INTEGRATED PRODUCTS
LX1744
Dual Output Boost – LED Driver / LCD Bias
PRODUCTION DATASHEET
SIMPLIFIED BLOCK DIAGRAM
LFB
BRT
Reference
Logic
50pF 2.5MΩ
Control
Logic
Driver
DRV
SRC
GND
4µA
CS
IN
OVP
REF
ADJ
Reference
Logic
50pF 2.5MΩ
Shutdown
Logic
Control
Logic
Driver
4µA
LSHDN
SHDN
FB
SW
Figure – Simplified Block Diagram
Copyright © 2000
Rev. 1.1b, 2005-03-01
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
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