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TM
Micro Commercial Components
TL431ALP
Features
•
•
•
Programmable Output Voltage 36V
Sink Current Capability of 0.1mA to 100 mA
Temperature Compensated for operation over full rated operating
temperature range
Low output noise voltage and Fast turn on response
Marking Code: TL431
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
Programmable
Precision Regulator
•
•
·
·
·
TO-92
Maximum Ratings
A
E
Parameter
Symbol
Value
Unit
Cathode Voltage
Cathode Current Range
Reference Input Current Range
Power Dissipation at 25R
VKA
IK
IREF
PD
37
-100~150
0.05~10
0.7
V
mA
mA
W
B
R/W
R
Thermal Resistance junction to ambient
Junction Temperature
RθJA
TJ
178
0--150
R
R
Operating Temperature
Topr
0---70
Storage Temperature Range
TSTG
-55---+150
Recommended Operating Conditions
Parameter
Cathode Voltage
Cathode Current Range
Sym
VKA
IK
Min
VREF
1.0
Max
36
100
Unit
V
mA
C
Electrical Characteristics @ 25R Unless Otherwise Specified
Typ
Parameter
Sym
Min
Max
Test conditions
Reference Input
Voltage
2.475V
2.500V
2.525V
Vref
Deviation of
reference input
voltage
Ratio of Change in
Reference Input
Voltage to the
Change in Cathode
Voltage
D
3.0mV
-1.4
17mV
-2.7
T
min!Ta!Tmax
Vref(dev)
bVKA=10V,Vref
b[VKA=36V,10V
bVref/
bVKA
1. (R) REFERENCE
2. (A) ANODE
-1.0
-2.0
1
2
3. (K) CATHODE
3
IKA=10mA,
R1=10KĀꢀ R2=$
Reference Input
Current
1.8µA
4.0µA
Iref
G
Deviation of
DIMENSIONS
IKA=10mA,
R1=10KĀꢀ R2=$[
TA=full Temperature
bIref/
bT
Reference Input
Current Over Full
Temperature Range
Minimum Cathode
Current for
Regulation
Off-State Cathode
Current
0.4µA
1.2µA
INCHES
MM
DIM
A
B
C
D
MIN
.175
.175
.500
.016
.135
.095
MAX
MIN
4.45
4.46
12.7
0.41
3.43
2.42
MAX
4.70
4.70
---
NOTE
.185
.185
---
0. 5mA
1.0mA
IKA(min)
.020
.145
.105
0.63
3.68
2.67
E
G
0.26µA
0.22Ā
1.0µA
0.5Ā
IKA(off)
ZKA
VKA=36V, VREF=0V
IKA=10 to 100mA,
f!1.0KHz
Dynamic Impedance
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Revision: A
2011/01/01