Xem thông số kỹ thuật để biết chi tiết sản phẩm.
NJM79M24FA
Product Overview
Category
The NJM79M24FA belongs to the category of voltage regulators.
Use
It is primarily used for regulating and stabilizing voltage in electronic circuits.
Characteristics
- Input Voltage Range: 25V to 40V
- Output Voltage: -24V
- Maximum Output Current: 500mA
- Dropout Voltage: 1.2V (typical)
- Operating Temperature Range: -40°C to +125°C
- Package Type: TO-220F
- Essence: Linear voltage regulator
Packaging/Quantity
The NJM79M24FA is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.
Specifications
- Input Voltage Range: 25V to 40V
- Output Voltage: -24V
- Output Current: Up to 500mA
- Dropout Voltage: 1.2V (typical)
- Line Regulation: ±0.05% (typical)
- Load Regulation: ±0.1% (typical)
- Ripple Rejection Ratio: 60dB (typical)
- Quiescent Current: 5mA (typical)
- Operating Temperature Range: -40°C to +125°C
- Package Type: TO-220F
Detailed Pin Configuration
The NJM79M24FA has three pins:
- Input Pin (VIN): This pin is used to connect the input voltage source.
- Ground Pin (GND): This pin is connected to the ground reference of the circuit.
- Output Pin (VOUT): The regulated output voltage is obtained from this pin.
Functional Features
- High precision voltage regulation
- Low dropout voltage
- Overcurrent protection
- Thermal shutdown protection
- Short-circuit protection
Advantages and Disadvantages
Advantages
- Stable and accurate voltage regulation
- Wide operating temperature range
- Overcurrent and short-circuit protection ensure safety
- Compact TO-220F package for easy integration
Disadvantages
- Dropout voltage may cause power dissipation in certain applications
- Limited output current capacity (up to 500mA)
Working Principles
The NJM79M24FA 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 stable output voltage.
Detailed Application Field Plans
The NJM79M24FA can be used in various applications, including but not limited to: - Power supply circuits - Audio amplifiers - Industrial control systems - Automotive electronics - Battery charging circuits
Detailed and Complete Alternative Models
Some alternative models to the NJM79M24FA are: - LM79M24CT: Similar specifications and pin configuration, offered by Texas Instruments. - MC79M24CDTG: Comparable characteristics and package type, manufactured by ON Semiconductor. - KA79M24RTM: Alternative option with equivalent features, produced by Fairchild Semiconductor.
Note: This is not an exhaustive list of alternative models available in the market.
In conclusion, the NJM79M24FA is a voltage regulator with precise voltage regulation, low dropout voltage, and various protection features. It finds applications in diverse fields such as power supplies, audio amplifiers, and industrial control systems. Alternative models like LM79M24CT, MC79M24CDTG, and KA79M24RTM offer similar functionalities.
Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng NJM79M24FA trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of NJM79M24FA in technical solutions:
Q: What is NJM79M24FA? A: NJM79M24FA is a voltage regulator IC (Integrated Circuit) that provides a fixed output voltage of -24V.
Q: What is the input voltage range for NJM79M24FA? A: The input voltage range for NJM79M24FA is typically between -35V and -40V.
Q: What is the maximum output current of NJM79M24FA? A: The maximum output current of NJM79M24FA is 500mA.
Q: Can NJM79M24FA be used in both AC and DC applications? A: Yes, NJM79M24FA can be used in both AC and DC applications as long as the input voltage falls within the specified range.
Q: Is NJM79M24FA suitable for automotive applications? A: Yes, NJM79M24FA is suitable for automotive applications as it can handle the required voltage and current levels.
Q: Does NJM79M24FA require any external components for operation? A: Yes, NJM79M24FA requires input and output capacitors for stability and filtering purposes.
Q: Can NJM79M24FA handle short-circuit conditions? A: Yes, NJM79M24FA has built-in protection features that allow it to handle short-circuit conditions without damage.
Q: What is the operating temperature range for NJM79M24FA? A: The operating temperature range for NJM79M24FA is typically between -40°C and +125°C.
Q: Can NJM79M24FA be used in high-frequency applications? A: Yes, NJM79M24FA can be used in high-frequency applications as it has a good response time and low output impedance.
Q: Are there any alternatives to NJM79M24FA for -24V voltage regulation? A: Yes, there are other voltage regulator ICs available in the market that provide -24V output, such as LM337 or LT1963.