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NJM79L08L2A
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NJM79L08L2A

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Negative Voltage Regulator
  • Package: TO-92 (Through-Hole)
  • Essence: Linear Regulator IC
  • Packaging/Quantity: Bulk packaging, typically 1000 units per reel

Specifications

  • Input Voltage Range: -35V to -10V
  • Output Voltage: -8V
  • Output Current: 100mA
  • Dropout Voltage: 1.5V (typical)
  • Quiescent Current: 5mA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NJM79L08L2A has a standard three-pin configuration:

  1. Pin 1: Input (VIN) - Connects to the input voltage source.
  2. Pin 2: Ground (GND) - Common ground reference.
  3. Pin 3: Output (VOUT) - Provides the regulated output voltage.

Functional Features

  • Low dropout voltage ensures efficient regulation even with small input-output differentials.
  • Built-in thermal shutdown protection prevents damage due to excessive temperature.
  • Short-circuit current limiting protects the device and connected components from overcurrent conditions.
  • Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.
  • Wide operating temperature range allows for reliable operation in various environments.

Advantages

  • Compact TO-92 package enables easy integration into space-constrained applications.
  • Low quiescent current consumption minimizes power dissipation and extends battery life.
  • Reliable and robust design ensures long-term performance and durability.
  • Cost-effective solution for negative voltage regulation requirements.

Disadvantages

  • Limited output current capability may not be suitable for high-power applications.
  • Dropout voltage of 1.5V may restrict usage in low voltage scenarios.
  • Through-hole package may not be compatible with modern surface-mount technology.

Working Principles

The NJM79L08L2A is a linear voltage regulator that utilizes a negative feedback mechanism to maintain a stable output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the internal pass transistor accordingly. This feedback loop ensures that the output voltage remains constant despite variations in input voltage and load conditions.

Detailed Application Field Plans

The NJM79L08L2A finds applications in various fields, including:

  1. Automotive electronics: Used for powering sensors, actuators, and control modules in vehicles.
  2. Industrial automation: Provides regulated voltage for PLCs, motor drives, and control systems.
  3. Consumer electronics: Suitable for audio amplifiers, portable devices, and battery-powered equipment.
  4. Telecommunications: Used in telecommunication infrastructure for voltage regulation purposes.
  5. Medical devices: Provides stable power supply for medical instruments and diagnostic equipment.

Detailed and Complete Alternative Models

  1. LM79L08: Similar negative voltage regulator with comparable specifications.
  2. MC79L08: Another alternative offering negative voltage regulation with similar characteristics.
  3. LT1054: A versatile switching regulator capable of generating both positive and negative voltages.

(Note: The above list is not exhaustive and serves as an example of alternative models.)

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi NJM79L08L2A dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of NJM79L08L2A in technical solutions:

  1. Q: What is NJM79L08L2A? A: NJM79L08L2A is a voltage regulator IC (Integrated Circuit) that provides a fixed output voltage of -8V.

  2. Q: What is the input voltage range for NJM79L08L2A? A: The input voltage range for NJM79L08L2A is typically between -10V and -35V.

  3. Q: What is the maximum output current of NJM79L08L2A? A: The maximum output current of NJM79L08L2A is 100mA.

  4. Q: Can NJM79L08L2A be used in both AC and DC applications? A: Yes, NJM79L08L2A can be used in both AC and DC applications.

  5. Q: Is NJM79L08L2A suitable for low-power applications? A: Yes, NJM79L08L2A is commonly used in low-power applications due to its low quiescent current.

  6. Q: Does NJM79L08L2A require any external components for operation? A: Yes, NJM79L08L2A requires at least two external capacitors for stability and proper operation.

  7. Q: Can NJM79L08L2A handle short-circuit conditions? A: No, NJM79L08L2A does not have built-in short-circuit protection. External measures should be taken to prevent short circuits.

  8. Q: What is the typical dropout voltage of NJM79L08L2A? A: The typical dropout voltage of NJM79L08L2A is around 1.5V.

  9. Q: Can NJM79L08L2A be used in automotive applications? A: Yes, NJM79L08L2A can be used in automotive applications as long as the operating conditions are within its specified range.

  10. Q: Is NJM79L08L2A available in different package types? A: Yes, NJM79L08L2A is available in various package types such as TO-92, SOT-89, and DPAK, allowing for flexibility in design and mounting options.

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