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LX1990 Datasheet(PDF) 6 Page - Microsemi Corporation

Part # LX1990
Description  Dual Programmable LED Current Sink
PDF  11 Pages
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Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

LX1990 Datasheet(HTML) 6 Page - Microsemi Corporation

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Microsemi
Integrated Products
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 6
Copyright
© 2001
Rev. 1.0d, 2005-03-14
LX1990
Dual Programmable LED Current Sink
TM
®
TY PI CAL CHARACT ER I S TI CS
VDD = 5V, ENA = 5V, ISET = 200µA, TA = 25°C. Unless otherwise noted.
IOUT Vs. Temperature @ ISET = 200µA
19.6
19.8
20
20.2
20.4
20.6
20.8
-45
-20530
55
80
105
130
Tem p (°C)
IOUT A @ 2.7V
IOUTB @ 2.7V
IOUTA @ 5V
IOUTB @ 5V
Output Off Leakage Current vs.VOUT ENA=0.4V
0
2
4
6
8
10
12
14
02
4
6
8
10
12
V
OUT (V)
2.7V
5V
5.5V
IOUT vs ISET
0
5
10
15
20
25
30
35
40
45
0
50
100
150
200
250
300
350
400
I
SET (µA)
2.7V
5.5V
5V
VDROPOUT vs. Current
0
5
10
15
20
25
30
35
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Dropout (V)
5mA
10mA
15mA
20mA
25mA
30mA
Output Current vs. VDD
19.9
20
20.1
20.2
20.3
20.4
20.5
20.6
20.7
2.73.7
4.75.7
VDD (V)
BOUT
AOUT
Enable to Output Response
ENA
2V /
DIV
IOUT
10mA /
DIV
10µs / DIV



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