78L12A The STMicroelectronics 78L12A is a fixed voltage regulator providing a 12V output with a maximum current of 100mA. It includes thermal overload protection and short circuit current limiting.
Mfr Part #:

78L12A

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics 78L12A is a fixed voltage regulator providing a 12V output with a maximum current of 100mA. It includes thermal overload protection and short circuit current limiting.
✓ Total Stock: 900 pcs
$ Price Range: $0.30

78L12A Available from 1 distributor

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✓ Non-Authorised
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900 pcs
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78L12A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Industrial Grade
Input Voltage
Lead Spacing
Lead Style
Medical Grade
Military Grade
Power Dissipation
Quiescent Current
SVHC Present
Tape & Reel

78L12A Description

Short technical summary and product information.

The 78L12A from STMicroelectronics is a monolithic integrated circuit voltage regulator designed for applications requiring a stable supply up to 100mA. It features a fixed output voltage of 12V and incorporates essential protection mechanisms such as thermal overload protection and short circuit current limiting, making it a robust choice for various electronic designs.

 

This regulator is suitable for local or on-card regulation, helping to eliminate noise and distribution problems associated with single-point regulation. The device operates within a junction temperature range of -20°C to +120°C and has a maximum input voltage rating of 35V. Its power dissipation is rated at 400mW.

 

The 78L12A is available in an SOP-8 package, designed for surface mounting. The datasheet specifies a maximum output current of 100mA and includes electrical characteristics such as load regulation, line regulation, quiescent current, and ripple rejection, providing detailed performance metrics for design engineers.

 

Key electrical parameters include a typical output voltage of 12V with tight regulation limits, a typical quiescent current of 2mA, and a typical dropout voltage of 1.7V. The device also offers a typical ripple rejection of 42dB, contributing to cleaner power delivery in sensitive circuits.

78L12A Quick Information

Product Type: Fixed Voltage Regulator
Series: L78L
Canonical Name: 78L12A Fixed Voltage Regulator
Subcategory: Linear Regulator

78L12A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

78L12A Estimated Pricing

Qty Low High
1+ $0.30 $0.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

78L12A Features

  • Fixed 12V output voltage.
  • Maximum output current of 100mA.
  • Includes thermal overload protection.
  • Short circuit current limiting feature.
  • SOP-8 surface mount package.

78L12A Applications

  • Local on-card voltage regulation.
  • Noise reduction in power supplies.
  • Power distribution stabilization.
  • General purpose voltage regulation.

78L12A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the nominal output voltage of the 78L12A?

The nominal output voltage of the 78L12A is 12V.

What is the maximum output current for the 78L12A?

The maximum output current for the 78L12A is 100mA.

What is the package type for the 78L12A?

The 78L12A is available in an SOP-8 package.

What is the maximum input voltage for the 78L12A?

The maximum input voltage for the 78L12A is 35V.

What is the typical dropout voltage of the 78L12A?

The typical dropout voltage of the 78L12A is 1.7V.

What is the maximum quiescent current of the 78L12A?

The maximum quiescent current of the 78L12A is 5.5mA.

What is the junction temperature range for the 78L12A?

The junction temperature range for the 78L12A is -20°C to +120°C.

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