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L78L12ACZ-AP The STMicroelectronics L78L12ACZ-AP is a linear voltage regulator IC offering a fixed 12V output with a maximum current of 100mA. It comes in a TO-92-3 through-hole package.
Mfr Part #:

L78L12ACZ-AP

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L78L12ACZ-AP is a linear voltage regulator IC offering a fixed 12V output with a maximum current of 100mA. It comes in a TO-92-3 through-hole package.
✓ Total Stock: 24,740 pcs
$ Price Range: $0.28

L78L12ACZ-AP Available from 3 distributors

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Fe Components ✓
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16,000 pcs
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6,740 pcs
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6740 pcs On Request 1 On Request On Request On Request On Request On Request
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2,000 pcs
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2000 pcs On Request 1 On Request On Request 0342+ On Request On Request
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L78L12ACZ-AP Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Protection Features
Quiescent Current
SVHC Present
Supplier Device Package
Supply Current
Tape & Reel
Voltage
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L78L12ACZ-AP Description

Short technical summary and product information.

The STMicroelectronics L78L12ACZ-AP is a positive voltage regulator IC designed to provide a stable 12V output. It can deliver up to 100mA of current, making it suitable for various general electronics applications.

 

Key electrical specifications include an input voltage range up to 35V, a quiescent current of 6mA, and a supply current of 6.5mA. The device features built-in protection against over current, over temperature, and short circuits, enhancing reliability. It also offers a Power Supply Ripple Rejection (PSRR) of 42dB at 120Hz.

 

This regulator operates within a temperature range of 0°C to 125°C. It is housed in a TO-92-3 through-hole package, identified as TO-226-3, TO-92-3 (TO-226AA). The simplified pinout consists of input, ground, and output.

 

Applications for the L78L12ACZ-AP include power supplies, embedded systems, instrumentation, and consumer products. It is ideal for providing regulated 12V rails for microcontrollers, sensor excitation, battery-powered circuits, and analog sections requiring clean power.

L78L12ACZ-AP Quick Information

Product Type: Linear Voltage Regulator
Series: L78L
Canonical Name: STMicroelectronics L78L12ACZ-AP Linear Voltage Regulator
Subcategory: Linear

L78L12ACZ-AP Compliance

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

L78L12ACZ-AP Estimated Pricing

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1+ $0.28 $0.28

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

L78L12ACZ-AP Features

  • Provides a fixed 12V output.
  • Maximum output current of 100mA.
  • Input voltage up to 35V.
  • TO-92-3 through-hole package.
  • Includes over current protection.

L78L12ACZ-AP Applications

  • Suitable for microcontroller power rails.
  • Used for sensor excitation circuits.
  • Ideal for battery-powered devices.
  • Provides clean 12V for analog sections.
  • Applicable in general electronics.

L78L12ACZ-AP FAQs

7 frequently asked questions generated from this part’s specifications.
What are the input and output voltage specifications of the L78L12ACZ-AP?

The L78L12ACZ-AP has a maximum input voltage of 35V and a fixed output voltage of 12V.

What package is the L78L12ACZ-AP available in?

The L78L12ACZ-AP is offered in a TO-92-3 through-hole package, also referred to as TO-226-3.

What is the operating temperature range of the L78L12ACZ-AP?

The operating temperature range is 0°C to 125°C.

What is the output current capability of the L78L12ACZ-AP?

The output current is 100mA.

What protection features does the L78L12ACZ-AP include?

It includes over current, over temperature, and short circuit protection.

What is the quiescent current of the L78L12ACZ-AP?

The quiescent current is 6mA.

What is the PSRR of the L78L12ACZ-AP?

The power supply rejection ratio is 42dB at 120Hz.

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