NJR Corporation/NJRC
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NJM3717FM2
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NJM3717FM2

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: High precision, low dropout voltage, compact size
  • Package: SOP8 (Small Outline Package 8 pins)
  • Essence: Provides stable output voltage for electronic devices
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Output Voltage Range: 1.2V to 15V
  • Dropout Voltage: 0.3V @ 500mA
  • Output Current: 500mA
  • Quiescent Current: 75µA
  • Line Regulation: ±0.05%
  • Load Regulation: ±0.1%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NJM3717FM2 IC has a total of 8 pins:

  1. VOUT: Output Voltage Pin
  2. GND: Ground Pin
  3. VIN: Input Voltage Pin
  4. NC: No Connection
  5. NC: No Connection
  6. NC: No Connection
  7. NC: No Connection
  8. EN: Enable Pin

Functional Features

  • High precision voltage regulation
  • Low dropout voltage for efficient power conversion
  • Built-in overcurrent protection
  • Thermal shutdown protection
  • Short-circuit protection
  • Fast transient response

Advantages and Disadvantages

Advantages: - High precision voltage regulation ensures stable output - Low dropout voltage improves efficiency - Compact size allows for space-saving designs - Overcurrent, thermal shutdown, and short-circuit protections enhance reliability - Fast transient response enables quick load changes

Disadvantages: - Limited output current capacity (500mA) - Narrow input voltage range (2.5V to 16V)

Working Principles

The NJM3717FM2 is a voltage regulator IC that maintains a stable output voltage regardless of variations in the input voltage or load conditions. It utilizes a feedback mechanism to continuously adjust the internal circuitry and keep the output voltage within the specified range. The dropout voltage is minimized, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The NJM3717FM2 is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

  1. Battery-powered devices: Portable audio players, handheld gaming consoles, etc.
  2. Automotive electronics: Car audio systems, GPS devices, etc.
  3. Industrial equipment: Sensors, control systems, etc.
  4. Communication devices: Wireless routers, modems, etc.
  5. Consumer electronics: Smartphones, tablets, digital cameras, etc.

Detailed and Complete Alternative Models

  1. LM1117: Low dropout voltage regulator with adjustable output voltage.
  2. LT1763: Ultra-low noise LDO regulator with high PSRR.
  3. MAX603: High-accuracy, low-dropout voltage reference.
  4. TPS7A47: Wide-input voltage range, ultra-low noise LDO regulator.

These alternative models offer similar functionality and can be considered as substitutes for the NJM3717FM2 depending on specific requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af NJM3717FM2 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of NJM3717FM2 in technical solutions:

  1. Q: What is NJM3717FM2? A: NJM3717FM2 is a voltage regulator IC (integrated circuit) commonly used in electronic circuits to regulate and stabilize voltage levels.

  2. Q: What is the input voltage range of NJM3717FM2? A: The input voltage range of NJM3717FM2 is typically between 4.5V and 40V.

  3. Q: What is the output voltage range of NJM3717FM2? A: The output voltage range of NJM3717FM2 can be adjusted from 1.25V to 37V using external resistors.

  4. Q: What is the maximum output current of NJM3717FM2? A: The maximum output current of NJM3717FM2 is around 1.5A, which makes it suitable for powering various electronic components.

  5. Q: Can NJM3717FM2 handle both step-up and step-down voltage regulation? A: No, NJM3717FM2 is primarily designed for step-down voltage regulation, meaning it can only reduce the input voltage to a lower output voltage.

  6. Q: Is NJM3717FM2 suitable for automotive applications? A: Yes, NJM3717FM2 is often used in automotive applications due to its wide input voltage range and ability to withstand harsh operating conditions.

  7. Q: Does NJM3717FM2 require any external components for operation? A: Yes, NJM3717FM2 requires a few external components such as input/output capacitors and resistors to set the desired output voltage.

  8. Q: Can NJM3717FM2 handle overcurrent or short-circuit conditions? A: Yes, NJM3717FM2 has built-in protection features like current limiting and thermal shutdown to protect against overcurrent and short-circuit conditions.

  9. Q: What is the typical efficiency of NJM3717FM2? A: The efficiency of NJM3717FM2 depends on various factors but can typically range from 80% to 95%, making it an efficient voltage regulator.

  10. Q: Are there any recommended applications for NJM3717FM2? A: Yes, NJM3717FM2 is commonly used in applications such as power supplies, battery chargers, LED drivers, and other low-voltage electronic systems.

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