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TL431K Schematic ( Datenblatt PDF ) - SeCoS

Teilenummer TL431K
Beschreibung Adjustable Shunt Regulator
Hersteller SeCoS
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Gesamt 3 Seiten
		
TL431K Datasheet, Funktion
Elektronische Bauelemente
TL431K
Adjustable Shunt Regulator
RoHS Compliant Product
Description
The TL431K series are three-terminal adjustable regulators
with guaranteed thermal stability over applicable temperature
ranges. The output voltage may be set to any value between
VREF (approximately 2.495V) and 36V with two extermal
resistors. In provides very wide applications, including shunt
regulator, series regulator, switching regulator, voltage
reference and others.
S
A
L
Top View
G
H
B
D
C
K
SC-59
Dim Min Max
A 2.70 3.10
B 1.40 1.60
C 1.00 1.30
D 0.35 0.50
G 1.70 2.10
H 0.00 0.10
J 0.10 0.26
J K 0.20 0.60
L 0.85 1.15
S 2.40 2.80
All Dimension in mm
Absolute Maximum Ratings at Ta=25oC
Parameter
Cathode Voltage
Cathode Current Range (Continuous)
Reference Input Current Range
Total Power Dissipation
Operating Junction and Storage Temperature Range
Characteristics at Ta=25oC
Parameter
Symbol
Cathode Voltage
Cathode Current
Reference Input Voltage
TL431KC
TL431KB
TL431KA
Deviation of Reference Input Voltage
Over Temperature (Note)
VKA
IKA
VREF
VREF/ T
Ratio of Change in Reference Input
Voltage to The Change in Cathode Voltage
Reference Input Current
Deviation of Reference Input Current
Over Full Temperature Range
Min. Cathode Current For Regulation
Off-State Cathode Current
VREF/ VKA
IREF
IREF/ T
IKA(min)
IKA(off)
Dynamic Impedance
IZKAl
Note: TMIN=0oC, TMAX=+70oC
Symbol
VKA
IKA
IREF
PD
Tj, Tstg
Min.
VREF
1
2.445
2.470
2.483
_
_
_
_
_
_
_
_
Typ.
_
_
2.495
2.495
2.495
4.5
-1.0
-0.5
1.5
0.4
0.45
0.05
0.15
http://www.SeCoSGmbH.com/
01-Jun-2002 Rev. B
Ratings
37
-100~+150
-0.05~+10
225
-65~+150
Unit
V
mA
mA
mW
oC
Max.
36
100
2.545
2.520
2.507
17
-2.7
-2
4
1.2
1.0
1.0
0.5
Unit Test Condition
V
mA
V VKA=VREF,IK=10mA
mV
mV/V
uA
uA
mA
uA
≤ ≤VKA=VREF,IK=10mA
TMIN TA TMAX
IK=10mA
VKA=10V~VREF
VKA=36V~10V
IK=10mA,R1=10K ,R2=
IK=10mA,R1=10K ,R2=
TA=Full Temperature
VKA=VREF
VKA=36V,VREF=0
VFKA=1VKREHF,zIK=1~100mA,
Any changing of specification will not be informed individual
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