L78L24ACD

Product Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize the output voltage in electronic circuits
• Characteristics: Low dropout voltage, high current capability, thermal overload protection
• Package: DIP (Dual Inline Package)
• Essence: Integrated circuit voltage regulator
• Packaging/Quantity: Available in tape and reel packaging, quantity varies depending on supplier

Specifications

• Input Voltage Range: 7V to 30V
• Output Voltage: 24V
• Output Current: Up to 100mA
• Dropout Voltage: 1.7V (typical)
• Operating Temperature Range: -40°C to +125°C
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Quiescent Current: 5mA (typical)

Detailed Pin Configuration

The L78L24ACD voltage regulator has a standard three-pin configuration:

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

Functional Features

• Voltage Regulation: The L78L24ACD maintains a constant output voltage of 24V, regardless of input voltage fluctuations.
• Low Dropout Voltage: With a dropout voltage as low as 1.7V, this regulator can operate efficiently even with small input-output voltage differentials.
• High Current Capability: Capable of supplying up to 100mA of continuous output current.
• Thermal Overload Protection: Built-in protection mechanism that prevents the regulator from overheating and ensures safe operation.

Advantages and Disadvantages

Advantages: - Simple and compact design - Easy to use and integrate into various circuits - Provides stable and reliable output voltage - Suitable for low-power applications

Disadvantages: - Limited output current capability - Requires external capacitors for stability in some applications

Working Principles

The L78L24ACD is a linear voltage regulator that uses 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.

Detailed Application Field Plans

The L78L24ACD is commonly used in various electronic applications, including:

1. Power Supply Circuits: Provides regulated voltage for microcontrollers, sensors, and other low-power components.
2. Audio Amplifiers: Stabilizes the power supply voltage for audio amplification circuits, ensuring consistent sound quality.
3. Battery Charging Systems: Regulates the charging voltage to prevent overcharging and protect the battery.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with a wide input voltage range.
2. LM7805: Fixed 5V voltage regulator suitable for low-power applications.
3. LT1084: High-current adjustable voltage regulator with low dropout voltage.

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

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