LM7812CT/NOPB
12V 3-Pin Voltage RegulatorLM7812CT/NOPB
12V 3-Pin Voltage Regulator
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Manufacturer Part # : LM7812CT/NOPB
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Package/Case: TO220-3
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
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LM7812CT/NOPB 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!
Details
Designed to be user-friendly and cost-effective, the LM7812CT/NOPB eliminates the need for excessive external components, making it easy to implement in a variety of applications. While output bypassing may improve transient response, it is not mandatory, showcasing the regulator's versatility and adaptability. Additionally, input bypassing is only necessary if the regulator is positioned far from the power supply's filter capacitor. This attention to detail and ease of use make the LM7812CT/NOPB a popular choice for voltage regulation needs in electronics projects and industrial settings
Key Features
- The LM78L12CT/NOPB is compatible with various programming environments including C, C++ and assembly language
- This positive voltage regulator offers excellent transient response and good stability characteristics
- A unique package design ensures enhanced thermal performance and reliability
- It features a low dropout voltage and high input impedance for reliable operation under varying load conditions
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Output options | Fixed Output | Iout (max) (A) | 1.5 |
Vin (max) (V) | 30 | Vin (min) (V) | 7.5 |
Vout (max) (V) | 15 | Vout (min) (V) | 5 |
Fixed output options (V) | 5, 12, 15 | Noise (µVrms) | 40 |
Iq (typ) (mA) | 6 | Thermal resistance θJA (°C/W) | 24 |
Rating | Catalog | Load capacitance (min) (µF) | 0 |
Regulated outputs (#) | 1 | Accuracy (%) | 3 |
PSRR at 100 KHz (dB) | 48 | Dropout voltage (Vdo) (typ) (mV) | 2000 |
Operating temperature range (°C) | -40 to 125, 0 to 125 |
FAQs
What is LM7812CT/NOPB?
The LM7812CT/NOPB is a 3-terminal positive voltage regulator designed by Texas Instruments. It is part of the LM78xx series of voltage regulators and is specifically rated for a fixed output voltage of 12V. It is commonly used to provide a stable 12V power supply in a wide range of electronic circuits and applications.
How Does LM7812CT/NOPB Work?
The LM7812CT/NOPB works by taking in an unregulated input voltage, usually higher than 12V, and providing a stable 12V output voltage. It utilizes internal circuitry to regulate the output voltage regardless of variations in the input voltage and load conditions. This allows electronic circuits to receive a consistent and reliable 12V supply.
How Many Pins does LM7812CT/NOPB have and What are the Functions of the Pinout Configuration?
The LM7812CT/NOPB is housed in a standard TO-220 package with three pins:
- Input (Vin): This is the input pin where the unregulated voltage is applied. It is usually connected to the positive terminal of the power source.
- Ground (GND): This pin is connected to the common ground of the circuit.
- Output (Vout): The regulated 12V output is obtained from this pin and is connected to the positive supply rail of the circuit.
What are the Pros and Cons of LM7812CT/NOPB?
Pros:
- Stable Output: Provides a stable and regulated 12V output voltage.
- Simple to Use: Easy to connect and requires minimal external components for operation.
- Wide Application: Can be used in a variety of electronic devices and power supply circuits.
- Thermal Shutdown: Includes internal thermal shutdown and current limiting for protection against overloading and overheating.
Cons:
- Heat Dissipation: May require a heat sink for high-power applications to dissipate the heat generated during the voltage regulation process.
- Wasted Energy: The voltage drop across the regulator results in energy dissipation in the form of heat.
- Fixed Output Voltage: The output voltage cannot be reconfigured and is fixed at 12V.
Are There Any Equivalents/Alternatives to LM7812CT/NOPB for Recommendation?
Alternatives to the LM7812CT/NOPB include the L7812CV from STMicroelectronics and the UA7812 from Texas Instruments. These are also fixed 12V voltage regulators with similar functionality.
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