EVALCOMBI-TDA 16888
EVALCOMBI-TDA 16888 Datasheet
be synchronized over a wider frequency range, a synchronization by means of the sink current at pin 16 ROSC has to be preferred to a synchronization by means of pin 12 SYNC . Anyhow, please note, that pin 12 SYNC is not meant to permanently shutdown both PFC and PWM section. It can be used to halt the oscillator freezing the prevailing state of both drivers but does not allow to automatically shut them down. A
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EVALCOMBI-TDA 16888 |
EVALCOMBI-TDA 16888 (pdf) |
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TDA16888GGEGHUMA1 |
TDA16888GGEGHUMA1 |
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TDA16888G |
TDA16888G |
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TDA16888 |
TDA16888 |
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| Datasheet, V2.0, 28 Feb 2000 PWM+PFC Combi IC TDA 16888 / TDA 16888G High Performance Power Combi Controller Power Conversion Never stop thinking. TDA 16888/ TDA 16888G 2000-02-28 Previous Version: Datasheet For questions on technology, delivery and prices please contact the Infineon Technologies Offices in Germany or the Infineon Technologies Companies and Representatives worldwide see our webpage at CoolMOS , CoolSET are trademarks of Infineon Technologies AG. Edition 2000-02-28 Published by Infineon Technologies AG, St.-Martin-Strasse 53, D-81541 München Infineon Technologies AG 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 Technologies is 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. High Performance Power Combi Controller TDA 16888 Overview PFC Section IEC 1000-3 compliant Additional operation mode as auxiliary power supply Fast, soft switching totem pole gate drive 1 A Dual loop control average current and voltage sensing Leading edge triggered pulse width modulation Peak current limitation Topologies of PFC preconverter are boost or flyback Continuous/discontinuous mode possible 94% maximum duty cycle P-DIP-20-5 P-DSO-20-1 /-6 /-7 PWM Section Improved current mode control Fast, soft switching totem pole gate drive 1 A Soft-start management Trailing edge triggered pulse width modulation Topologies of PWM converter are feed forward or flyback 50% maximum duty cycle to prevent transformer saturation fPWM = fPFC Type w TDA 16888 w TDA 16888 G w New type Ordering Code Q67000-A9284-X201-K5 Q67000-A9310-A702 Package P-DIP-20-5 P-DSO-20-1 Version 28 Feb 2000 TDA 16888 Special Features High power factor Typical 50 µA start-up supply current Low quiescent current 15 mA Undervoltage lockout with internal stand-by operation Internally synchronized fixed operating frequency ranging from 15 kHz to 200 kHz External synchronization possible Shutdown of both outputs externally triggerable Peak current limitation Overvoltage protection Average current sensing by noise filtering General Remarks The TDA 16888 comprises the complete control for power factor controlled switched mode power supplies. With its PFC and PWM section being internally synchronized, it applies for off-line converters with input voltages ranging from 90 V to 270 V. While the preferred topologies of the PFC preconverter are boost or flyback, the PWM section can be designed as forward or flyback converter. In order to achieve minimal line current gaps the maximum duty cycle of the PFC is about The maximum duty cycle of the PWM, however, is limited to 50% to prevent transformer saturation. Version 28 Feb 2000 TDA 16888 P-DIP-20-5 P-DSO-20-1 PFC IAC 1 VREF 2 PFC CC 3 PFC CS 4 GND S 5 PFC CL 6 GND 7 PFC OUT 8 VCC 9 PWM OUT 10 20 AUX VS 19 PFC VS 18 PFC VC 17 PFC FB 16 ROSC 15 PWM RMP 14 PWM IN 13 PWM SS 12 SYNC 11 PWM CS AEP02461 PFC IAC 1 VREF PFC CC 3 PFC CS 4 GND S 5 PFC CL 6 GND 7 PFC OUT 8 PWM OUT 10 20 19 18 17 16 15 14 13 12 11 AEP02486 AUX VS PFC VS PFC VC PFC FB ROSC PWM RMP PWM IN PWM SS SYNC PWM CS Figure 1 Pin Configuration top view Version 28 Feb 2000 TDA 16888 Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Pin Definitions and Functions Function PFC IAC |
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