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L78L05ACD13TR
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L78L05ACD13TR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low-dropout, 5V output voltage
  • Package: DFN (Dual Flat No-leads)
  • Essence: Linear voltage regulator
  • Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

  • Input Voltage Range: 7V to 35V
  • Output Voltage: 5V
  • Output Current: Up to 100mA
  • Dropout Voltage: 2V (typical)
  • Line Regulation: ±50mV (typical)
  • Load Regulation: ±100mV (typical)
  • Quiescent Current: 5mA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L78L05ACD13TR has a total of three pins: 1. Pin 1: Input Voltage (VIN) 2. Pin 2: Ground (GND) 3. Pin 3: Output Voltage (VOUT)

Functional Features

  • Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
  • Internal thermal shutdown protection prevents the device from overheating.
  • Short-circuit current limiting protects the IC and connected components from excessive current flow.
  • Output voltage is stable under varying load conditions.

Advantages

  • Compact DFN package allows for space-saving integration in various applications.
  • Wide input voltage range enables flexibility in power supply design.
  • Low quiescent current minimizes power consumption during standby or idle states.
  • Excellent line and load regulation characteristics ensure stable output voltage.

Disadvantages

  • Limited output current capability may not be suitable for high-power applications.
  • Dropout voltage of 2V may restrict usage in low-voltage systems.
  • Thermal considerations are necessary due to the operating temperature range.

Working Principles

The L78L05ACD13TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a constant output voltage. The dropout voltage is the minimum voltage required for the regulator to function correctly.

Detailed Application Field Plans

The L78L05ACD13TR is commonly used in various electronic devices and systems, including: - Power supplies for microcontrollers, sensors, and other low-power digital circuits. - Battery-powered applications requiring a stable 5V power source. - Automotive electronics, such as dashboard displays and infotainment systems. - Industrial control systems, where reliable voltage regulation is crucial.

Detailed and Complete Alternative Models

  1. LM7805: A widely used 5V linear voltage regulator available in different package options.
  2. AMS1117-5.0: Low-dropout voltage regulator with a fixed 5V output and adjustable versions.
  3. NCP1117: High-performance linear voltage regulator with low quiescent current.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de L78L05ACD13TR en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of L78L05ACD13TR in technical solutions:

  1. Q: What is L78L05ACD13TR? A: L78L05ACD13TR is a voltage regulator IC that provides a fixed 5V output voltage.

  2. Q: What is the maximum input voltage for L78L05ACD13TR? A: The maximum input voltage for L78L05ACD13TR is 35V.

  3. Q: What is the maximum output current of L78L05ACD13TR? A: The maximum output current of L78L05ACD13TR is 100mA.

  4. Q: Can L78L05ACD13TR be used to regulate voltages other than 5V? A: No, L78L05ACD13TR is specifically designed to provide a fixed 5V output.

  5. Q: Is L78L05ACD13TR suitable for low-power applications? A: Yes, L78L05ACD13TR is commonly used in low-power applications due to its low quiescent current.

  6. Q: Does L78L05ACD13TR require any external components for operation? A: Yes, L78L05ACD13TR requires input and output capacitors for stability and filtering.

  7. Q: Can L78L05ACD13TR handle short-circuit conditions? A: Yes, L78L05ACD13TR has built-in protection features to handle short-circuit conditions.

  8. Q: What is the thermal resistance of L78L05ACD13TR? A: The thermal resistance of L78L05ACD13TR is typically around 50°C/W.

  9. Q: Can L78L05ACD13TR operate in high-temperature environments? A: Yes, L78L05ACD13TR has a maximum operating temperature of 125°C.

  10. Q: Is L78L05ACD13TR available in different package options? A: Yes, L78L05ACD13TR is available in various package options such as TO-92, SO-8, and DPAK.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for L78L05ACD13TR.