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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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L7924ACV v technických řešeních

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.