ON Semiconductor
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KA3882CDTF
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KA3882CDTF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: TO-220F

Essence: The KA3882CDTF is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The KA3882CDTF is typically packaged in a TO-220F package and is available in reels or tubes containing multiple units.

Specifications

  • Input Voltage Range: 4.5V to 40V
  • Output Voltage Range: 1.25V to 37V
  • Output Current: Up to 3A
  • Dropout Voltage: 0.6V (typical)
  • Line Regulation: 0.02% (typical)
  • Load Regulation: 0.1% (typical)
  • Quiescent Current: 10mA (typical)
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The KA3882CDTF has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. VOUT: Output voltage pin
  4. ADJ: Adjustable pin for setting the output voltage

Functional Features

  • High Efficiency: The KA3882CDTF utilizes advanced circuitry to achieve high efficiency, minimizing power loss.
  • Low Dropout Voltage: With a low dropout voltage of only 0.6V, the IC can regulate the output voltage even when the input voltage is close to the desired output voltage.
  • Adjustable Output Voltage: The ADJ pin allows users to set the desired output voltage within the specified range.
  • Overcurrent Protection: The IC incorporates overcurrent protection to safeguard the connected devices from excessive current.
  • Thermal Shutdown Protection: In case of excessive temperature, the thermal shutdown feature activates to prevent damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption. - Adjustable output voltage provides flexibility for various applications. - Overcurrent and thermal shutdown protection enhance device safety.

Disadvantages: - Dropout voltage may limit the usability in low voltage applications. - The TO-220F package may require additional space on the PCB.

Working Principles

The KA3882CDTF operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The adjustable pin allows users to set the desired output voltage within the specified range. The overcurrent protection feature monitors the output current and limits it to a safe level. In case of excessive temperature, the thermal shutdown protection activates, temporarily disabling the IC until the temperature returns to a safe range.

Detailed Application Field Plans

The KA3882CDTF is widely used in various electronic devices that require a stable and regulated power supply. Some common application fields include:

  1. Consumer Electronics: TVs, audio systems, gaming consoles
  2. Industrial Equipment: Power supplies, motor control systems
  3. Automotive Electronics: Car audio systems, lighting control modules
  4. Communication Systems: Routers, switches, base stations

Detailed and Complete Alternative Models

  1. LM317: Adjustable voltage regulator with similar specifications and features.
  2. LT1083: High current, adjustable voltage regulator suitable for demanding applications.
  3. LM7805: Fixed voltage regulator providing a stable 5V output.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng KA3882CDTF sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of KA3882CDTF in technical solutions:

  1. Q: What is KA3882CDTF? A: KA3882CDTF is a specific integrated circuit (IC) used for power management and control applications.

  2. Q: What are the typical applications of KA3882CDTF? A: KA3882CDTF is commonly used in switch-mode power supplies, battery chargers, and other power control systems.

  3. Q: What is the input voltage range supported by KA3882CDTF? A: The input voltage range of KA3882CDTF typically varies from 8V to 35V.

  4. Q: What is the output voltage range provided by KA3882CDTF? A: The output voltage range of KA3882CDTF can be adjusted based on the external components used, but it generally ranges from 2V to 30V.

  5. Q: Does KA3882CDTF support current limiting and overvoltage protection? A: Yes, KA3882CDTF includes built-in features for current limiting and overvoltage protection, ensuring safe operation of the power system.

  6. Q: Can KA3882CDTF handle high currents? A: KA3882CDTF has a maximum output current capability of around 1A, making it suitable for various low to medium power applications.

  7. Q: Is KA3882CDTF compatible with both analog and digital control methods? A: Yes, KA3882CDTF supports both analog and digital control methods, providing flexibility in system design.

  8. Q: What is the operating frequency range of KA3882CDTF? A: KA3882CDTF operates at a fixed frequency of around 100kHz, ensuring stable and efficient power conversion.

  9. Q: Does KA3882CDTF require external components for operation? A: Yes, KA3882CDTF requires external components such as resistors, capacitors, and inductors to configure the power supply circuitry.

  10. Q: Is KA3882CDTF readily available in the market? A: Availability may vary, but KA3882CDTF is a commonly used IC and can be found from various electronic component suppliers.

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