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NJM2268D
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: Low dropout voltage, high output current capability
- Package: Dual-In-Line Package (DIP)
- Essence: Regulates input voltage to a stable output voltage
- Packaging/Quantity: Comes in a tube packaging with 25 pieces per tube
Specifications
- Input Voltage Range: 2.5V - 16V
- Output Voltage Range: 1.2V - 15V
- Dropout Voltage: 0.3V @ 500mA
- Output Current: Up to 1A
- Quiescent Current: 75µA
- Line Regulation: ±0.05%
- Load Regulation: ±0.1%
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The NJM2268D has a total of 5 pins:
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
- ADJ: Adjustable pin for setting the output voltage
- NC: No connection pin
Functional Features
- Low dropout voltage ensures efficient regulation even with low input-output voltage differentials.
- High output current capability allows it to power a wide range of devices.
- Excellent line and load regulation ensures a stable output voltage under varying conditions.
- Adjustable output voltage using the ADJ pin provides flexibility in different applications.
Advantages and Disadvantages
Advantages: - Low dropout voltage enables efficient power conversion. - High output current capability makes it suitable for various devices. - Excellent line and load regulation ensures stable performance. - Adjustable output voltage offers versatility.
Disadvantages: - Limited input voltage range may restrict certain applications. - Higher quiescent current compared to some alternative models.
Working Principles
The NJM2268D is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from a voltage divider connected to the output. The pass transistor adjusts its resistance to maintain a stable output voltage, compensating for changes in load and input voltage.
Detailed Application Field Plans
The NJM2268D is commonly used in various applications, including: 1. Battery-powered devices 2. Portable audio players 3. Automotive electronics 4. Industrial control systems 5. Communication equipment
Detailed and Complete Alternative Models
- LM1117: Low dropout voltage regulator with adjustable output voltage.
- LT1086: High current, low dropout voltage regulator with adjustable output voltage.
- ADP3339: Low dropout voltage regulator with fixed output voltage options.
- MAX603: Ultra-low quiescent current voltage regulator with adjustable output voltage.
- TPS796: High-performance, low dropout voltage regulator with fixed output voltage options.
(Note: This list is not exhaustive and there are many other alternative models available in the market.)
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10 domande e risposte comuni relative all'applicazione di NJM2268D nelle soluzioni tecniche
Sure! Here are 10 common questions and answers related to the application of NJM2268D in technical solutions:
Q: What is NJM2268D? A: NJM2268D is a voltage regulator IC (integrated circuit) commonly used in electronic circuits to regulate and stabilize voltage levels.
Q: What is the input voltage range of NJM2268D? A: The input voltage range of NJM2268D is typically between 4.5V and 40V.
Q: What is the output voltage range of NJM2268D? A: The output voltage range of NJM2268D can be adjusted from 1.25V to 37V, depending on the external components used.
Q: What is the maximum output current of NJM2268D? A: The maximum output current of NJM2268D is around 1.5A, which makes it suitable for powering various electronic devices.
Q: Can NJM2268D handle both step-up and step-down voltage regulation? A: No, NJM2268D is primarily designed for step-down voltage regulation, meaning it can reduce a higher input voltage to a lower output voltage.
Q: Is NJM2268D suitable for battery-powered applications? A: Yes, NJM2268D is commonly used in battery-powered applications due to its low dropout voltage and efficient power conversion capabilities.
Q: Does NJM2268D require any external components for operation? A: Yes, NJM2268D requires a few external components such as capacitors and resistors to set the desired output voltage and ensure stability.
Q: Can NJM2268D handle thermal overload protection? A: Yes, NJM2268D incorporates built-in thermal overload protection to prevent overheating and ensure safe operation.
Q: What is the typical efficiency of NJM2268D? A: The typical efficiency of NJM2268D can reach up to 90%, making it an energy-efficient choice for voltage regulation applications.
Q: Are there any recommended application circuits available for NJM2268D? A: Yes, the datasheet of NJM2268D provides several recommended application circuits that can be used as a reference for different scenarios and requirements.
Please note that these answers are general and may vary depending on specific implementation details and datasheet specifications.