
A Product Line of
Diodes Incorporated
ZXLD381
Block Diagram
1.5V
ZXLD381
VCC
Pulse
Control
VOUT
L1
LED
Con
Coff
Rsense
GND
Fig 1. ZXLD381 Block Diagram
Pin Description
Pin No.
1
2
3
Name
GND
V OUT
V CC
Description
Ground
Switch output external inductor/LED
Supply voltage, generally Alkaline, NiMH or NiCd single cell
ZXLD381
Document number: DS32188 Rev. 3 - 2
2 of 9
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May 2010
? Diodes Incorporated