NJM7824FA

Overview

Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics:
- Fixed output voltage of +24V
- Low dropout voltage
- High ripple rejection ratio
- Thermal shutdown protection
Package: TO-220F
Essence: Linear voltage regulator
Packaging/Quantity: Tape and reel, 2,500 units per reel

Specifications

Input Voltage Range: 7V to 35V
Output Voltage: +24V
Output Current: Up to 1A
Dropout Voltage: 2V (typical)
Ripple Rejection Ratio: 70dB (typical)
Operating Temperature Range: -40°C to +125°C

Pin Configuration

The NJM7824FA has a standard three-pin configuration:

Input (VIN): Connects to the input voltage source.
Ground (GND): Connected to the ground reference.
Output (VOUT): Provides the regulated +24V output.

Functional Features

Voltage Regulation: The NJM7824FA maintains a constant output voltage of +24V regardless of changes in the input voltage or load conditions.
Low Dropout Voltage: The regulator operates with a low dropout voltage, minimizing power dissipation and maximizing efficiency.
Ripple Rejection: It exhibits high ripple rejection, reducing noise and ensuring a stable output voltage.
Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Stable output voltage - Low dropout voltage - High ripple rejection ratio - Thermal shutdown protection ensures safety

Disadvantages: - Limited output current capacity (up to 1A)

Working Principles

The NJM7824FA is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with a fraction of the output voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Application Field Plans

The NJM7824FA is commonly used in various applications, including: - Power supplies for industrial equipment - Automotive electronics - Audio amplifiers - Battery chargers - Instrumentation systems

Alternative Models

LM7824: Similar specifications and pin configuration, offered by Texas Instruments.
MC7824: Equivalent voltage regulator IC manufactured by ON Semiconductor.
UA7824: Alternative model provided by Fairchild Semiconductor.

These alternative models offer similar functionality and can be used as substitutes for the NJM7824FA.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací NJM7824FA v technických řešeních

Sure! Here are 10 common questions and answers related to the application of NJM7824FA in technical solutions:

Q: What is NJM7824FA? A: NJM7824FA is a voltage regulator IC that provides a fixed output voltage of +24V.
Q: What is the input voltage range for NJM7824FA? A: The input voltage range for NJM7824FA is typically between +27V and +35V.
Q: What is the maximum output current of NJM7824FA? A: The maximum output current of NJM7824FA is 1A.
Q: Can NJM7824FA handle higher input voltages than +35V? A: No, it is not recommended to exceed the maximum input voltage range of +35V for NJM7824FA.
Q: Is NJM7824FA suitable for both AC and DC input voltages? A: Yes, NJM7824FA can handle both AC and DC input voltages.
Q: Does NJM7824FA require any external components for operation? A: Yes, NJM7824FA requires input and output capacitors for stable operation. Refer to the datasheet for recommended values.
Q: Can NJM7824FA be used in automotive applications? A: Yes, NJM7824FA is suitable for automotive applications as long as the input voltage does not exceed its maximum limit.
Q: What is the thermal resistance of NJM7824FA? A: The thermal resistance of NJM7824FA is typically around 50°C/W.
Q: Can NJM7824FA be used in parallel to increase the output current? A: No, NJM7824FA is not designed to be used in parallel. It is recommended to use a higher current-rated voltage regulator for higher output currents.
Q: Is NJM7824FA available in different package types? A: Yes, NJM7824FA is available in various package types such as TO-220, TO-252, and DPAK.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's recommendations for NJM7824FA.