DESCRIPTION
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. PIN CONFIGURATION SOT-23-3L SOT-89 VOUT GND SW APPLICATIONS
Battery Powered Devices Camera PDA Hand Held Communication Equipment Camcoder Power Source for APPLICATIONS
which Require Higher Voltage than Batteries can Provide SW GND VOUT 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 Square, Mountain View, Ca 94040 USA TEL: (650) 9389294 FAX: (650) 9389295 Page 1 Step-Up DC/DC Converter High Efficiency PFM TYPICAL APPLCTUON CIRCUIT ST1638 TEST CIRCUITS PIN DESCRIPTION
Pin 1 2 3 Symbol GND VOUT SW Descripton Ground Output Voltage Switch Voltage STANSON TECHNOLOGY 120 B...
Stanson Technology
