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NJM79L05UA-TE1
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NJM79L05UA-TE1

Product Overview

Category

The NJM79L05UA-TE1 belongs to the category of voltage regulators.

Use

It is primarily used to regulate and stabilize voltage in electronic circuits.

Characteristics

  • Low dropout voltage
  • High ripple rejection
  • Short-circuit protection
  • Thermal shutdown protection

Package

The NJM79L05UA-TE1 comes in a TO-220 package.

Essence

This voltage regulator is an essential component for maintaining a stable power supply in various electronic devices.

Packaging/Quantity

The NJM79L05UA-TE1 is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • Input Voltage Range: -35V to -8V
  • Output Voltage: -5V
  • Output Current: 100mA
  • Dropout Voltage: 2V (max)
  • Ripple Rejection: 60dB (typ)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NJM79L05UA-TE1 has three pins:

  1. Input Pin (VIN): This pin is connected to the input voltage source.
  2. Ground Pin (GND): This pin is connected to the ground reference.
  3. Output Pin (VOUT): This pin provides the regulated output voltage.

Functional Features

  • Voltage Regulation: The NJM79L05UA-TE1 ensures a stable output voltage of -5V regardless of input voltage fluctuations.
  • Short-Circuit Protection: It automatically shuts down in case of a short circuit, preventing damage to the device.
  • Thermal Shutdown Protection: In case of excessive heat, the regulator shuts down to prevent overheating.

Advantages and Disadvantages

Advantages

  • Low dropout voltage ensures efficient regulation even with low input voltages.
  • High ripple rejection minimizes the impact of AC voltage fluctuations.
  • Short-circuit and thermal shutdown protection enhance device safety.

Disadvantages

  • Limited output current capacity (100mA) may restrict its use in high-power applications.
  • The TO-220 package may require additional space on the circuit board.

Working Principles

The NJM79L05UA-TE1 is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage (-5V) with the feedback voltage from the output, adjusting the pass transistor's resistance to maintain a stable output voltage.

Detailed Application Field Plans

The NJM79L05UA-TE1 finds applications in various electronic devices, including: - Power supplies for microcontrollers and other digital ICs - Audio amplifiers - Battery-powered devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the NJM79L05UA-TE1 include: - LM340-5.0: A popular 5V voltage regulator with similar specifications. - MC78L05: Another widely used 5V linear voltage regulator. - L4940V5: A high-current 5V voltage regulator suitable for power-hungry applications.

(Note: This list is not exhaustive and there are several other alternatives available in the market.)

In conclusion, the NJM79L05UA-TE1 is a voltage regulator that provides stable -5V output voltage with low dropout and high ripple rejection. Its compact TO-220 package makes it suitable for various electronic applications. However, its limited output current capacity and package size may pose limitations in certain high-power designs.

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von NJM79L05UA-TE1 in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of NJM79L05UA-TE1 in technical solutions:

Q1: What is NJM79L05UA-TE1? A1: NJM79L05UA-TE1 is a voltage regulator IC that provides a fixed output voltage of -5V.

Q2: What is the input voltage range for NJM79L05UA-TE1? A2: The input voltage range for NJM79L05UA-TE1 is typically between -7V and -35V.

Q3: What is the maximum output current of NJM79L05UA-TE1? A3: The maximum output current of NJM79L05UA-TE1 is 100mA.

Q4: Can NJM79L05UA-TE1 be used in both AC and DC applications? A4: Yes, NJM79L05UA-TE1 can be used in both AC and DC applications.

Q5: Is NJM79L05UA-TE1 suitable for battery-powered applications? A5: Yes, NJM79L05UA-TE1 is suitable for battery-powered applications as it has low quiescent current consumption.

Q6: Does NJM79L05UA-TE1 require any external components for operation? A6: Yes, NJM79L05UA-TE1 requires an input capacitor and an output capacitor for stable operation.

Q7: What is the typical dropout voltage of NJM79L05UA-TE1? A7: The typical dropout voltage of NJM79L05UA-TE1 is around 2V.

Q8: Can NJM79L05UA-TE1 handle short-circuit conditions? A8: No, NJM79L05UA-TE1 is not designed to handle short-circuit conditions. It is recommended to use external protection circuitry.

Q9: Can NJM79L05UA-TE1 be used in high-temperature environments? A9: Yes, NJM79L05UA-TE1 can operate in a wide temperature range of -40°C to +125°C.

Q10: What are the typical applications of NJM79L05UA-TE1? A10: NJM79L05UA-TE1 is commonly used in various technical solutions such as power supplies, voltage regulators, and DC-DC converters.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.