ZXSC310
Maximum brightness solution
(Notes)
V
BATT
L1
U1
V
CC
V
DRIVE
S
TDN
I
SENSE
G
ND
D1
Q1
ZHCS1000
FMMT617
D2
C1
R1
ZXSC310
This circuit provides a continuous current output to the
LED by rectifying and buffering the DC-DC output. This
ensures maximum LED brightness.
Materials list
Ref
U1
Q1
D1
R1
C1
L1
(8)
Value
N/A
N/A
1A
100m
2.2 F
100µH
(8)
Part Number
ZXSC310E5
FMMT617
ZHCS1000
Generic
Generic
Manufacturer
Zetex Plc
Zetex Plc
Zetex Plc
Various
Various
Comments
Single cell converter, SOT23-5
Low
VCE(sat)
NPN, SOT23
1A Shottky diode, SOT23
0805 Size
Low ESR ceramic capacitor
Surface mount inductor
See Application section.
ISSUE 3 - SEPTEMBER 2007
7
SEMICONDUCTORS
DIODES [ DIODES INCORPORATED ]
