Datasheet TL431A, TL431B, NCV431A, NCV431B, SCV431A (ON Semiconductor)

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Programmable Precision References TL431A, B Series, Pin 1. Reference 2. Anode NCV431A, B Series, 3. Cathode 1 1 SCV431A 2 2 3 3 STRAIGHT LEAD BENT LEAD The TL431A, B integrated circuits are three-terminal BULK PACK TAPE & REEL AMMO PACK programmable shunt regulator diodes. These monolithic IC voltage
TO-92 TO-92
references operate as a low temperature coefficient zener which is
LP SUFFIX LPRA, LPRE, LPRM,
programmable from Vref to 36 V with two external resistors. These
CASE 29-10 LPRP SUFFIX
devices exhibit a wide operating current range of 1.0 mA to 100 mA
CASE 29-10
with a typical dynamic impedance of 0.22 W. The characteristics of these references make them excellent replacements for zener diodes in
PDIP-8
many applications such as digital voltmeters, power supplies, and op
P SUFFIX CASE 626
amp circuitry. The 2.5 V reference makes it convenient to obtain 8 a stable reference from 5.0 V logic supplies, and since the TL431A, 1
Micro8
E B operates as a shunt regulator, it can be used as either a positive or
DM SUFFIX
negative voltage reference.
CASE 846A
Cathode 1 8 Reference
Features
• N/C 2 7 N/C Programmable Output Voltage to 36 V N/C 3 6 • Anode Voltage Reference Tolerance: ±0.4%, Typ @ 25 °C (TL431B) N/C 4 5 N/C • Low Dynamic Output Impedance, 0.22 W Typical • (Top View) Sink Current Capability of 1.0 mA to 100 mA • Equivalent Full-Range Temperature Coefficient of 50 ppm/°C Typical 8 Cathode 1 8 Reference • Temperature Compensated for Operation over Full Rated Operating 1 2 7 Temperature Range Anode Anode
SOIC-8
3 6 • Low Output Noise Voltage
D SUFFIX
N/C 4 5 N/C •
CASE 751
NCV/SCV Prefixes for Automotive and Other Applications (Top View) Requiring Unique Site and Control Change Requirements; This is an internally modified SOIC-8 package. Pins 2, 3, 6 and AEC-Q100 Qualified and PPAP Capable 7 are electrically common to the die attach flag. This internal • lead frame modification increases power dissipation capability These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS when appropriately mounted on a printed circuit board. This Compliant modified package conforms to all external dimensions of the standard SOIC-8 package.
ORDERING INFORMATION
See detailed ordering and shipping information on page 13 of this data sheet. NOTE: Some of the device on this data sheet have been
DISCONTINUED
. Please refer to the table on page 14
DEVICE MARKING INFORMATION
See general marking information in the device marking section on page 14 of this data sheet. © Semiconductor Components Industries, LLC, 1995
1
Publication Order Number:
November, 2025 − Rev. 45 TL431/D