july 2016 docid029568 rev 1 1 / 4 for further information contact your local stmicroelectronics sales office www.st.com steval - isa180v1 12 v - 0.6 a flyback isolated converter using viper? plus C viper0p data brief features ? universal ac main input voltage range: 85 to 265 v ac ? output range: 12 v - 0.6 a ? rated output power: 7.2 w ? input power in standby @ 230 v ac : less than 18 mw ? active mode efficiency: > 80% ? emi: according to en55022 - class - b ? rohs compliant description the steval - isa180v1 eva luation board implements a wide mains range flyback isolated converter (12 v - 0.6 a), developed for general purpose applications. this high - voltage converter intelligently integrates an 800 v rugged power mosfet with pwm current - mode control. the core of the application is the new viper0p off - line high voltage converter from viperplus family with zero power features. the evaluation board features a small size and minimal bom, high efficiency, low standby consumption and high reliability due to these protec tions: pulse skip mode to avoid flux - runaway, delayed overload protection (olp), max duty cycle counter, v cc clamp and thermal shutdown.
schematic diagram steval - isa180v1 2 / 4 docid029568 rev 1 1 schematic diagram figure 1 : steval - isa180v1 circuit schematic 1 2 3 4 b r r 1 l 1 1 2 i n d 1 c 3 r 2 c 6 r 5 + c 1 + c 2 + c 4 d 2 r 1 0 r 9 r 7 r 6 r 8 c 1 0 1 2 o u t c 1 1 l 3 + c 9 d 3 c 5 c 7 l 2 r 3 d 4 1 2 3 ic 2 + c 8 1 2 3 4 ic 3 f b 5 v c c 3 o n 7 d r a i n 1 6 d r a i n 1 5 c o m p 6 p g n d 1 d r a i n 1 4 d r a i n 1 3 s g n d 4 o f f 8 e a g n d 2 ic 1 5 3 7 9 2 1 6 1 0 t 1 gspg1807160955sg
steval - isa180v1 revisi on history docid029568 rev 1 3 / 4 2 revision history table 1: document revision history date version changes 21 - jul - 2016 1 initial release.
steval - isa180v1 4 / 4 docid029568 rev 1 important notice C please read carefully stmicroelectronics nv and its subsidiaries (st) reserve the right to make changes, corrections, enhancements, modifications , and improvements to st products and/or to this document at any time without notice. purchasers should obtain the latest relevant information on st products before placing orders. st products are sold pursuant to sts terms and conditions of sale in place at the time of or der acknowledgement. purchasers are solely responsible for the choice, selection, and use of st products and s t assumes no liability for application assistance or the design of purchasers products. no license, express or implied, to any intellectual property right is granted by st herein. resale of st products with provisions different from the information set forth herein shall void any warranty granted by st for such product. st and the st logo are trademarks of st. all other product or service names are the property of their respective owners. information in this document supersedes and replaces information previously supplied in any prior versions of this document. ? 2016 stmicroelectronics C all rights reserved
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