Diodes ZXSC310 - Manual (Page 8)

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
.
S E M I C O N D U C T O R S
ZXSC310
ISSUE 3 - SEPTEMBER 2007
8
Ref Value Part Number Manufacturer Comments
U1 N/A ZXSC310E5 Zetex Semiconductors Single cell converter, SOT23-5
Q1 N/A FMMT617 Zetex Semiconductors Low V
CE(sat)
NPN, SOT23
R1 330m ⍀ Generic Various 0805 Size
L1 100 ␮H (8) Surface mount inductor
Materials list
(8) See Application section.
Maximum battery life solution
(Notes)