lx1990 Microsemi Corporation, lx1990 Datasheet - Page 7

• Manufacturer Part Number: lx1990
• Description: Dual Programmable Led Current Sink
• Manufacturer: Microsemi Corporation

Copyright © 2001
Rev. 1.0d, 2005-03-14
ON/OFF
TM
Figure 2 – Auto Dashboard
or Instrument Front Panel
LED Array
Figure 3 – Color LCD Display &
Keypad Illumination
1.25V
D0
D1
D2
D3
O UT
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
+5V
Figure 4 – Variable Current Driver
4K
VDD
ENA
ISET GND
I
I
O UTB
O UTA
.1µF
W HT
ON/OFF
A P P L I C A T I O N S
Integrated Products
®
Microsemi
ON/OFF
GRN
GRN
O pen Collector or
Open Drain Drive
Dual Programmable LED Current Sink
4K
3.3V
ENA
VDD
ISET GND
+5V
I
I
O UTB
O UTA
100K
4K
VDD
ENA
ISET G ND
I
I
O UTB
O UTA
Up to 10 Volts
LX1990
LOAD
.1µF
V
LO AD
Page 7