File:Ledbulbschematics.png
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| Description |
English: simplified Schematic of a 6-Watt-LED-bulb, reverse-engineered from an opened bulb. A step down switching regulator, based on the 3-terminal integrated circuit JW1782, builds a constant current source from the rectified mains voltage for the 36 series-connected LED-chips, consisting of 12 SMD-housings. The current (60mA) is set by the 5-ohm-resistor
Deutsch: vereinfachtes Schaltbild einer LED-Lampe 6 Watt. Ein Tiefsetzsteller versorgt die insgesamt 36 LED-Chips mit Konstantstrom aus dem gleichgerichteten Netz. Der Strom (60mA) wird durch den 5-Ohm-Widerstand bestimmt. Vergleiche auch [1]. |
| Date | |
| Source | Own work |
| Author | Ulfbastel |
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I, the copyright holder of this work, hereby publish it under the following licenses:
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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- ↑ http://www.dianyuan.com/upload/community/2015/03/13/1426227454-46985.pdf Datenblatt des JW1782
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:23, 26 August 2017 | | 1,119 × 537 (52 KB) | Wdwd (talk | contribs) | fix LED orientation |
| 19:58, 30 November 2016 |  | 1,119 × 537 (46 KB) | Ulfbastel (talk | contribs) | {{Information |Description ={{en|1=simplified Schematic of a 8-Watt-LED-bulb, re-engineered from the opened bulb. A step down switching regulator, based on the 3-terminal integrated circuit JW1782, builds a constant current source from the rectified... |
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