herunterladen

DIMM
1
2
3
6
5
4
VIN
LM3410
C
1
C
2
R
1
D
1
LEDs
L
1
R
2
User's Guide
SNVA314B–January 2008–Revised May 2013
AN-1774 LM3410X LED Driver 6-Pin LLP Demo Board
1 Introduction
The demo board included in this shipment converts 2.7V to 5.5V input, and illuminates four 50mA LED’s in
series using the LM3410X 1.6MHz LED driver switching converter. This is a 2-layer board using the
bottom layer as a Ground plane.
A bill of materials (see Section 2) describes the parts used on this demo board. A schematic and layout
have also been included below along with measured performance characteristics. The above restrictions
for the input voltage are valid only for the demo board as shipped with the demo board schematic below.
Operatiing Conditions
V
IN
= 2.7V to 5.5V
V
O
≊ V
F
x 4 + V
FB
≊ 3.6V x 4 + 0.198V ≊ 14.4V
I
O
= 50mA
Figure 1. LM3410X 6-Pin LLP Schematic
All trademarks are the property of their respective owners.
1
SNVA314B–January 2008–Revised May 2013 AN-1774 LM3410X LED Driver 6-Pin LLP Demo Board
Submit Documentation Feedback
Copyright © 2008–2013, Texas Instruments Incorporated
Verzeichnis