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PDF DN71 Data sheet ( Hoja de datos )
| Número de pieza | DN71 | |
| Descripción | ZXSC400 Solution | |
| Fabricantes | Zetex Semiconductors | |
| Logotipo |  |
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DN71
ZXSC400 Solution for Luxeon® V Star high powered LED
Description
This design note shows the ZXSC400 driving a Luxeon® V Star LED. The input voltage ranges
from 4.2V to 5.4 V with a maximum output current of 790mA at 5V input.
A typical schematic diagram is shown in Figure 1.
VIN=4.2V to 5.4V
L1
D1
U1
Vcc Vdrive
Stdn Isense
C1
Gnd
VFB
ZXSC400
Q1
C2
R1 R2
#
Ref.
U1
Q1
D1
L1
R1
R2
C1
C2
Value
2A
22mH
22mV
350mV
220mF
450mF
Figure 1 Schematic diagram
Part number
ZXSC400E6
FZT1049
ZHCS2000
Generic
Generic
Generic
Generic
Generic
Manufacturer
Zetex
Zetex
Zetex
Generic
Generic
Generic
Generic
Generic
Table 1 Bill of materials
Comments
LED driver in SOT23-6
Low sat NPN in SOT23
2A Schottky in SOT23
ISAT = 3A
0805 size
0805 size
Issue 5 - July 2006
© Zetex Semiconductors plc 2006
1
www.zetex.com
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet DN71.PDF ] | |
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