MC7812BDTRKG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Fixed Output, Positive Voltage Regulator
• Package: TO-252-3 (DPAK)
• Essence: Linear Regulator
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Input Voltage Range: 14V to 35V
• Output Voltage: 12V
• Output Current: Up to 1A
• Dropout Voltage: 2V (maximum)
• Line Regulation: 0.04% (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. Input Voltage (VIN)
2. Ground (GND)
3. Output Voltage (VOUT)

Functional Features

• Provides a stable and regulated output voltage of 12V.
• Suitable for various applications requiring a fixed positive voltage.
• Offers protection against overcurrent and thermal overload.
• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation characteristics.

Advantages

• Easy to use and integrate into electronic circuits.
• Compact package allows for space-saving designs.
• Wide input voltage range enables flexibility in power supply selection.
• High reliability and long lifespan.
• Cost-effective solution for voltage regulation needs.

Disadvantages

• Limited output current capacity (up to 1A).
• Requires external capacitors for stability.
• Not suitable for applications requiring adjustable output voltage.

Working Principles

The MC7812BDTRKG is a linear voltage regulator that operates by using a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage of 12V. The regulator dissipates excess voltage as heat, resulting in a dropout voltage of up to 2V.

Detailed Application Field Plans

The MC7812BDTRKG is commonly used in various electronic devices and systems that require a stable 12V power supply. Some typical application fields include: - Power supplies for microcontrollers and digital circuits. - Automotive electronics. - Industrial control systems. - Audio amplifiers. - Battery charging circuits.

Detailed and Complete Alternative Models

• LM7812: Similar fixed positive voltage regulator with TO-220 package.
• UA7812: Another fixed 12V linear regulator available in TO-220 package.
• L78M12CV: Positive voltage regulator with 12V output and TO-220 package.
• NJM7812FA: Fixed output voltage regulator with TO-220F package.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

This entry provides an overview of the MC7812BDTRKG, a fixed 12V voltage regulator integrated circuit. It includes basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.