STEVAL-ISA011V1

STEVAL-ISA011V1 VIPER12ADIP-E low power AC/DC adapter demonstration board (suitable for the STEVAL-ILL002V1) Data brief Features ■ Minimum AC input voltage = 88 Vrms ■ Maximum AC input voltage = 265 Vrms ■ Max output power = 4.1 W ■ Output voltage = 4.5 V ■ Max output current = 900 mA ■ Efficiency (at full load and 230 Vac) = 70 % ■ Efficiency (at full load and 115 Vac) = 70 % ) s ( ct u d o r P e t e l o Description The STEVAL-ISA011V1 demonstration board is a low power (4.1 W output), general purpose adapter. The design is based on the VIPER12ADIP-E monolithic device which, in the same package, integrates the high voltage power switch and the basic control function needed for a current mode flyback converter. ) (s s b O STEVAL-ISA011V1 t c u The board can handle a wide range AC input voltage, from 88 Vac to 265 Vac, with one output voltage of 4.5 V delivering a maximum output current of 900 mA. d o r P e t e l o The main applications for this board are auxiliary power supplies and wall-plug adapters. s b O September 2010 Doc ID 18014 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 Doc ID 18014 Rev 1 17&  & &Q)