L78M05CDT

Product Overview

Category: Voltage Regulator
Use: To regulate and stabilize the output voltage in electronic circuits
Characteristics:
- Fixed output voltage of 5V
- High current capability
- Low dropout voltage
- Thermal overload protection
Package: TO-220
Essence: Linear voltage regulator
Packaging/Quantity: Tape and reel, 2,500 units per reel

Specifications

Input Voltage Range: 7V to 35V
Output Voltage: 5V
Output Current: Up to 0.5A
Dropout Voltage: 2V (typical)
Line Regulation: ±0.2% (typical)
Load Regulation: ±0.4% (typical)
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L78M05CDT voltage regulator has three pins:

Input (VIN): Connects to the input voltage source.
Ground (GND): Connected to the ground reference.
Output (VOUT): Provides the regulated output voltage.

Functional Features

Regulates and stabilizes the output voltage to a fixed 5V.
Can handle high currents up to 0.5A.
Provides thermal overload protection, ensuring safe operation even under high temperature conditions.
Low dropout voltage minimizes power dissipation.

Advantages and Disadvantages

Advantages

Simple and easy to use.
Reliable and efficient voltage regulation.
Suitable for a wide range of applications.
Cost-effective solution.

Disadvantages

Limited output current compared to other voltage regulators.
Requires external capacitors for stability.

Working Principles

The L78M05CDT is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The L78M05CDT is commonly used in various electronic devices and applications, including:

Power supplies for microcontrollers and digital circuits.
Battery-powered devices requiring a stable 5V supply.
Automotive electronics.
Industrial control systems.
Audio amplifiers and preamplifiers.

Detailed and Complete Alternative Models

LM7805: Similar characteristics and package, but with higher output current capability (up to 1A).
MC7805: Comparable specifications and pin configuration, suitable for similar applications.
UA7805: Alternative option with similar performance and package.

These alternative models can be considered based on specific requirements and application needs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L78M05CDT v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L78M05CDT in technical solutions:

Q: What is L78M05CDT? A: L78M05CDT is a voltage regulator IC that provides a fixed 5V output voltage.
Q: What is the maximum input voltage for L78M05CDT? A: The maximum input voltage for L78M05CDT is typically around 35V.
Q: What is the maximum output current of L78M05CDT? A: The maximum output current of L78M05CDT is 500mA.
Q: Can L78M05CDT be used to regulate voltages other than 5V? A: No, L78M05CDT is specifically designed to provide a fixed 5V output.
Q: Is L78M05CDT suitable for both AC and DC input voltages? A: Yes, L78M05CDT can accept both AC and DC input voltages.
Q: Does L78M05CDT require any external components for operation? A: Yes, L78M05CDT requires input and output capacitors for stable operation.
Q: What is the typical dropout voltage of L78M05CDT? A: The typical dropout voltage of L78M05CDT is around 2V.
Q: Can L78M05CDT handle short-circuit conditions? A: Yes, L78M05CDT has built-in protection features to handle short-circuit conditions.
Q: Is L78M05CDT suitable for high-temperature environments? A: Yes, L78M05CDT can operate in a wide temperature range, typically up to 125°C.
Q: Can multiple L78M05CDT regulators be connected in parallel for higher current output? A: Yes, multiple L78M05CDT regulators can be connected in parallel to increase the overall current output capacity.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer recommendations for L78M05CDT.