LX1691A Ver la hoja de datos (PDF) - Microsemi Corporation
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LX1691A Datasheet PDF : 15 Pages
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LX1691A
TM
®
Enhanced Multi-Mode CCFL Controller
PRODUCTION DATA SHEET
TYPICAL APPLICATION
Figure 2 – LX1691A Inverter for notebook With 8V to 20V input voltage, Various Dimming configuration
Brite Input Control Range (Linear DCV)
Min. Brite ‘Lo’ = 100mV
Max. Brite ‘Hi’ = 2.0V
Burst Rate Frequency = 117 Hz
Enable Input
Off Logic ‘Lo’ <= 0.80V
On Logic ‘Hi’ >= 1.7V
Dimming Mode
Conventional Internal Digital Dimming
Reversed Internal Digital Dimming
Conventional Analog Dimming
Reversed Analog Dimming
External Direct PWM Dimming
J1 J2 J3 J4 J5 R2 R3 R6 R7 C5
S O O O S 20K OP1 OP2 OP2 100nF
O O O S S 20K OP1 OP2 OP2 100nF
S O O O O O O OP2 OP2 100nF
O O O S O O O OP2 OP2 100nF
OS SOOOO O O O
Copyright © 2003
Rev. 1.0, 8/31/2004
Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 9
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