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TL3474CN
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TL3474CN

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Regulator
  • Characteristics: High precision, low dropout voltage, adjustable output, current limiting
  • Package: DIP (Dual In-line Package)
  • Essence: TL3474CN is a voltage regulator integrated circuit designed for various applications requiring a stable and adjustable output voltage.
  • Packaging/Quantity: Available in tubes or reels, with 25 pieces per tube/reel.

Specifications

  • Input Voltage Range: 2.5V to 40V
  • Output Voltage Range: 1.25V to 37V
  • Dropout Voltage: 0.5V typical at 1A load
  • Output Current: Up to 1.5A
  • Quiescent Current: 10mA typical
  • Line Regulation: 0.01%/V typical
  • Load Regulation: 0.1%/A typical
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TL3474CN package consists of 8 pins arranged as follows:

___________ | | IN | 1 8 | OUT ADJ| 2 7 | GND NC | 3 6 | NC |___________|

  1. IN: Input voltage pin
  2. ADJ: Adjust pin for setting the output voltage
  3. NC: No connection pin
  4. OUT: Output voltage pin
  5. GND: Ground pin

Functional Features

  • High precision voltage regulation
  • Low dropout voltage for efficient operation
  • Adjustable output voltage for flexibility
  • Current limiting protection for enhanced safety
  • Thermal shutdown protection to prevent overheating

Advantages and Disadvantages

Advantages: - High precision voltage regulation ensures stable output - Low dropout voltage minimizes power dissipation - Adjustable output voltage allows customization for various applications - Current limiting protection prevents damage due to excessive current - Thermal shutdown protection safeguards against overheating

Disadvantages: - Limited maximum output current of 1.5A - Requires external components for operation

Working Principles

The TL3474CN operates as a linear voltage regulator, utilizing a reference voltage and feedback mechanism to maintain a stable output voltage. The input voltage is regulated by an internal control circuit, which adjusts the pass transistor to achieve the desired output voltage. The adjustable output voltage is set using an external resistor connected to the ADJ pin.

Detailed Application Field Plans

The TL3474CN can be used in various applications that require a stable and adjustable output voltage. Some potential application fields include:

  1. Power supply circuits: Provides regulated voltage for microcontrollers, sensors, and other electronic components.
  2. Battery charging systems: Controls the charging voltage for batteries, ensuring safe and efficient charging.
  3. Audio amplifiers: Regulates the voltage supplied to audio amplifier circuits, improving sound quality and performance.
  4. LED lighting: Maintains a constant voltage for LED lighting systems, preventing flickering and ensuring consistent brightness.
  5. Automotive electronics: Used in automotive applications such as dashboard displays, infotainment systems, and lighting control.

Detailed and Complete Alternative Models

  1. LM317: Similar voltage regulator with adjustable output and higher output current capability.
  2. LT1084: Voltage regulator with adjustable output, low dropout voltage, and higher output current capacity.
  3. LM7805: Fixed output voltage regulator with a 5V output and higher output current capability.
  4. LM1117: Low dropout voltage regulator with adjustable or fixed output voltage options.

These alternative models offer similar functionality to the TL3474CN and can be considered based on specific requirements and application needs.

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技術ソリューションにおける TL3474CN の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of TL3474CN in technical solutions:

  1. Q: What is TL3474CN? A: TL3474CN is a specific model of operational amplifier (op-amp) integrated circuit commonly used in electronic circuits.

  2. Q: What is the voltage supply range for TL3474CN? A: The voltage supply range for TL3474CN is typically between ±2.5V and ±18V.

  3. Q: What is the maximum output current of TL3474CN? A: The maximum output current of TL3474CN is typically around 40mA.

  4. Q: Can TL3474CN be used in single-supply applications? A: Yes, TL3474CN can be used in both dual-supply and single-supply applications.

  5. Q: What is the input offset voltage of TL3474CN? A: The input offset voltage of TL3474CN is typically very low, around 1mV.

  6. Q: Is TL3474CN suitable for high-speed applications? A: No, TL3474CN is not specifically designed for high-speed applications. It is more suitable for general-purpose and low-frequency applications.

  7. Q: Can TL3474CN operate in extreme temperature conditions? A: Yes, TL3474CN has a wide operating temperature range, typically from -40°C to +125°C.

  8. Q: What is the typical gain bandwidth product of TL3474CN? A: The typical gain bandwidth product of TL3474CN is around 1MHz.

  9. Q: Does TL3474CN have built-in protection features? A: No, TL3474CN does not have built-in protection features. External protection circuitry may be required for certain applications.

  10. Q: What are some common applications of TL3474CN? A: TL3474CN is commonly used in audio amplifiers, signal conditioning circuits, active filters, and other general-purpose analog circuits.

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