TL431LP
Programmable
Precision Shunt
Regulator
0,9:708
0D[LPXP 5DWLQJV # 7
457
$SSOLHV 8QOHVV 2WKHUZLVH 1RWHG
Parameter Symbol Value Unit
Input Voltage (Vo=5.8V) V137 V
Operating Junction Temperature TOPR 0---70
:
Storage Temperature Range TSTG -55---+150
:
(OHFWULFDO &KDUDFWHULVWLFV # 
°
& 8QOHVV 2WKHUZLVH 6SHFLILHG
Parameter Sym Min Typ Max Test conditions
Reference Input
Voltage Vref 2.44V 2.50V 2.55V VKA=VREF, IKA=10mA
Deviation of reference
input voltage
æ
Vref/
æ
T 4.5mV 17mV VKA=VREF, IKA=10mA
Tmin
Ta
Tmax
-1.0 -2.7
æ
VKA=
10V
Vref
Ratio of Change in
Reference Input
Voltage to the Change
in Cathode Voltage
æ
Vref/
æ
VKA -0.5 -2.0
æ
VKA=
36V
10V
IKA=10mA
Reference Input
Current Iref 1.5uA 4uA
IKA=10mA, R1=10K
R2=
Deviation of
Reference Input
Current Over Full
Temperature Range
æ
Iref/
æ
T 0.4uA 1.2uA
IKA=10mA, R1=10K
è
R2=
TA=full Temperature
Minimum Cathode
Current for Regulation IKA(min) 0.45m
A1.0mA VKA=VREF
Off-State Cathode
Current IKA(OFF) 0.05uA 1.0uA
VKA=36V, VREF=0V
Dynamic Impedance ZKA 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
omponents
20736 Marilla Street Chatsworth
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MCC
www.mccsemi.com
Revision: D 2013/01/01
TM
Micro Commercial Components
1 of 3
• 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)
• Marking:TL431
Cathode Current Range(Continuous) I KA
-100-+150 mA
Reference Input Current Range Iref 0.05-+10 mA
Power Dissipation PD 770 mW
• Epoxy meets UL 94 V-0 flammability rating
• Moisture Sensitivity Level 1
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .175 .185 4.45 4.70
B .175 .185 4.45 4.70
C .500 --- 12.70 ---
D .016 .020 0.41 0.63
E .135 .145 3.43 3.68
.095.1052.422.67 Straight Lead
AE
B
C
D
G
123
123BENT LEADSTRAIGHT LEAD
BULK PACK AMMO PACK
* For ammo packing detailed specification, click here to visit our website
of product packaging for details.
.173.2204.405.60 Bent Lead
G
DIMENSIONS
1. (R) REFERENCE
2. (A) ANODE
3. (K) CATHODE
TO-92
Halogen free available upon request by adding suffix "-HF"
•
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
0.75
0.70
1.20
Fig. 3 – Reference Input Current
vs. Temperature
Reference Input Current (µA)
Temperature (°C)
-40 -20 0 20 40 60 80 100 120 --40 --20 0 20 40 60 80 100 120
R1=10KΩ
R2=
∞
IZ=10mA
IZ=10mA
TA=25°C
VZ= VREF
IZ= 1mA to 100mA
F≤ 1KHZ
VZ=VREF
VZ=30V
0.28
0.24
0.20
0.16
0.12
0.08
0.04
0.00
Fig. 4 – Dynamic Impedance
vs. Temperature
Dynamic Impedance (Ω)
Temperature (°C)
510152025303540
Fig. 5 – Change in ReferenceVoltage
vs. Cathode Voltage
Change In Reference Voltage (mV)
Cathode Voltage (V)
--12
--10
--8
--6
--4
--2
0
0
2.5
2.0
1.5
1.0
0.5
0.0
--40 0 604020-20 80 100 120
Fig. 6 – Off-State Cathode Current
vs. Temperature
Off-State Cathode Current (µA)
Temperature (°C)
1000
800
600
400
200
0
-200
-400
-800
Fig. 1 – Cathode Current
vs. Cathode Voltage Fig. 2 – ReferenceVoltage
vs. Temperature
Cathode Current (µA)
2.58
2.56
2.54
2.52
2.50
2.48
2.46
2.44
2.42
2.40
Reference Voltage (V)
Cathode Voltage (V) Temperature (°C)
-1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0 -40 -20 0 20 40 60 80 100 120
V
Z
= V
REF
T
A
= 25°CTL431
V
Z
= V
REF
I
Z
= 10mA
I
Z(MIN)
V
REF
max
V
REF
typ
V
REF
min
MCC
TL431LP
www.mccsemi.com
Revision: D 2013/01/01
TM
Micro Commercial Components
2 of 3
MCC
Revision: D 2013/01/01
TM
Micro Commercial Components
www.mccsemi.com
3 of 3
3
Part Number-BP Bulk: 100Kpcs/Carton
Ordering Information :
***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
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problem and encourage our customers to do their part in stopping this practice by buying direct or from authorized
distributors.
Device Packing
Part Number-AP Ammo Packing: 20Kpcs/Carton
Note : Adding "-HF" suffix for halogen free, eg. Part Number-AP-HF