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PDF KL431K Data sheet ( Hoja de datos )
| Número de pieza | KL431K | |
| Descripción | Programmable Precision Regulator | |
| Fabricantes | MCC | |
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MCC
TM
Micro Commercial Components
omponents
20736 Marilla Street Chatsworth
!"#
$
% !"#
TL431K
Features
• Lead Free Finish/RoHS Compliant ("P" Suffix designates
RoHS Compliant. See ordering information)
• Epoxy meets UL 94 V-0 flammability rating
• Moisure Sensitivity Level 1
• Programmable Output Voltage 36V
• Sink Current Capability of 0.1mA to 100 mA
• The typical value of the equivalent temperature factor in the whole
temperature scope is 50 ppm/oC
• Low output noise voltage and Fast turn on response
• The Reference Input Voltage tolerance is 0.5%
• Marking Code: 431K
• Halogen free available upon request by adding suffix "-HF"
Maximum Ratings
Parameter
Symbol
Value
Unit
Cathode Voltage
Cathode Current Range
Reference Input Current Range
Power Dissipation at 25к
Operating Temperature
Storage Temperature Range
VKA
IK
IREF
PD
Topr
TSTG
37
-100~150
0.05~10
0.3
-40---85
-65---+150
V
mA
mA
W
к
к
Programmable
Precision Regulator
SOT-23
A
D
1
23
CB
FE
G
1. (A) ANODE
2. (R) REFERENCE
3. (K) CATHODE
HJ
Recommended Operating Conditions
Parameter
Sym Min Max Unit
Cathode Voltage
VKA
VREF
36
V
Cathode Current Range
IK 1.0 100 mA
Electrical Characteristics @ 25°C Unless Otherwise Specified
Parameter
Sym Min Typ Max
Test conditions
Reference Input
Voltage
Vref 2.482V 2.500V 2.508V VKA=VREF, IKA=10mA
Deviation of
reference input
voltage
Ratio of Change in
Reference Input
Voltage to the
Change in Cathode
Voltage
ϦVref /
ϦT
ϦVref/
ϦVKA
4.5mV
-1.0
17mV
-2.7
VKA=VREF, IKA=10mA
TminЉTaЉTmax
ϦVKA=10VДVref
-0.5 -2.0 ϦʳVKA=36VД10V
Reference Input
Current
Deviation of
Reference Input
Current Over Full
Temperature Range
Iref
ϦIref/
ϦT
1.5µA
0.4µA
4.0µA
1.2µA
IKA=10mA,
R1=10KӨʿ R2=Ќ
IKA=10mA,
R1=10KӨʿ R2=Ќʳ
TA=full Temperature
Minimum Cathode
Current for
Regulation
IKA(min)
0. 45mA 1.0mA
Off-State Cathode
Current
IKA(off)
0.05µA 0.5µA VKA=40V, VREF=0V
Dynamic Impedance
ZKA
0.15Ө
0.5Ө
IKA=1 to 100mA,
fЉ1.0KHz
K
DIMENSIONS
INCHES
MM
DIM MIN
MAX MIN MAX
A .110 .120 2.80 3.04
B .083 .104 2.10 2.64
C
.047
.055
1.20
1.40
D .035 .041 .89 1.03
E
.070
.081
1.78
2.05
F
.018
.024
.45
.60
G
.0005
.0039
.013
.100
H .035 .044 .89 1.12
J .003 .007 .085 .180
K .015 .020 .37 .51
Suggested Solder
Pad Layout
.031
.800
NOTE
.035
.900
.079
2.000
inches
mm
.037
.950
.037
.950
Revision: B
www.mccsemi.com
1 of 6
2013/01/01
1 page  
TL431K
Change in Reference Input
Voltage versus Cathode Voltage
0
IK=10mA
Ta=25℃
-4
-8
-12
-16
-20
0
5 10 15 20 25 30 35 40
VKA, CATHODE VOLTAGE (V)
Reference Input Current versus
Ambient Temperature
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-40
-20
0 20 40 60
Ta, AMBIENT TEMPERATURE (℃)
IK=10mA
R1=10KΩ
80 100
MCC
TM
Micro Commercial Components
Test Circuit for VKA=Vref(1+R1/R2)+R1*Iref
Test Circuit for Iref
Off-State Cathode Current
versus Ambient Temperature
40
30
20
10
VKA=36V
Vref=0V
0
-40 -20 0 20 40 60 80 100
Ta, AMBIENT TEMPERATURE (℃)
Test Circuit for Ioff
www.mccsemi.com
Revision: B
5 of 6
2013/01/01
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet KL431K.PDF ] | |
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