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SSL1623PH Datasheet(PDF) 18 Page - NXP Semiconductors |
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SSL1623PH Datasheet(HTML) 18 Page - NXP Semiconductors |
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18 / 18 page ![]() NXP Semiconductors SSL1623PH SMPS IC for mains LED drivers © NXP B.V. 2010. 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: 13 September 2010 Document identifier: SSL1623PH Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. 19. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1 3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 4 Quick reference data . . . . . . . . . . . . . . . . . . . . . 2 5 Ordering information . . . . . . . . . . . . . . . . . . . . . 2 6 Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 3 7 Pinning information . . . . . . . . . . . . . . . . . . . . . . 4 7.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 7.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 4 8 Functional description . . . . . . . . . . . . . . . . . . . 5 8.1 Start-up and undervoltage lockout . . . . . . . . . . 5 8.2 Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 8.3 Duty factor control . . . . . . . . . . . . . . . . . . . . . . 5 8.4 Valley switching . . . . . . . . . . . . . . . . . . . . . . . . 6 8.5 Demagnetization. . . . . . . . . . . . . . . . . . . . . . . . 7 8.6 Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 8.6.1 Overcurrent protection . . . . . . . . . . . . . . . . . . . 7 8.6.2 Short-winding protection . . . . . . . . . . . . . . . . . . 7 8.6.3 Overtemperature protection . . . . . . . . . . . . . . . 7 8.6.4 Overvoltage protection . . . . . . . . . . . . . . . . . . . 8 8.7 Characteristics of the complete LED power supply . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8.7.1 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8.7.2 Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8.7.3 Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8.7.4 Ripple . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 9 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 8 10 Thermal characteristics . . . . . . . . . . . . . . . . . . 9 11 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 9 12 Application information. . . . . . . . . . . . . . . . . . 11 13 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 12 14 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 13 15 Legal information. . . . . . . . . . . . . . . . . . . . . . . 14 15.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 14 15.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 15.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 15.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 15 16 Contact information. . . . . . . . . . . . . . . . . . . . . 15 17 Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 18 Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 19 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 |
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