L7912ACV

3-pin TO-220AB tube regulator offering a stable -12V output with a maximum current rating of 1.5A
3,166 Effective Inventory

L7912ACV

Effective Inventory3,166

3-pin TO-220AB tube regulator offering a stable -12V output with a maximum current rating of 1.5A

  • Manufacturer Part # : L7912ACV

  • Package/Case: TO-220-3

  • Brand: STMicroelectronics

  • Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Quality Assurance

Quality Assurance

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Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

Shipping & Payment

About Shipping

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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L7912ACV DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $0.549 $0.55
10 $0.462 $4.62
50 $0.419 $20.95
100 $0.375 $37.50
500 $0.351 $175.50
1000 $0.336 $336.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

Rapid Quote

Please submit RFQ for L7912ACV or email to us: Email: [email protected], we will contact you in 12 hours.

Details

When it comes to negative voltage regulation, the L7912ACV is a top choice in the industry. Available in TO-220, TO-220FP, and D²PAK packages, this regulator offers fixed output voltages and the ability to deliver over 1.5 A of output current. With on-card regulation capabilities, the L7912ACV eliminates common distribution issues associated with single point regulation. Additionally, its compatibility with the L78 positive standard series makes it ideal for split power supply applications. For adjustable voltages and currents, external components can be easily integrated with the L7912ACV, giving users flexibility and customization options for their specific needs

Key Features

  • The device has a high efficiency and low noise operation
  • The L79 series provides a wide range of voltage regulator options
  • It features thermal shutdown protection for reliable operation
  • The part is designed for automotive, industrial, and consumer applications
  • The device has overvoltage protection and current limiting capabilities
  • The L79 series is available in various package options and pinouts

Application

  • Power Management

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Part Life Cycle Code Active Part Package Code SFM
Pin Count ! 3 Reach Compliance Code not_compliant
ECCN Code EAR99 HTS Code ! 8542.39.00.01
Factory Lead Time 54 Weeks Adjustability FIXED
Dropout Voltage1-Nom 1.1 V Input Voltage Absolute-Max 35 V
Input Voltage-Max 30 V Input Voltage-Min 14.5 V
JESD-30 Code R-XSFM-T3 JESD-609 Code e3
Line Regulation-Max 0.24% Load Regulation-Max 0.24%
Moisture Sensitivity Level 3 Number of Functions 1
Number of Outputs 1 Number of Terminals 3
Operating Temperature TJ-Max 125 °C Operating Temperature TJ-Min
Output Current1-Max 1.5 A Output Voltage1-Max 12.5 V
Output Voltage1-Min 11.5 V Output Voltage1-Nom 12 V
Package Body Material UNSPECIFIED Package Code TO-220
Package Equivalence Code SIP3,.1TB Package Shape RECTANGULAR
Package Style FLANGE MOUNT Packing Method TUBE
Qualification Status ! Not Qualified Regulator Type FIXED NEGATIVE SINGLE OUTPUT STANDARD REGULATOR
Surface Mount ! NO Technology BIPOLAR
Terminal Finish MATTE TIN Terminal Form ! THROUGH-HOLE
Terminal Pitch ! 2.54 mm Terminal Position SINGLE
Voltage Tolerance-Max 4.2%

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification L7912ACV PDF Download

FAQs

What is L7912ACV?

The L7912ACV is a negative voltage regulator IC manufactured by STMicroelectronics. It is part of the L79 series of three-terminal voltage regulators and is designed to provide a fixed output voltage of -12V with high accuracy and low dropout voltage.

How Does L7912ACV Work?

The L7912ACV works by regulating the input voltage to a stable -12V output voltage. It maintains a constant voltage difference between the input and output terminals, ensuring a reliable and consistent -12V output for powering various electronic circuits and components.

How Many Pins does L7912ACV have and What are the Functions of the Pinout Configuration?

The L7912ACV is housed in a TO-220 package with 3 pins. The pinout configuration includes:

  • INPUT (VIN): Input voltage pin.
  • GND: Ground pin.
  • OUTPUT (VOUT): Output voltage pin (-12V).

What are the Pros and Cons of L7912ACV?

Pros:

  • Fixed Voltage Output: Provides a stable output voltage of -12V.
  • High Accuracy: Offers precise voltage regulation for reliable performance.
  • Low Dropout Voltage: Ensures efficient regulation even when the input voltage is close to the output voltage.

Cons:

  • Heat Dissipation: May require a heat sink for adequate heat dissipation due to power loss during voltage regulation.
  • Negative Voltage Only: Designed for regulating negative voltage output, limiting its versatility in certain applications.

Are There Any Equivalents/Alternatives to L7912ACV for Recommendation?

  • The LM7912CT from Texas Instruments is a comparable negative voltage regulator offering -12V output.
  • Alternatives to the L7912ACV include the MC7912CT from ON Semiconductor and the UA7912CKC from Fairchild Semiconductor.

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