L7924ACV

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: Fixed Output, Negative Polarity
Package: TO-220
Essence: Linear Regulator
Packaging/Quantity: Tube/50 pieces

Specifications

Input Voltage Range: -35V to -10V
Output Voltage: -24V
Output Current: 1A
Dropout Voltage: 2V
Line Regulation: 0.04%/V
Load Regulation: 0.3%
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L7924ACV has three pins:

Vin (Pin 1): Input voltage pin.
GND (Pin 2): Ground pin.
Vout (Pin 3): Output voltage pin.

Functional Features

Fixed output voltage of -24V.
Low dropout voltage for efficient regulation.
Excellent line and load regulation.
Thermal shutdown and short-circuit protection.
Internal current limiting.

Advantages and Disadvantages

Advantages

Precise and stable output voltage.
Wide input voltage range.
High current capability.
Built-in protection features.
Suitable for various applications.

Disadvantages

Requires external components for proper operation.
Generates heat during operation.
Limited output current compared to other models.

Working Principles

The L7924ACV 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 adjusting the pass transistor accordingly. The regulator maintains a constant output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The L7924ACV is commonly used in applications where a stable negative voltage supply is required. Some typical applications include:

Industrial control systems.
Audio amplifiers.
Power supply units.
Instrumentation equipment.
Automotive electronics.

Detailed and Complete Alternative Models

L7912ACV: -12V fixed output voltage regulator.
L7905ACV: -5V fixed output voltage regulator.
L7909ACV: -9V fixed output voltage regulator.
L7918ACV: -18V fixed output voltage regulator.
L7920ACV: -20V fixed output voltage regulator.

These alternative models provide different fixed output voltages to suit various application requirements.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van L7924ACV in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of L7924ACV in technical solutions:

Q: What is L7924ACV? A: L7924ACV is a voltage regulator IC (Integrated Circuit) that provides a fixed output voltage of -24V.
Q: What is the purpose of using L7924ACV in technical solutions? A: The purpose of using L7924ACV is to regulate and stabilize the input voltage to a constant -24V, ensuring a reliable power supply for various electronic components.
Q: What is the input voltage range supported by L7924ACV? A: The input voltage range supported by L7924ACV is typically between -35V to -10V.
Q: What is the maximum current that L7924ACV can handle? A: L7924ACV can handle a maximum current of 1A.
Q: Can L7924ACV be used in both AC and DC applications? A: Yes, L7924ACV can be used in both AC and DC applications as long as the input voltage falls within the specified range.
Q: Is it necessary to use additional heat sinks with L7924ACV? A: It depends on the power dissipation and ambient temperature. If the power dissipation is high or the ambient temperature is elevated, using a heat sink is recommended to prevent overheating.
Q: Can L7924ACV be used in automotive applications? A: Yes, L7924ACV is suitable for automotive applications as it can withstand the required voltage and temperature ranges.
Q: Are there any protection features in L7924ACV? A: Yes, L7924ACV includes built-in protection features such as thermal shutdown and short-circuit protection.
Q: Can multiple L7924ACV ICs be connected in parallel to increase the current capacity? A: No, it is not recommended to connect multiple L7924ACV ICs in parallel as it can lead to instability and voltage regulation issues. Instead, a higher current-rated voltage regulator should be used.
Q: What are some typical applications of L7924ACV? A: Some typical applications of L7924ACV include power supplies for industrial equipment, audio amplifiers, motor control circuits, and various electronic systems requiring a stable -24V power source.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's recommendations for L7924ACV.