TL431ALP
Programmable
Precision Regulator
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
Parameter Symbol Value Unit
Cathode Voltage VKA 37 V
Cathode Current Range IK-100~150 mA
Reference Input Current Range IREF 0.05~10 mA
Power Dissipation at 25кPD0.7 W
Thermal Resistance junction to ambient RθJA 178 к/W
Junction Temperature TJ0--150 к
Operating Temperature Topr 0---70 к
Storage Temperature Range TSTG -55---+150 к
Recommended Operating Conditions
Parameter Sym Min Max Unit
Cathode Voltage VKA VREF 36 V
Cathode Current Range IK1.0 100 mA
Electrical Characteristics @ 25кUnless Otherwise Specified
Parameter Sym Min Typ Max Test conditions
Reference Input
Voltage Vref 2.475V 2.500V 2.525V
Deviation of
reference input
voltage Vref(dev) 3.0mV 17mV
TminЉTaЉTmax
-1.4 -2.7
ϦVKA=10VДVref
Ratio of Change in
Reference Input
Voltage to the
Change in Cathode
Voltage
ϦVref/
ϦVKA -1.0 -2.0
ϦʳVKA=36VД10V
Reference Input
Current Iref 1.8µA 4.0µAIKA=10mA,
R1=10KӨʿ R2=Ќ
Deviation of
Reference Input
Current Over Full
Temperature Range
ϦIref/
ϦT 0.4µA 1.2µAIKA=10mA,
R1=10KӨʿ R2=Ќʳ
TA=full Temperature
Minimum Cathode
Current for
Regulation IKA(min) 0. 5mA 1.0mA
Off-State Cathode
Current IKA(off) 0.26µA 1.0µAVKA=36V, VREF=0V
Dynamic Impedance ZKA 0.22Ө0.5ӨIKA=10 to 100mA,
fЉ1.0KHz
Revision: D 2013/01/01
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Maximum Ratings
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
www.mccsemi.com
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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"
MCC
Revision: D 2013/01/01
TM
Micro Commercial Components
www.mccsemi.com
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3
Part Number-BP Bulk: 100Kpcs/Carton
Ordering Information :
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Device Packing
Part Number-AP Ammo Packing: 20Kpcs/Carton