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Texas Instruments UA78L12ACPK Microcontrollers

12V 100mA LDO Voltage Regulator, SOT-89

3,814 ActiveTexas InstrumentsUA78LTO-243AA$0.25
UA78L12ACPK TO-243AA package illustration

Same model may have multiple batches, images only for reference.

UA78L12ACPK
Manufacturer
Part Number (MPN)
UA78L12ACPK
Base Model
Detailed Description
12V 100mA LDO Voltage Regulator, SOT-89
Package
TO-243AA
Lifecycle Status
Active
Datasheet
PDF UA78L12ACPK Datasheet
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Ordering Code Family

UA78L groups multiple orderable suffixes under one base device. Compare package, grade, and reel options on the base-number page before substituting within the family.

65 ordering variants listed on the family page.

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Technical Specifications

Texas Instruments UA78L12ACPK Microcontrollers technical specifications.

General

RoHS
Yes
Package / Case
TO-243AA
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 125°C
Lifecycle Status
Active
Output Type
Fixed
Max Input Voltage
27V
Output Current
100mA
Output Configuration
Positive
Output Voltage
12V

Related Parts Comparison (UA78L12ACPK vs UA78L05CDR vs UA78L02ACLPE3 vs UA78L05AILPE3)

Side-by-side specifications of related catalog parts.

Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.

This PartRelated PartRelated PartRelated Part
Package / CaseTO-243AADTO-226-3, TO-92-3TO-226-3, TO-92-3
Operating Temperature0°C ~ 125°C-40 °C ~ 125 °C0°C ~ 125°C-40°C ~ 125°C
Max Input Voltage27V20 V20V20V
Number of Regulators1111
Output Current100mA100 mA100mA100mA
Output TypeFixedFixedFixedFixed
Output Voltage12V5 V2.6V5V
Voltage Dropout1.7V @ 40mA1.7 V1.7V @ 40mA1.7V @ 40mA
Mounting TypeSurface Mount--Through HoleThrough Hole
Lifecycle StatusActive--ActiveActive
Output ConfigurationPositive--PositivePositive
PackageSOT-89 (PK)-3--TO-226-3, TO-92-3 (TO-226AA)TO-226-3, TO-92-3 (TO-226AA)
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Cross Reference

Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .

Suggested replacements

MC78L12ACPRAGMC78L12ACPRAGonsemi
Similaronsemi
Pin NoPkg NoElec Mixed
Linear Voltage Regulator IC Positive Fixed 1 Output 100mA TO-92 (TO-226)

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