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NJM2930L05
Product Overview
Category
The NJM2930L05 belongs to the category of voltage regulators.
Use
It is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input variations.
Characteristics
- Low dropout voltage
- High ripple rejection
- Low quiescent current
- Thermal shutdown protection
Package
The NJM2930L05 is available in a TO-220 package.
Essence
This voltage regulator is essential for maintaining a consistent and reliable power supply in various electronic applications.
Packaging/Quantity
The NJM2930L05 is typically sold in reels or tubes containing multiple units.
Specifications
- Output Voltage: 5V
- Input Voltage Range: 6.5V to 20V
- Dropout Voltage: 0.5V at 100mA
- Quiescent Current: 10mA
- Ripple Rejection: 70dB
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The NJM2930L05 has three pins: 1. Input (Vin) 2. Ground (GND) 3. Output (Vout)
Functional Features
- Low dropout voltage ensures efficient regulation even with small input-output differentials.
- High ripple rejection minimizes AC voltage fluctuations in the output.
- Thermal shutdown protection prevents damage due to excessive heat.
Advantages
- Stable output voltage
- Wide input voltage range
- Low dropout voltage
Disadvantages
- Relatively high quiescent current
- Limited output current capability
Working Principles
The NJM2930L05 uses a series-pass PNP transistor to regulate the output voltage. When the input voltage exceeds the desired output voltage, the regulator reduces the excess voltage across the pass transistor, maintaining a constant output.
Detailed Application Field Plans
The NJM2930L05 is commonly used in: - Battery-powered devices - Automotive electronics - Industrial control systems
Detailed and Complete Alternative Models
Some alternative models to the NJM2930L05 include: - LM7805 - L78S05 - UA7805
In conclusion, the NJM2930L05 voltage regulator offers a reliable solution for stabilizing voltage in various electronic applications. Its low dropout voltage and high ripple rejection make it suitable for diverse scenarios, although its relatively high quiescent current and limited output current capability should be considered when selecting a voltage regulator for specific designs.
Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem NJM2930L05 w rozwiązaniach technicznych
What is the NJM2930L05?
- The NJM2930L05 is a 5V voltage regulator IC designed for use in various technical solutions to provide a stable 5V output.
What are the input voltage requirements for the NJM2930L05?
- The NJM2930L05 requires an input voltage of at least 7V to regulate and provide a stable 5V output.
What is the maximum output current of the NJM2930L05?
- The NJM2930L05 can provide a maximum output current of 150mA, making it suitable for low-power applications.
What are the typical applications of the NJM2930L05?
- The NJM2930L05 is commonly used in battery-powered devices, sensor modules, and other low-power electronic systems requiring a stable 5V power supply.
Does the NJM2930L05 require external components for operation?
- Yes, the NJM2930L05 typically requires input and output capacitors for stability and proper operation.
What is the dropout voltage of the NJM2930L05?
- The dropout voltage of the NJM2930L05 is typically around 1.2V at full load, meaning the input voltage must be at least 1.2V higher than the desired output voltage.
Can the NJM2930L05 handle input voltage spikes or transients?
- The NJM2930L05 has built-in protection features to handle input voltage spikes and transients within specified limits.
Is the NJM2930L05 suitable for automotive applications?
- The NJM2930L05 may not be ideal for automotive applications due to its limited input voltage range and current capabilities.
What are the thermal considerations for the NJM2930L05?
- The NJM2930L05 may require a heat sink or proper PCB layout to dissipate heat, especially when operating near its maximum output current.
Are there any alternative voltage regulators similar to the NJM2930L05?
- Yes, there are alternative voltage regulators such as the LM7805 and AMS1117 that offer similar functionality and may be suitable for certain applications.