lx1991 Microsemi Corporation, lx1991 Datasheet - Page 7
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lx1991
Manufacturer Part Number
lx1991
Description
Six Output Programmable Led Current Sink
Manufacturer
Microsemi Corporation
Datasheet
1.LX1991.pdf
(9 pages)
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Copyright © 2001
Rev. 1.1, 10/27/2005
I S I N K V S V S I N K A N D T E M P E R A T U R E
I S I N K V S V D D A N D T E M P E R A T U R E
C S L O P E = 2 5 0 0 P F R E S P O N S E
20.4
20.3
20.2
20.1
19.9
19.8
19.7
Channel 2 = SINK
TM
VDD=5V ,CSLOPE = 2500pF, Chan 1 = 20Khz DIG_DIM
30.5
30.4
30.3
30.2
29.9
29.8
29.7
29.6
29.5
20
30.1
30
-45
-45
-25
-25
SINK
VDD = 5V, R
X
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
X
= 10mA/DIV, Load = single white LED
-5
= 3V; R
-5
Temp (°C)
VDD=5.5V
Tem p (°C)
SINKx=5V
15
SET
SET
1 5
=
= 1.54KΩ
SINKx=1V
1.02KΩ
35
35
VDD=4.5V
55
55
SINKx=3V
VDD=5V
75
75
Integrated Products
®
Microsemi
Six Output Programmable LED Current Sink
Channel 2 = SINK
I S I N K V S V D D A N D T E M P E R A T U R E
20.5
20.4
20.3
20.2
20.1
19.9
19.8
19.7
19.6
19.5
800
700
600
500
400
300
200
100
D R O P O U T V S T E M P E R A T U R E
VDD=5V, CSLOPE = 470pF, Chan 1 = 100Khz DIG_DIM
C S L O P E = 4 7 0 P F R E S P O N S E
20
-45
-45
Photo Step = Direct Light Input of 14.6µW/cm
P
RODUCTION
-25
-25
X
= 10mA/DIV, Load = single white LED per channel
VDD = 5V, R
Load = 10kΩ and 1µF
-5
-5
Temp (°C)
Temp (°C)
D
VDD=5.5V
ISINK=30MA
15
15
SET
ATA
= 1.54KΩ
VDDx=4.5V
S
35
35
HEET
ISINK=10MA
55
55
2
VDD=5V
75
75
LX1991
Page 7