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ICs for Consumer Electronics Controller for Switch Mode Power Supplies Supporting Low Power Standby and Power Factor Correction TDA 16846/TDA 16847 Data Sheet 2000-01-14 TDA 16846/TDA 16847 Revision History: Current Version: 2000-01-14 Previous Version: 1999-07-05 Page (in previous Version) 3 Page (in current Version) 3, 28 Subjects (major changes since last revision) P-DSO package added Edition 01.00 Published by Infineon Technologies AG i. Gr., St.-Martin-Strasse 53 D-81541 Mьnchen © Infineon Technologies AG 2000 All Rights Reserved. Attention please! The information herein is given to describe certain components and shall not be considered as warranted characteristics. Terms of delivery and rights to technical change reserved. We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. Infineon Technologiesis an approved CECC manufacturer. Information For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in Germany or our Infineon Technologies Representatives worldwide (see address list). Warnings Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered. Controller for Switch Mode Power Supplies Supporting Low Power Standby and Power Factor Correction Preliminary Data TDA 16846 TDA 16847 Bipolar IC 1 1.1 · · · · · · · · · · · · · Overview Features Line Current Consumption with PFC P-DIP-14-3 Low Power Consumption Stable and Adjustable Standby Frequency Very Low Start-up Current Soft-Start for Quiet Start-up Free usable Fault Comparators Synchronization and Fixed Frequency Facility P-DSO-14-3 Over- and Undervoltage Lockout Switch Off at Mains Undervoltage Temporary high power circuit (only TDA 16847) Mains Voltage Dependent Fold Back Point Correction Continuous Frequency Reduction with Decreasing Load Adjustable and Voltage Dependent Ringing Suppression Time Ordering Code Q67000-A9377 Q67000-A9378 Q67006-A9430 Q67006-A9412 Package P-DIP-14-3 P-DIP-14-3 P-DSO-14-3 P-DSO-14-3 Type TDA 16846 TDA 16847 TDA 16846G TDA 16847G 1.2 Description The TDA 16846 is optimized to control free running or fixed frequency flyback converters with or without Power Factor Correc