ZXSC310
(Notes)
Maximum battery life solution
To ensure optimum efficiency, and therefore
maximum battery life, the LED is supplied with a pulsed
current. Maximum efficiency is ensured with the
removal of rectifier losses experienced in the
maximum brightness solution.
Materials list
Ref
U1
Q1
R1
L1
Value
N/A
N/A
330m
100 H
(8)
Part Number
ZXSC310E5
FMMT617
Generic
Manufacturer
Zetex Semiconductors
Zetex Semiconductors
Various
Comments
Single cell converter, SOT23-5
Low V
CE(sat)
NPN, SOT23
0805 Size
Surface mount inductor
(8)
See Application section.
ISSUE 3 - SEPTEMBER 2007
SEMICONDUCTORS
8