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TC54VN1102EZB
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TC54VN1102EZB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Low Quiescent Current, High Accuracy
  • Package: SOT-23-5
  • Essence: Regulates voltage to provide a stable output
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Options: 1.8V, 2.5V, 3.3V, 5.0V
  • Output Current: Up to 150mA
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 35µA typical
  • Line Regulation: ±0.2% typical
  • Load Regulation: ±0.4% typical
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TC54VN1102EZB is a 5-pin device with the following pin configuration:

  1. GND: Ground connection
  2. VIN: Input voltage
  3. VOUT: Output voltage
  4. BYPASS: Bypass capacitor connection
  5. EN: Enable pin for turning the regulator on/off

Functional Features

  • Low dropout voltage ensures efficient regulation even with small input-output differentials.
  • Low quiescent current minimizes power consumption in standby or low-load conditions.
  • High accuracy provides precise output voltage regulation.
  • Enable pin allows for easy control of the regulator's operation.

Advantages

  • Wide input voltage range allows for compatibility with various power sources.
  • Small package size (SOT-23-5) enables space-saving designs.
  • Excellent line and load regulation ensure stable output voltage under different conditions.
  • Low dropout voltage reduces power dissipation and extends battery life.

Disadvantages

  • Limited output current may not be suitable for high-power applications.
  • Lack of adjustable output voltage limits flexibility in certain designs.

Working Principles

The TC54VN1102EZB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor's resistance to maintain a stable output. The enable pin allows the user to turn the regulator on or off as needed.

Detailed Application Field Plans

The TC54VN1102EZB is commonly used in various electronic devices and systems, including:

  1. Battery-powered portable devices: Provides regulated voltage for microcontrollers, sensors, and other components.
  2. Communication equipment: Ensures stable voltage supply for RF modules, transceivers, and signal processing circuits.
  3. Industrial control systems: Used in automation and control applications to maintain consistent power to sensors, actuators, and control circuitry.
  4. Automotive electronics: Regulates voltage for infotainment systems, lighting controls, and other automotive subsystems.
  5. Medical devices: Provides reliable voltage regulation for medical instruments and implants.

Detailed and Complete Alternative Models

  1. LM1117-3.3: Similar voltage regulator with adjustable output voltage.
  2. MCP1700-3302E: Low quiescent current alternative with fixed 3.3V output.
  3. TPS79633: High-current variant with fixed 3.3V output and low dropout voltage.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TC54VN1102EZB i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TC54VN1102EZB in technical solutions:

  1. Q: What is TC54VN1102EZB? A: TC54VN1102EZB is a voltage supervisor IC (Integrated Circuit) that monitors the power supply voltage and provides a reset signal when the voltage falls below a certain threshold.

  2. Q: What are the typical applications of TC54VN1102EZB? A: TC54VN1102EZB is commonly used in various electronic systems, such as microcontrollers, DSPs, FPGAs, and other digital devices, to ensure proper operation during power-up and power-down sequences.

  3. Q: How does TC54VN1102EZB work? A: TC54VN1102EZB continuously monitors the input voltage and compares it with a preset threshold. If the voltage drops below the threshold, it generates a reset signal to initiate a system reset or hold-off until the voltage rises above the threshold.

  4. Q: What is the operating voltage range of TC54VN1102EZB? A: The operating voltage range of TC54VN1102EZB is typically between 1.6V and 5.5V.

  5. Q: Can TC54VN1102EZB be used with both positive and negative voltage supplies? A: No, TC54VN1102EZB is designed for positive voltage supplies only. It cannot be used with negative voltage supplies.

  6. Q: What is the output type of TC54VN1102EZB? A: TC54VN1102EZB has an open-drain output, which means it can sink current but cannot source current. An external pull-up resistor is required to provide the logic high level.

  7. Q: What is the typical reset threshold voltage of TC54VN1102EZB? A: The typical reset threshold voltage of TC54VN1102EZB is 1.10V.

  8. Q: Can the reset threshold voltage be adjusted in TC54VN1102EZB? A: No, the reset threshold voltage of TC54VN1102EZB is fixed and cannot be adjusted.

  9. Q: Does TC54VN1102EZB have any additional features? A: Yes, TC54VN1102EZB includes a built-in watchdog timer (WDT) that can be enabled to monitor system activity and generate a reset if necessary.

  10. Q: Is TC54VN1102EZB available in different package options? A: Yes, TC54VN1102EZB is available in various package options, such as SOT-23, SC-70, and DFN, to accommodate different PCB layout requirements.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for TC54VN1102EZB.