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DN67 Datasheet Preview

DN67 Datasheet

ZXSC400 solution for 1W high powered LED

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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




Zetex Semiconductors

DN67 Datasheet Preview

DN67 Datasheet

ZXSC400 solution for 1W high powered LED

No Preview Available !

DN67
Reference Part number
U1 ZXSC400E6
Q1 FMMT617
D1 ZHCS2000
D2 LXHL-NW98
L1 DO1608C-332
C1 GRM42-6X5R226K6.3
C2 GRM42-6X5R226K6.3
R1(1)
R2
Value
3.3H
22F
22F
17m
0.82
Manufacturer
Zetex
Zetex
Zetex
Lumileds
Coilcraft
Murata
Murata
Generic
Generic
Table 1 Bill of materials
NOTES:
(1) Actual in-circuit value, see notes overleaf
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
Additional BoM
AD1 - 5V6
R3 - 1K
Figure 3 Open circuit protection
www.zetex.com
2 Issue 3 - July 2006
© Zetex Semiconductors plc 2006


Part Number DN67
Description ZXSC400 solution for 1W high powered LED
Maker Zetex Semiconductors
Total Page 4 Pages
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