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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

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

Side-by-side technical parameter comparison of related primary models in this product family.

This PartAlternate PartsAlternate PartsAlternate Parts
Package / CaseTO-243AA--TO-226-3, TO-92-3TO-226-3, TO-92-3
Mounting TypeSurface Mount--Through HoleThrough Hole
Operating Temperature0°C ~ 125°C--0°C ~ 125°C-40°C ~ 125°C
Max Input Voltage27V--20V20V
Number of Regulators1--11
Output ConfigurationPositive--PositivePositive
Output Current100mA--100mA100mA
Output TypeFixed--FixedFixed
Output Voltage12V--2.6V5V
Protection FeaturesOver Current, Over Temperature, Reverse Polarity, Short Circuit--Over Current, Over Temperature, Reverse Polarity, Short CircuitOver Current, Over Temperature, Reverse Polarity, Short Circuit
PSRR42dB (120Hz)--51dB (120Hz)49dB (120Hz)
Voltage Dropout1.7V @ 40mA--1.7V @ 40mA1.7V @ 40mA
Action

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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