AN7812R

Effective Inventory3,666

Fixed Positive Standard Regulator, 12VBIPolar, PSFM4, SIL-4

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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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Maintain the goods in their original condition as received.

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About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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AN7812R DataSheet

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AN7812R Description

The AN7812R is a 1A voltage regulator chip commonly used in electronic circuits to provide a stable 12V power supply.

Pin Details

The AN7812R is a linear voltage regulator with 8 pins for half-duplex communication. It includes pins for receiving, driving, and enabling signals, along with power supply and ground connections.

Pin configuration

  • Pin 1 (VOUT): Output Voltage
  • Pin 2 (ADJ): Adjustable Input Voltage
  • Pin 3 (GND): Ground
  • Pin 4 (VIN): Input Voltage
  • Pin 5 (EN): Enable Pin
  • Pin 6 (COMP): Compensation Pin
  • Pin 7 (CS): Current Sense Pin
  • Pin 8 (VCC): Positive Power Supply

Features

  • High ESD Protection: Offers up to ±15kV ESD protection, ensuring durability in harsh conditions.
  • Low Power Consumption: Optimized for low power usage, ideal for battery-powered devices.
  • Wide Temperature Range: Operates efficiently between -40°C and +125°C.
  • Fast Data Rates: Supports speeds up to 50Mbps for high-performance communication.
  • Reliable Communication: Ensures stable data transmission in noisy environments with its robust RS-485 transceiver.

Applications

The AN7812R is commonly used in industrial, automotive, and building automation systems where reliable power supply and communication are crucial.

Where to Use:

This product can be used in various applications such as:

  • Industrial control systems
  • Automotive electronics
  • Building automation systems
  • Medical devices

Manufacturer

The AN7812R is manufactured by Texas Instruments (TI), a global leader in semiconductor technology.

Packages

The AN7812R comes in an 8-pin SOIC-8 (Small Outline Integrated Circuit) package. This package is designed for surface-mount technology, offering a compact and efficient solution for integrating the transceiver into electronic circuits.

Equivalent Parts of AN7812R

  • SN65HVD75: A comparable RS-485 transceiver from Texas Instruments with similar features and performance.
  • ADM4851: An alternative RS-485 transceiver from Analog Devices that offers equivalent functionality.

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 Obsolete Part Package Code SFM
Pin Count ! 4 ECCN Code EAR99
HTS Code ! 8542.39.00.01 Adjustability FIXED
Dropout Voltage1-Nom 2 V Input Voltage Absolute-Max 35 V
Input Voltage-Max 30 V Input Voltage-Min 14.5 V
JESD-30 Code R-PSFM-T4 Line Regulation-Max 0.24%
Load Regulation-Max 0.24% Number of Functions 1
Number of Outputs 1 Number of Terminals 4
Operating Temperature TJ-Max 125 °C Output Current1-Max 1 A
Output Voltage1-Max 12.6 V Output Voltage1-Min 11.4 V
Output Voltage1-Nom 12 V Package Body Material PLASTIC/EPOXY
Package Equivalence Code SIP4,.05,90 Package Shape RECTANGULAR
Package Style FLANGE MOUNT Qualification Status ! Not Qualified
Regulator Type FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR Surface Mount ! NO
Technology BIPOLAR Terminal Form ! THROUGH-HOLE
Terminal Pitch ! 2.3 mm Terminal Position SINGLE
Voltage Tolerance-Max 5%

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 AN7812R PDF Download

FAQs

What is AN7812R?

The AN7812R is a positive voltage regulator integrated circuit (IC) designed to provide a regulated output voltage of +12V. It is commonly used to power various electronic circuits and devices that require a stable and reliable power supply.

How Does AN7812R Work?

The AN7812R works by taking an unregulated input voltage, typically from a higher voltage source, and regulating it to a stable +12V output voltage. The IC uses internal circuitry to maintain the output voltage regardless of fluctuations in the input voltage or load conditions. It provides a fixed output voltage suitable for powering components within a circuit.

How Many Pins does AN7812R have and What are the Functions of the Pinout Configuration?

The AN7812R is typically housed in a 3-pin TO-220 package. The pinout configuration includes:

  • Input (VIN): Pin for connecting the unregulated input voltage.
  • Ground (GND): Ground pin for the IC.
  • Output (+12V): Regulated +12V output pin.

What are the Pros and Cons of AN7812R?

Pros:

  • Regulated Output: Provides a stable +12V output voltage for reliable operation of electronic components.
  • Simple Design: Easy to use with minimal external components required for operation.
  • Overcurrent Protection: Built-in protection features help prevent damage in case of overcurrent conditions.

Cons:

  • Heat Dissipation: May require a heat sink for efficient heat dissipation, especially when dealing with higher input-output differentials.
  • Power Consumption: The regulator itself consumes some power, which may be a consideration in low-power applications.

Are There Any Equivalents/Alternatives to AN7812R for Recommendation?

  • The LM7812 from Texas Instruments is an equivalent voltage regulator IC with similar specifications.
  • Alternatives to the AN7812R include the L7812CV from STMicroelectronics and the UA7812 from Fairchild Semiconductor.

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