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
AE
B
C
D
G
DIMENSIONS
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .175 .185 4.45 4.70
B .175 .185 4.46 4.70
C .500 --- 12.7 ---
D .016 .020 0.41 0.63
E .135 .145 3.43 3.68
G .095 .105 2.42 2.67
3. CATHODE
2. ANODE
1. REFERENCE
12
3
omponents
20736 Marilla Street Chatsworth
!"#
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MCC
www.mccsemi.com
Revision: B 2012/01/20
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
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: B 2012/01/20
TM
Micro Commercial Components
2 of 3
MCC
Revision: B 2012/01/20
TM
Micro Commercial Components
www.mccsemi.com
3 of 3
3
Part Number-BP Bulk: 100Kpcs/Carton
Ordering Information :
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approval of Micro Commercial Components Corporation.
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Device Packing
Part Number-AP Ammo Packing: 20Kpcs/Carton
