LX1745 データシートの表示（PDF） - Microsemi Corporation
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LX1745 Datasheet PDF : 16 Pages
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INTEGRATED PRODUCTS
LX1745
Triple Output Boost – LED Driver / LCD Bias
PRODUCTION DATASHEET
SIMPLIFIED BLOCK DIAGRAM
LFB
Reference
Logic
BRT
50pF 2.5MΩ
IN
OVP
REF
Control
Logic
Driver
Current
Limit
Shutdown
Logic
Control
Logic
Driver
DRV
SRC
GND
4µA
CS
LSHDN
SHDNx
FBx
SWx
ADJx
Reference
Logic
50pF 2.5MΩ
Current
Limit
Voltage
Reference
ADJx
Reference
Logic
50pF
2.5MΩ
Control
Logic
Driver
Current
Limit
Figure 1 – Simplified Block Diagram
FBx
SWx
Copyright 2000
Rev. 1.1a, 2004-02-06
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
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