TL431ALP
Features
•
•
•
Programmable Output Voltage 36V
Sink Current Capability of 0.1mA to 100 mA
Low Output Noise Voltage and Fast Turn On Response
•
Temperature Compensated for Operation over Full Rated
Operating Temperature Range
•
Epoxy Meets UL 94 V-0 Flammability Rating
•
Moisture Sensitivity Level 1
•
•
Halogen Free Available Upon Request By Adding Suffix "-HF"
Lead Free Finish/RoHS Compliant ("P" Suffix designates RoHS
Compliant. See ordering information)
Programmable
Precision Regulator
Maximum Ratings
Parameter
Symbol
Value
Unit
VKA
37
V
IK
-100~150
mA
Reference Input Current Range
IREF
0.05~10
mA
Power Dissipation at 25 ℃
PD
0.7
W
RθJA
178
℃/W
TJ
0~150
℃
Operating Temperature
Topr
0~70
℃
Storage Temperature Range
TSTG
-55~150
℃
Cathode Voltage
Cathode Current Range
Thermal Resistance junction to ambient
Junction Temperature
TO-92
A
E
B
G
1
2
3
C
Recommended Operating Conditions
Parameter
Symbol Min
Cathode Voltage
Cathode Current Range
Max Unit
VKA
VREF
36
V
IK
1
100
mA
Marking Code: TL431
D
DIM
1
1
2
3
2
A
B
C
D
E
3
STRAIGHT LEAD BENT LEAD
BULK PACK AMMO PACK
G
DIMENSIONS
INCHES
MM
NOTE
MIN MAX MIN MAX
0.169 0.185 4.30 4.70
0.169 0.185 4.30 4.70
0.500 ----- 12.70 ----0.015 0.022 0.38 0.55
0.130 0.146 3.30 3.70
0.095 0.105 2.42 2.67 Straight Lead
0.173 0.220 4.40 5.60
Bent
1. (R) REFERENCE
2. (A) ANODE
3. (K) CATHODE
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TL431ALP
Electrical Characteristics @ 25°C (Unless Otherwise Specified)
Parameter
Reference Input Voltage
Symbol
Test Conditions
Vref
Min
Typ
Max
Unit
2.475
2.5
2.525
V
mV
Deviation of Reference Input Voltage Vref(dev)
Tmin≤Ta≤Tmax
3.0
17
Ratio of Change in Reference Input
Voltage to the Change in Cathode
Voltage
△VKA=10V~Vref
-1.4
-2.7
△VKA=36V~10V
-1.0
-2.0
IKA=10mA,
R1=10KΩ , R2=∞
1.8
4.0
μA
IKA=10mA,
R1=10KΩ , R2=∞
TA=full Temperature
0.4
1.2
μA
0.5
1
mA
Reference Input Current
△Vref /
△VKA
Iref
Deviation of Reference Input
Current Over Full Temperature
Range
△Iref /
△T
Minimum Cathode Current for
Regulation
IKA(min)
Off-State Cathode Current
IKA(off)
VKA=36V, VREF=0V
0.26
1
μA
ZKA
IKA=10 to 100mA,
f≤1.0KHz
0.22
0.5
Ω
Dynamic Impedance
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TL431ALP
Ordering Information
Device
Packing
Part Number-AP
Ammo Packing: 20Kpcs/Carton
Part Number-BP
Bulk: 100Kpcs/Carton
Note : Adding "-HF" Suffix for Halogen Free, eg. Part Number-BP-HF
Adding "-HF" Suffix for Halogen Free, eg. Part Number-AP-HF
***IMPORTANT NOTICE***
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***CUSTOMER AWARENESS***
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