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L79L12ACU, in 3D

L79L12ACU

STMicroelectronics

0℃~+125℃@(Tj) 1 1.7V 100mA 12V 35V 42dB@(120Hz) 6.5mA 80uV Fixed Negative Over Current Protection、Over Temperature Protection、Short Circuit Protection SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS

Extended
DatasheetJLCPCBLCSCst/L79L12ACU
Category
Voltage Regulators Linear, Low Drop Out (LDO) Regulators
Package
SOT-89-3
Pins
3

Overview

The L79L12ACU is a voltage Regulators Linear, Low Drop Out (LDO) Regulator made by STMicroelectronics in a SOT-89-3 package with 3 pins. 0℃~+125℃@(Tj) 1 1.7V 100mA 12V 35V 42dB@(120Hz) 6.5mA 80uV Fixed Negative Over Current Protection、Over Temperature Protection、Short Circuit Protection SOT-89-3 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHS.

PCBKit's library has its KiCad symbol (Pinmap_Generic:Regulator_Linear_1GND_2IN_3OUT, from PCBKit's generic symbols) and its footprint (Package_TO_SOT_SMD:SOT-89-3, from KiCad's library), ready for a KiCad board. 4,911 are in stock at JLCPCB (part C157399). 5 open-source boards in 5 repositories on GitHub use it.

Symbol

IN2OUT3GND1
Pinmap_Generic:Regulator_Linear_1GND_2IN_3OUTFrom PCBKit's generic symbols

Footprint

123
Package_TO_SOT_SMD:SOT-89-3From KiCad's library

Parameters

12
Features
Thermal shutdown
Noise
80uV
Number of Outputs
1
Operating Temperature
0℃~+125℃@(Tj)
Output Configuration
Negative
Output Current
100mA
Output Type
Fixed
Output Voltage
12V
Power Supply Rejection Ratio (PSRR)
42dB@(120Hz)
Voltage - Supply
35V
Voltage Dropout
1.7V
standby current
6.5mA

Order codes

1

Pinout

3
The pins of the L79L12ACU
PinNameType
1GNDPower in
2INPower in
3OUTPower out

Open-source boards using it

All 5
  • 4 layers130 × 140 mmPreamp, the printed circuit board in 3D

    Preamp

    djupdal/asd-amp

    275 parts1
  • 2 layers119.4 × 83.8 mmSolstrejf voiceboard core, the printed circuit board in 3D

    Solstrejf voiceboard core

    KamikazeVildsvin/Solstrejf

    4 voice analog sinewave drone oscillator with modmatrix

    128 parts1GPL-3.0
  • 4 layers64 × 40.4 mmSaleae current sensor, the printed circuit board in 3D

    Saleae current sensor

    zainahm3d/saleae-current-sensor

    +-5A and +-40A isolated hall effect current sensor solution for saleae logic devices.

    54 parts
  • 4 layers253.6 × 137.7 mmS100 Thunder186-1.0-006, the printed circuit board in 3D

    S100 Thunder186-1.0-006

    RichCini/LomasBoards

    Small repository of files/data related to Lomas Data Products S-100 boards.

    118 parts1

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Questions

Is there a KiCad symbol and footprint for the L79L12ACU?

Yes. The symbol is Pinmap_Generic:Regulator_Linear_1GND_2IN_3OUT and the footprint Package_TO_SOT_SMD:SOT-89-3, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the L79L12ACU?

SOT-89-3, with 3 pins. Its footprint is drawn on this page.

Where is the L79L12ACU datasheet?

STMicroelectronics publishes it: the Datasheet link on this page opens it.

Where can I order the L79L12ACU?

JLCPCB lists it as part C157399, with 4,911 in stock; the sellers' links on this page open their listings.

What can replace the L79L12ACU?

Parts like it in the library: the 78L12 by UMW, the L78L12ABU by STMicroelectronics, the 78L12G-AB3-R by UTC and the CJ79L12 by Jiangsu Changjing Electronics Technology (CJ). Check their datasheets: a part that fits the footprint may still differ in its ratings.

Which open-source boards use the L79L12ACU?

5 boards in 5 repositories on GitHub; the most starred are listed on this page, with their KiCad files.

Parts like it

8