only minimal external components to operate as E IC T a complete switching regulator.

PR HN E The ADP1109-5 can deliver 100 mA at 5 V from a 3 V input, and ADP1109-12 can deliver 60 mA at 12 V from a 5 V input.

C Th

ADP1109 Features

* FUNCTIONAL BLOCK DIAGRAM Operates at Supply Voltages 2 V to 12 V Fixed 5 V, 12 V and Adjustable Output VIN SENSE Minimum External Components Required Ground Current 320 ␮A 120 kHz Oscillator Frequency R2 250kΩ ADP1109 Logic Shutdown COMPARATOR SW 8-Pin DIP and SO Package APPLICATIONS Ce