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NJM78L08L2A
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: Low Dropout, Fixed Output Voltage
- Package: TO-92
- Essence: Linear Voltage Regulator
- Packaging/Quantity: Bulk packaging, typically sold in reels or tubes
Specifications
- Input Voltage Range: 10V to 35V
- Output Voltage: 8V
- Output Current: 100mA
- Dropout Voltage: 1.7V (typical)
- Line Regulation: 0.04%/V (typical)
- Load Regulation: 0.4% (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The NJM78L08L2A has three pins:
- Input (Vin): Connects to the input voltage source.
- Ground (GND): Connected to the ground reference.
- Output (Vout): Provides the regulated output voltage.
Functional Features
- Low dropout voltage: The NJM78L08L2A can regulate the output voltage even when the input voltage is close to the desired output voltage.
- Fixed output voltage: The device provides a stable output voltage of 8V.
- Thermal shutdown protection: The IC includes built-in thermal protection to prevent damage due to excessive temperature.
- Short-circuit current limiting: In case of a short circuit, the device limits the output current to protect itself and the connected components.
Advantages and Disadvantages
Advantages: - Compact and easy to use. - Low dropout voltage allows for efficient regulation. - Suitable for low-power applications. - Affordable and widely available.
Disadvantages: - Limited output current capability. - Not suitable for high-power applications. - Requires external capacitors for stability.
Working Principles
The NJM78L08L2A is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage and adjusting the pass transistor accordingly. This feedback mechanism ensures a stable output voltage despite variations in the input voltage or load conditions.
Detailed Application Field Plans
The NJM78L08L2A is commonly used in various electronic devices and applications, including:
- Battery-powered devices: Provides a regulated voltage for microcontrollers, sensors, and other low-power components.
- Automotive electronics: Used in automotive systems such as dashboard displays, audio systems, and lighting controls.
- Industrial control systems: Provides stable voltage for control circuits, sensors, and actuators.
- Consumer electronics: Used in portable devices like smartphones, tablets, and digital cameras.
Detailed and Complete Alternative Models
- LM7808: Similar specifications and pin configuration, available in different package options.
- MC78L08: Equivalent voltage regulator with similar characteristics and pin configuration.
- UA78L08: Another alternative with comparable performance and pin compatibility.
(Note: The above list is not exhaustive and there are several other alternatives available in the market.)
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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem NJM78L08L2A w rozwiązaniach technicznych
Sure! Here are 10 common questions and answers related to the application of NJM78L08L2A in technical solutions:
Q: What is NJM78L08L2A? A: NJM78L08L2A is a voltage regulator IC that provides a fixed output voltage of +8V.
Q: What is the input voltage range for NJM78L08L2A? A: The input voltage range for NJM78L08L2A is typically between +10V and +30V.
Q: What is the maximum output current of NJM78L08L2A? A: The maximum output current of NJM78L08L2A is 100mA.
Q: Can NJM78L08L2A handle reverse polarity protection? A: No, NJM78L08L2A does not have built-in reverse polarity protection. External protection measures should be taken.
Q: Is it possible to use NJM78L08L2A as a step-down voltage regulator? A: No, NJM78L08L2A is a linear voltage regulator and can only provide a fixed output voltage.
Q: What is the dropout voltage of NJM78L08L2A? A: The typical dropout voltage of NJM78L08L2A is around 2V.
Q: Can NJM78L08L2A handle high temperatures? A: Yes, NJM78L08L2A has a maximum operating temperature of 125°C.
Q: Does NJM78L08L2A require any external components for operation? A: Yes, NJM78L08L2A requires input and output capacitors for stability.
Q: Can NJM78L08L2A be used in battery-powered applications? A: Yes, NJM78L08L2A can be used in battery-powered applications as long as the input voltage is within its specified range.
Q: What are some common applications of NJM78L08L2A? A: NJM78L08L2A is commonly used in various electronic devices such as audio amplifiers, sensors, and microcontrollers to provide a stable +8V power supply.