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UBA2016AP датащи(PDF) 42 Page - NXP Semiconductors |
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UBA2016AP датащи(HTML) 42 Page - NXP Semiconductors |
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42 / 42 page ![]() NXP Semiconductors UBA2016A/15/15A 600 V fluorescent lamp driver © NXP B.V. 2011. All rights reserved. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com Date of release: 20 May 2011 Document identifier: UBA2016A_15_15A Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. 16. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1 3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 5 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3 6 Pinning information . . . . . . . . . . . . . . . . . . . . . . 5 6.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 6.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 5 7 Functional description . . . . . . . . . . . . . . . . . . . 6 7.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 7.2 Power Factor Correction (PFC) . . . . . . . . . . . . 6 7.2.1 Regulation loop. . . . . . . . . . . . . . . . . . . . . . . . . 7 7.2.2 Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 7.3 Half-bridge driver . . . . . . . . . . . . . . . . . . . . . . . 8 7.3.1 VDD supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7.3.2 Low- and high-side drivers . . . . . . . . . . . . . . . . 9 7.3.3 Non-overlap . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7.4 Fluorescent lamp control . . . . . . . . . . . . . . . . 10 7.4.1 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7.4.2 Standby. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7.4.3 Oscillating states (Preheat, Ignition and Burn) 12 7.4.4 Preheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 7.4.5 Ignition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.4.6 Auto-restart . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.4.7 Burn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.4.7.1 Lamp current control and dimming . . . . . . . . . 15 7.4.7.2 Operation without lamp current control. . . . . . 17 7.4.7.3 Boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7.4.8 Stop state . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 7.5 Enable and Disable . . . . . . . . . . . . . . . . . . . . 18 7.6 Protection circuits . . . . . . . . . . . . . . . . . . . . . . 18 7.6.1 End-of-life rectifying lamp detection . . . . . . . . 18 7.6.2 End-of-life overvoltage detection . . . . . . . . . . 19 7.6.3 Capacitive mode detection . . . . . . . . . . . . . . . 19 7.6.4 Hard switching regulation (UBA2016A) . . . . . 20 7.6.5 Hard switching protection . . . . . . . . . . . . . . . . 20 7.6.6 Coil saturation protection . . . . . . . . . . . . . . . . 22 7.6.7 Lamp overcurrent protection. . . . . . . . . . . . . . 22 7.6.8 Lamp overvoltage protection . . . . . . . . . . . . . 22 7.6.9 Lamp removal detection . . . . . . . . . . . . . . . . . 22 7.6.10 Temperature protection. . . . . . . . . . . . . . . . . . 22 7.6.11 Fault timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 7.6.12 Brownout protection . . . . . . . . . . . . . . . . . . . . 23 8 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 24 9 Thermal characteristics . . . . . . . . . . . . . . . . . 25 10 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 25 11 Application information . . . . . . . . . . . . . . . . . 31 11.1 Connecting the IC in an application . . . . . . . . 31 11.2 Without lamp current regulation or dimming . 32 11.3 With lamp current regulation and dimming . . 36 12 Package outline. . . . . . . . . . . . . . . . . . . . . . . . 37 13 Revision history . . . . . . . . . . . . . . . . . . . . . . . 39 14 Legal information . . . . . . . . . . . . . . . . . . . . . . 40 14.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 40 14.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 14.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . 40 14.4 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 41 15 Contact information . . . . . . . . . . . . . . . . . . . . 41 16 Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 |
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