POWER DESK 18W AC/DC POWER SUPPLY REV.01 FEATURES ■ PRIMARY SWITCH MODE POWER SUPPLY ■ WIDE RANGE INPUT VOLTAGE 90 ÷ 264 Vac ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 18 W SINGLE OUTPUT EMC COMPLIANCE ACCORDING TO EU DIRECTIVES SAFETY APPROVAL ACCORDING TO EN60950 / EN60065 CE MARKED INPUT FUSE PROTECTION INPUT: SHAVER CONNECTOR OUTPUT VOLTAGE PRECISION: ±5% OUTPUT RIPPLE VOLTAGE <200 mVpp OUTPUT SHORT CIRCUIT PROTECTION OUTPUT: 2 WIRES DC CORD TERMINATED WITH 5.5 mm (ext. diam.) / 2.5 mm (int. diam.) JACK CONNECTOR COMPLIANT with ETSI STAND BY POWER LOSSES REQUIREMENTS ORDERING NUMBER: GSAC-1215STMB DESCRIPTION The GSAC-1215STMB is a high efficiency AC/DC switch mode constant voltage generator.Designed for a variety of residential users applications, this desk-top power supply performs up to 18W max output power.The output voltage and current levels are set up by design in accordance with customer requirements. Typical reference values for the off shelf solution are 12V and 1.5A with the input Vac ranging from 90 to 264 Vrms.Coming into a compact brick housing, assembled with SHAVER INPUT CONNECTOR. Output DC power is ensured via a 2 wires cord with strain relief, terminated with a barrel connector. Typical weight is 90 grams only, without cable. June 2003 1/4 POWER DESK 18W ELECTRICAL CHARACTERISTICS (Tamb=25)C, unless otherwise specified.) Symbol Parameter Test Condition Vi Input Voltage Io = 0 to 1.5 A Io Output Current Vi = 90 to 264 Vrms Iom Minimum Output Current for Continuos Operation Condition Vi=90 ÷ 264 Vrms Vo Output Voltage Vi = 90 to 264 VRMS Io = 1.5 A Vo Output Voltage Vor Iosc Min. Typ. 90 Max. Unit 264 VRMS 1.5 A 25 12.6 V Vi = 90 to 264 VRMS Io = 0 mA 12.6 V Output Ripple Vi = 90 to 264 VRMS Io = 1.5 A 150 mVpp Output short circuit current Vi = 90 to 264 VRMS 2.5 A Efficiency Vi = 90 ÷ 264 VRMS PO = 18W by Power losses in no load condition Vi = 230 VRMS Io = 0 mA Vis Isolation voltage Input to output Top Operating Ambient Temperature Tstg Storage Temperature Range n P stand 11.4 12 mA 80 % 1 3000 W VRMS 0 40 °C -20 70 °C AGENCY APPROVALS The GSAC-1215STMB is certified by competent agencies to comply with most popular safety and EMC requirements, including but not limited to: EN60950 ETS300-342-1 EN60065 2/4 POWER DESK 18W MECHANICAL DATA DESK (dimensions in mm) 3/4 POWER DESK 18W Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics 2003 STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com 4/4