AN7812R
Fixed Positive Standard Regulator, 12VBIPolar, PSFM4, SIL-4AN7812R
Fixed Positive Standard Regulator, 12VBIPolar, PSFM4, SIL-4
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Manufacturer Part # : AN7812R
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Package/Case: TO1264
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Brand: Panasonic Electric Works
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Quality Assurance
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All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.






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.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
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

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Interested Parts
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.
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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