ZXSC310
Maximum battery life solution
(Notes)
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
Value
U1
N/A
Q1
N/A
R1
330m⍀
L1
100H8
8See Application section.
Part
Number
ZXSC310E5
FMMT617
Generic
Manufacture
Zetex Plc
Zetex Plc
Various
Comments
Single cell converter, SOT23-5
Low VCE(SAT) NPN, SOT23
0805 Size
Surface mount inductor
PROVISIONAL ISSUE A - SEPTEMBER 2001
8