MCC
TM
Micro Commercial Components
omponents
20736 Marilla Street Chatsworth
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TL431LP
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
Lead Free Finish/RoHS Compliant ("P" Suffix designates
RoHS Compliant. See ordering information)
Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0 and MSL Rating 1
Marking:TL431
Programmable
Precision Shunt
Regulator
0D[LPXP 5DWLQJV # 7 $SSOLHV 8QOHVV 2WKHUZLVH 1RWHG
457
Parameter
Symbol
Input Voltage (Vo=5.8V)
V1
Cathode Current Range(Continuous)
IKA
Reference Input Current Range
I ref
Power Dissipation
PD
Operating Junction Temperature
TOPR
Storage Temperature Range
TSTG
Value
37
-100-+150
0.05-+10
A
Unit
V
mA
mA
mW
770
E
B
:
:
0---70
-55---+150
(OHFWULFDO &KDUDFWHULVWLFV # °& 8QOHVV 2WKHUZLVH 6SHFLILHG
Parameter
Reference Input
Voltage
Sym
Vref
Deviation of reference
input voltage
æ V /æ 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
æ V /æ
ref
Typ
Max
2.44V
2.50V
2.55V
4.5mV
17mV
-1.0
-2.7
VKA=VREF, IKA=10mA
æV =
10VV
æ V = I =10mA
36V10V
I =10mA, R1=10K
R2=
I =10mA, R1=10Kè
R2=
VKA=VREF, IKA=10mA
Tmin Ta Tmax
KA
D
KA
VKA
-0.5
-2.0
Iref
1.5uA
4uA
æI / æT
0.4uA
1.2uA
ref
C
Test conditions
ref
ref
KA
1
KA
IKA(min)
Off-State Cathode
Current
IKA(OFF)
ZKA
2
1. REFERENCE
2. ANODE
3. CATHODE
3
KA
TA=full Temperature
Minimum Cathode
Current for Regulation
Dynamic Impedance
Min
0.45m
A
0.05uA
0.15
è
1.0mA
1.0uA
0.5
è
G
DIMENSIONS
VKA=VREF
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
DIM
A
B
C
D
E
G
INCHES
MIN
.175
.175
.500
.016
.135
.095
MAX
.185
.185
--.020
.145
.105
MM
MIN
4.45
4.46
12.7
0.41
3.43
2.42
MAX
4.70
4.70
--0.63
3.68
2.67
NOTE
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1 of 3
2010/12/11
MCC
TL431LP
TM
Micro Commercial Components
Fig. 2 – Reference Voltage
vs. Temperature
Fig. 1 – Cathode Current
vs. Cathode Voltage
1000
2.58
VZ = VREF
TA = 25°C
600
IZ(MIN)
400
200
0
-200
-400
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
VREF max
2.52
VREF typ
2.50
2.48
2.46
VREF min
2.44
2.40
-40
3.0
-20
0
20
40
60
80
100
Cathode Voltage (V)
Temperature (°C)
Fig. 3 – Reference Input Current
vs. Temperature
Fig. 4 – Dynamic Impedance
vs. Temperature
1.20
120
0.28
R1=10KΩ
R2= ∞
IZ=10mA
1.10
0.24
Dynamic Impedance (Ω)
1.15
Reference Input Current (µA)
2.54
2.42
-800
-1.0
1.05
1.00
0.95
0.90
0.85
0.80
VZ = VREF
IZ = 1mA to 100mA
F ≤ 1KHZ
0.20
0.16
0.12
0.08
0.04
0.75
0.70
-40
-20
0
20
40
60
80
100
0.00
--40
120
--20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
Fig. 5 – Change in Reference Voltage
vs. Cathode Voltage
Fig. 6 – Off-State Cathode Current
vs. Temperature
0
120
2.5
Off-State Cathode Current (µA)
Change In Reference Voltage (mV)
TL431
VZ = VREF
IZ = 10mA
2.56
Reference Voltage (V)
Cathode Current (µA)
800
--2
IZ=10mA
TA=25°C
--4
--6
--8
--10
5
10
15
20
25
30
35
VZ=VREF
VZ=30V
1.5
1.0
0.5
0.0
--40
--12
0
2.0
40
-20
0
20
40
60
80
100
120
Temperature (°C)
Cathode Voltage (V)
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Revision: 3
2 of 3
2010/12/11
MCC
TM
Micro Commercial Components
Ordering Information
Device
Packing
(Part Number)-AP
Tape&Reel;2Kpcs/Box
(Part Number)-BP
Bulk;1Kpcs/Bag
***IMPORTANT NOTICE***
Micro Commercial Components Corp . reserves the right to make changes without further notice to any
product herein to make corrections, modifications , enhancements , improvements , or other changes .
Micro Commercial Components Corp . does not assume any liability arising out of the application or
use of any product described herein; neither does it convey any license under its patent rights ,nor
the rights of others . The user of products in such applications shall assume all risks of such use
and will agree to hold Micro Commercial Components Corp . and all the companies whose
products are represented on our website, harmless against all damages.
***APPLICATIONS DISCLAIMER***
Products offer by Micro Commercial Components Corp . are not intended for use in Medical,
Aerospace or Military Applications.
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2010/12/11