MCC
TM
Micro Commercial Components
omponents
20736 Marilla Street Chatsworth
!"#
$
% !"#
TL431X
0,9:708
•
•
•
•
•
•
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
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
0D[LPXP 5DWLQJV # 7RSU $SSOLHV 8QOHVV 2WKHUZLVH 1RWHG
Parameter
Symbol
Input Voltage (Vo=5.8V)
V1
Operating Junction Temperature
TOPR
Storage Temperature Range
TSTG
Value
37
0---70
-55---+150
Unit
V
:
:
(OHFWULFDO &KDUDFWHULVWLFV # °& 8QOHVV 2WKHUZLVH 6SHFLILHG
Parameter
Reference Input
Voltage
Sym
Min
Typ
Max
Vref
2.44V
0V
2.49V
5V
2.55V
0V
4.5mV
17mV
-1.0
-2.7
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
Minimum Cathode
Current for Regulation
Off-State Cathode
Current
Dynamic Impedance
ref
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
ref
ref
KA
VKA
-0.5
-2.0
Iref
1.5uA
4uA
æI / æT
0.4uA
1.2uA
ref
Test conditions
KA
KA
C
D
G
1
SOT-89
A
K
B
E
H
J
F
2
3
1. REFERENCE
2. ANODE
3. CATHODE
KA
TA=full Temperature
IKA(min)
0.45m
A
1.0mA
VKA=VREF
IKA(OFF)
0.05uA
1.0uA
VKA=36V, VREF=0V
ZKA
Programmable
Precision
Shunt
Regulator
0.15
è
0.5
è
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
1.55
.061
25
REF.
www.mccsemi.com
Revision: A
1 of 3
2011/01/01
MCC
TL431X
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)
www.mccsemi.com
Revision: A
2 of 3
2011/01/01
MCC
TM
Micro Commercial Components
Ordering Information :
Device
Packing
Tape&Reel;1Kpcs/Reel
Part Number-TP
***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.
***LIFE SUPPORT***
MCC's products are not authorized for use as critical components in life support devices or systems without the express written
approval of Micro Commercial Components Corporation.
***CUSTOMER AWARENESS***
Counterfeiting of semiconductor parts is a growing problem in the industry. Micro Commercial Components (MCC) is taking
strong measures to protect ourselves and our customers from the proliferation of counterfeit parts. MCC strongly encourages
customers to purchase MCC parts either directly from MCC or from Authorized MCC Distributors who are listed by country on
our web page cited below. Products customers buy either from MCC directly or from Authorized MCC Distributors are genuine
parts, have full traceability, meet MCC's quality standards for handling and storage. MCC will not provide any warranty
coverage or other assistance for parts bought from Unauthorized Sources. MCC is committed to combat this global
problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized
distributors.
www.mccsemi.com
Revision: A
3 of 3
2011/01/01
4