SGM3803 Datasheet (SG Micro) - 90% Efficient Synchronous Step-Up Converter

SGM3803, 90% Efficient Synchronous Step-Up Converter

The SGM3803 is a constant frequency, current mode, synchronous step-up switching regulator with 200mA negative charge pump inverter which generates an unregulated negative output voltage from an input voltage ranging from 1.4V to 5.5V.

The device is typically used to generate +5V and -5V from batter

SGM3803 Features

* Boost DC/DC

* 90% Efficient Synchronous Boost Converter

* Device Quiescent Current: 30µA (TYP)

* Less than 1μA Shutdown Current

* Input Voltage Range: 2.7V to 5.5V

* Output Voltage Clamping: 6V

* Adjustable Output Voltage Up to 5.5V

* Power-Save Mode for Improved Efficien