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Power Management ICs
Shunt Regulators
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SC431
SC431: Adjustable Shunt Regulator
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Features
Wide operating current range 130 µA to 150 mA
Low dynamic output impedance 0.25 Ω typ.
Trimmed bandgap design ± 0.5%
Alternate for TL1431, TL431, LM431 & AS431
Industrial temperature range
Available in SOT-23-3 and SO-8 packages
Diagrams
Typical Application Circuit
Click diagram to enlarge
Applications
Linear regulators
Adjustable supplies
Switching power supplies
Battery-operated computers
Instrumentation
Computer disk drives
Packaging
SOIC-8, SOT-23-3
Order Codes
SC431CS-.5 TR: Package Minimum Tape & Reel Only
SC431CS-.5 TRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
SC431CS-1.TR: Package Minimum Tape & Reel Only
SC431CS-1.TRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
SC431CS-2.TR: Package Minimum Tape & Reel Only
SC431CS-2.TRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
SC431CSK-.5 TR: Package Minimum Tape & Reel Only
SC431CSK-.5TRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
SC431CSK-1.TR: Package Minimum Tape & Reel Only
SC431CSK-1TRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
SC431CSK-2.TR: Package Minimum Tape & Reel Only
SC431CSK-2TRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Datasheets
SC431 Datasheet
(PDF 231KB, 12/05)