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Description

The STOD1412 is a dual DC-DC converter capable of providing a positive and negative voltage from a positive input voltage ranging from 2.7 V to 5.5 V. It integrates two complete power stages, one step-up and one inverting, each of which need just one inductor, and input and output capacitor.

Features

■ 2.7 V to 5.5 V input voltage range

■ 120 mA max output current for each converter

■ Output voltages:

– Step-up from 4.3 V to 6.0 V

– Inverting from -8.0 V to -2.0 V

■ Synchronous rectification for both DC-DC converters

■ Efficiency:

– 80 IO = 10 mA - 30 mA

– 85 IO = 30 mA - 120 mA

■ 1.3 MHz PWM mode control

■ Shutdown mode with Enable pin

■ Inrush current protection

■ Adjustable output voltages

■ True shutdown mode

■ Less than 1 μA current consumption in shutdown mode

■ Over-temperature protection

■ Package: 16 pin - QFN 3X3

■ Temperature range: -40°C to 85°C

Applications

■ Active matrix organic LED power supplies

■ Mobile phones

■ PDAs

■ Camcorders

■ Digital still cameras