ST1638 Datasheet - Stanson Technology

ST1638 Step-Up DC/DC Converter High Efficiency PFM

The ST1638 is a high efficiency PFM step-up DC/DC converter for application using battery powered devices. Only three external components are required to construct a low ripple, high efficiency converter. ST1638 can start up from 0.9V input voltage with 1mA load. The space saving SOT-89 and SOT-23 p.

ST1638 Features

* PART MARKING SOT-23-3L SOP-89 Larger than 85% Efficiency Low Startup Voltage, 0.9V at 1mA Low Ripple and Low Noise Low Quiescent Current Minimum Number of External Components SOT-89 and SOT-23 Small Package 638YA Y¡G Year A¡G Day Code S1638 YW Y¡G Year A¡G Day Code STANSON TECHNOLOGY 120 Bentley

ST1638_StansonTechnology.pdf