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DN67 - ZXSC400 solution for 1W high powered LED

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Description

The ZXSC400, although designed for small LEDs in LCD backlighting, is sufficiently flexible to provide an efficient 1W solution producing a nominal 350mA constant current source from 2 NiMH or NiCd cells.

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Datasheet Details

Part number DN67
Manufacturer Zetex Semiconductors
File Size 122.28 KB
Description ZXSC400 solution for 1W high powered LED
Datasheet download datasheet DN67 Datasheet
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DN67 ZXSC400 solution for 1W high powered LED Mike Farley, Field Applications Engineer. December 2003 Description The ZXSC400, although designed for small LEDs in LCD backlighting, is sufficiently flexible to provide an efficient 1W solution producing a nominal 350mA constant current source from 2 NiMH or NiCd cells. Figure 1 Schematic diagram Figure 2 Performance graphs Issue 3 - July 2006 © Zetex Semiconductors plc 2006 1 www.zetex.com DN67 Reference U1 Q1 D1 D2 L1 C1 C2 R1(1) Part number ZXSC400E6 FMMT617 ZHCS2000 LXHL-NW98 DO1608C-332 GRM42-6X5R226K6.3 GRM42-6X5R226K6.3 Value Manufacturer Zetex Zetex Zetex Lumileds Contact details www.zetex.com www.zetex.com www.zetex.com www.lumileds.com www.coilcraft.com www.murata.com www.murata.com NA NA 3.3␮H 22␮F 22␮F 17m⍀ 0.
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