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L4989D013TR
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L4989D013TR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics:
    • High efficiency voltage regulator
    • Low power consumption
    • Small form factor
  • Package: DFN-8 (Dual Flat No-Lead)
  • Essence: Voltage Regulator IC
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 3A
  • Quiescent Current: 120µA
  • Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L4989D013TR has a total of 8 pins arranged as follows:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. EN: Enable pin to control the device's operation
  5. SS: Soft-start pin for gradual startup
  6. VOUT: Output voltage pin
  7. PGND: Power ground pin
  8. SW: Switching node pin

Functional Features

  • High efficiency voltage regulation for various applications
  • Wide input voltage range allows flexibility in power supply design
  • Low power consumption ensures energy efficiency
  • Overcurrent protection for safe operation
  • Thermal shutdown protection prevents overheating
  • Soft-start feature for smooth startup and reduced stress on components

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power loss - Compact size enables space-saving designs - Wide input voltage range provides versatility - Overcurrent and thermal protection enhance reliability

Disadvantages: - Limited maximum output current of 3A - Requires external components for complete voltage regulation circuit

Working Principles

The L4989D013TR is a voltage regulator IC that operates by converting the input voltage to a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency. The device controls the duty cycle of an internal power switch to maintain the desired output voltage. Feedback from the FB pin is used to adjust the duty cycle and regulate the output voltage. The EN pin allows the user to enable or disable the device as needed.

Detailed Application Field Plans

The L4989D013TR is suitable for a wide range of applications, including but not limited to:

  1. Power supplies for consumer electronics
  2. Industrial automation systems
  3. Automotive electronics
  4. Telecommunications equipment
  5. LED lighting systems
  6. Battery charging circuits

Detailed and Complete Alternative Models

  1. L4989D012TR: Similar to L4989D013TR but with a different package (SO-8)
  2. L4989D014TR: Similar to L4989D013TR but with a higher maximum output current (5A)
  3. L4989D015TR: Similar to L4989D013TR but with a wider input voltage range (2.7V to 36V)

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

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L4989D013TR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of L4989D013TR in technical solutions:

  1. Q: What is L4989D013TR? A: L4989D013TR is a specific model of integrated circuit (IC) used for power management and control in various technical applications.

  2. Q: What are the main features of L4989D013TR? A: The main features of L4989D013TR include high voltage capability, low quiescent current, adjustable output voltage, overvoltage protection, and thermal shutdown.

  3. Q: In which technical solutions can L4989D013TR be used? A: L4989D013TR can be used in a wide range of technical solutions such as industrial automation, motor control systems, power supplies, and automotive applications.

  4. Q: How does L4989D013TR help in motor control systems? A: L4989D013TR provides precise control and protection features for motor control systems, ensuring efficient operation and preventing damage due to overvoltage or overheating.

  5. Q: Can L4989D013TR be used in automotive applications? A: Yes, L4989D013TR is suitable for automotive applications where it can regulate power supply voltages and protect against voltage spikes or other electrical faults.

  6. Q: What is the maximum voltage that L4989D013TR can handle? A: L4989D013TR has a high voltage capability and can handle voltages up to a certain limit specified in its datasheet, typically around several hundred volts.

  7. Q: Does L4989D013TR have any built-in protection mechanisms? A: Yes, L4989D013TR incorporates various protection features like overvoltage protection, thermal shutdown, and short-circuit protection to safeguard the circuit and connected components.

  8. Q: Can L4989D013TR be used in low-power applications? A: Yes, L4989D013TR has a low quiescent current, making it suitable for low-power applications where energy efficiency is crucial.

  9. Q: Is L4989D013TR easy to integrate into existing systems? A: Yes, L4989D013TR comes in a compact package and can be easily integrated into existing systems with proper circuit design and layout considerations.

  10. Q: Where can I find more information about L4989D013TR's application and usage? A: You can refer to the datasheet provided by the manufacturer or visit their official website for detailed information on L4989D013TR's application notes, reference designs, and technical support resources.

Please note that the specific details and answers may vary depending on the actual product documentation and manufacturer guidelines.