Programmable Output Voltage Dynamic Output Impedance Sink Current Capa

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Programmable Output Voltage Dynamic Output Impedance Sink Current Capa

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PROGRAMMABLE PRECISION REFERENCES FEATURES
Programmable Output Voltage Dynamic Output Impedance Sink Current Capability Equivalent Full-Range Temperature Coefficient ppm/ Temperature Compensated Operation over Full Rated Operating Temperature Range Output Noise Voltage Fast Turn Respons TO-92, SOP- SOT-89 SOT-23 packages
TL431 CONNECTIONS View
SOT-23
SOT-89
SOP-8
TO-92
DESCRIPTION
TL431 three-terminal adjustable regulator series with guaranteed thermal stability over applicable temperature ranges. output voltage value between Vref (approximately volts) volts with external resistors. These devices have typical dynamic output impedance 0.2. Active output circuitry provides very sharp turn-on characteristic, making these devices excellent replacement zener diodes many applications. TL431 characterized operation from
SYMBOL
FUNCTIONAL BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
(Operating temperature range applies unless otherwise specified) Characteristic Cathode Voltage Cathode Current Range (Continuous) Reference Input Current Range Power Dissipation SOP, Package C/W) Package C/W) Junction Temperature Range Operating Temperature Range Storage Temperature Range
Symbol IREF
Value -100 0.05 +150
Unit
Tstg
INTEGRAL
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PROGRAMMABLE PRECISION REFERENCES RECOMMENDED OPERATING CONDITIONS
Characteristic Cathode Voltage Cathode Current Symbol Test Condition VREF
TL431
Unit
ELECTRICAL CHARACTERISTICS
VREF, 10mA unless otherwise specified) Characteristic Reference Input Voltage Symbol VREF Test Condition VREF, 10mA TL431 TL431-A TL431-C Deviation Reference Input Voltage Over Full Temperature Range Ratio Change Reference Input Voltage Change Cathode Voltage Reference Input Current Deviation Reference Input Current Over Full Temperature Range Minimum Cathode Current Regulation Off-State Cathode Current Dynamic Impedance VREF(dev) Tmin Tmax 2.440 2.470 2.482 2.495 2.495 2.495 2.550 2.520 2.508 Unit
IREF IREF(dev)
10V-VREF 36V- 10K, 10K,
-1.4 -1.0
-2.7 -2.0 mV/V
IK(min) IK(off) VREF 10mA 1.0KHz
0.25 0.26 0.22
TEST CIRCUITS
Fig.1. Test Circuit VREF Fig.2. Test Circuit VREF
INPUT
Fig.3. Test Circuit Ioff
(OFF)
TL431
TL431 BT432
TL431
INTEGRAL
info@integralkorea.com
PROGRAMMABLE PRECISION REFERENCES
TL431
LAYOUT
Chip size: 0,81x 0,76 size Unit
LOCATION
Unit: Name Description Reference Anode Cathode
-314
-299 -275 -299
PHYSICAL CHARACTERISTIC Wafes Wafes width Scribe width Passivation Backside metallization
(4") ±20µm Without metallization
INTEGRAL
info@integralkorea.com
PROGRAMMABLE PRECISION REFERENCES
TL431
Ordering Information
Product Number Reference Input Voltage Package
TL431CL TL431CD TL431CS-23 TL431CS-89 TL431AL TL431AD TL431AS-23 TL431CS-89 TL431L TL431D TL431S-23 TL431CS-89
0.5%
TO-92 8-SOP SOT-23 SOT-89 TO-92 8-SOP SOT-23 SOT-89 TO-92 8-SOP SOT-23 SOT-89
INTEGRAL
info@integralkorea.com

Programmable Output Voltage Dynamic Output Impedance Sink Current Capa

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