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MCC
MCC

TL431X Datasheet Preview

TL431X Datasheet

Programmable Precision Shunt Regulator

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TL431X pdf
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MCC
TM
Micro Commercial Components
  omponents
20736 Marilla Street Chatsworth

  !"#
$ %    !"#
0,9:708
Output voltage can be adjusted to 36V
Trapping current capability is 1 to 100 mA
The effective temperature compensation in the working range of full
temperature
TL431X
Programmable
Precision Shunt
Regulator
0D[LPXP 5DWLQJV # 7457 $SSOLHV 8QOHVV 2WKHUZLVH 1RWHG
Parameter
Symbol
Value
Input Voltage (Vo=5.8V)
V1
Operating Junction Temperature TOPR
37
0---70
Storage Temperature Range
TSTG
-55---+150
Unit
::V
(OHFWULFDO &KDUDFWHULVWLFV # °& 8QOHVV 2WKHUZLVH 6SHFLILHG
Parameter
Sym Min Typ Max Test conditions
Reference Input
Voltage
Vref
2.44V
0V
2.49V
5V
2.55V
0V
VKA=VREF, IKA=10mA
Deviation of reference
input voltage
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
æ æVref/ T
æ æVref/
VKA
Iref
æ æIref/ T
4.5mV
-1.0
-0.5
1.5uA
0.4uA
17mV
-2.7
-2.0
4uA
1.2uA
VKA=VREF, IKA=10mA
Tmin Ta Tmax
æ VKA=
10V Vref
æ VKA=
36V 10V
IKA=10mA
IKA=10mA, R1=10K
R2=
èIKA=10mA, R1=10K
R2=
TA=full Temperature
Minimum Cathode
Current for Regulation
IKA(min)
0.45m
A
1.0mA VKA=VREF
Off-State Cathode
Current
Dynamic Impedance
IKA(OFF)
ZKA
0.05uA
è0.15
1.0uA
è0.5
VKA=36V, VREF=0V
VKA=VREF, IKA=1 to
100mA, f 1.0KHz
*Note: Bypass Capacitors are recommended for optimum stability and
transient response and should be located as close as possible to
the regulators
SOT-89






C

D
G





1



A
BK
E
H
F
J
23
1. REFERENCE
2. ANODE
3. CATHODE













 


 

 








































 










Revision: 2
www.mccsemi.com
2003/04/10



MCC
MCC

TL431X Datasheet Preview

TL431X Datasheet

Programmable Precision Shunt Regulator

No Preview Available !

TL431X pdf
TL431X
Fig. 1 – Cathode Current
vs. Cathode Voltage
1000
800 VZ = VREF
TA = 25°C
600
400
IZ(MIN)
200
0
-200
-400
-800
-1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0
Cathode Voltage (V)
Fig. 3 – Reference Input Current
vs. Temperature
1.20
1.15
R1=10K
R2=
1.10
IZ=10mA
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
-40 -20
0 20 40 60 80 100 120
Temperature (°C)
Fig. 5 – Change in Reference Voltage
vs. Cathode Voltage
0
--2
IZ=10mA
--4 TA=25°C
--6
--8
--10
--12
0
5 10 15 20 25 30 35 40
Cathode Voltage (V)
MCC
2.58
2.56
2.54
2.52
2.50
2.48
2.46
2.44
2.42
2.40
-40
TM
Micro Commercial Components
Fig. 2– Reference Voltage
vs. Temperature
TL431
VZ = VREF
IZ = 10mA
VREF max
VREF typ
VREF min
-20 0 20 40 60 80 100 120
Temperature (°C)
Fig. 4 – Dynamic Impedance
vs. Temperature
0.28
0.24
0.20
VZ = VREF
IZ = 1mA to 100mA
F 1KHZ
0.16
0.12
0.08
0.04
0.00
--40 --20
0 20 40 60 80 100 120
Temperature (°C)
Fig. 6 – Off-State Cathode Current
vs. Temperature
2.5
2.0
VZ=VREF
VZ=30V
1.5
1.0
0.5
0.0
--40 -20
0 20 40 60 80 100 120
Temperature (°C)
Revision: 2
www.mccsemi.com
2003/04/10


Part Number TL431X
Description Programmable Precision Shunt Regulator
Maker MCC
Total Page 2 Pages
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TL431X pdf
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