L78M10CDT

Product Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize the output voltage in electronic circuits
• Characteristics:
  • Provides a fixed output voltage of 10V
  • Can handle a maximum input voltage of 35V
  • Offers a maximum output current of 0.5A
• Package: TO-220 package
• Essence: Integrated circuit voltage regulator
• Packaging/Quantity: Available in reels or tubes, quantity depends on supplier

Specifications

• Input Voltage Range: Up to 35V
• Output Voltage: 10V (fixed)
• Output Current: Up to 0.5A
• Dropout Voltage: 2V (typical)
• Line Regulation: 0.04% (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-220

Detailed Pin Configuration

The L78M10CDT has three pins:

1. Input Pin (Pin 1): Connects to the input voltage source.
2. Ground Pin (Pin 2): Connected to the ground reference of the circuit.
3. Output Pin (Pin 3): Provides the regulated output voltage.

Functional Features

• Regulates and stabilizes the output voltage within a specified range.
• Provides protection against overcurrent and thermal overload.
• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• Internal short-circuit current limiting protects the device from excessive current flow.

Advantages and Disadvantages

Advantages

• Simple and easy to use.
• Provides a stable output voltage.
• Offers protection against overcurrent and thermal overload.
• Suitable for a wide range of applications.
• Cost-effective solution for voltage regulation.

Disadvantages

• Fixed output voltage may not be suitable for all applications.
• Limited maximum output current of 0.5A.
• Dropout voltage of 2V may result in higher power dissipation.

Working Principles

The L78M10CDT is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly to maintain a stable output voltage. The device also incorporates protection features such as overcurrent and thermal overload protection.

Detailed Application Field Plans

The L78M10CDT can be used in various electronic circuits where a stable 10V voltage source is required. Some common application areas include:

1. Power supply circuits for microcontrollers and other digital ICs.
2. Audio amplifiers and preamplifiers.
3. Battery charging circuits.
4. Voltage regulators for automotive electronics.
5. Industrial control systems.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with a wide input voltage range.
2. LM7805: Fixed 5V voltage regulator with higher output current capability.
3. LM1117: Low dropout voltage regulator with adjustable or fixed output voltage options.
4. LT1083: High current, adjustable voltage regulator with low dropout voltage.
5. LM2940: Low dropout voltage regulator with adjustable or fixed output voltage options.

These alternative models offer different features and specifications, providing flexibility for various voltage regulation requirements.

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