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TC54VN1202EZB
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TC54VN1202EZB

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Low Quiescent Current
  • Package: SOT-23
  • Essence: Regulates voltage with low power consumption
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 6.0V
  • Output Voltage: 1.2V
  • Output Current: 250mA
  • Dropout Voltage: 200mV at 100mA
  • Quiescent Current: 30µA
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TC54VN1202EZB has three pins:

  1. VIN - Input Voltage Pin
  2. GND - Ground Pin
  3. VOUT - Output Voltage Pin

Functional Features

  • Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
  • Low quiescent current minimizes power consumption during standby or idle mode.
  • Fast transient response enables quick stabilization of the output voltage.
  • Overcurrent and thermal shutdown protection safeguards the IC from damage.

Advantages and Disadvantages

Advantages

  • Compact SOT-23 package allows for space-saving integration in various applications.
  • Wide input voltage range provides flexibility in powering different devices.
  • Low quiescent current prolongs battery life in portable electronics.
  • Excellent line and load regulation ensures stable output voltage under varying conditions.

Disadvantages

  • Limited output current may not be suitable for high-power applications.
  • Dropout voltage may cause a slight voltage drop across the regulator.

Working Principles

The TC54VN1202EZB is a linear voltage regulator that maintains a constant output voltage regardless of changes in the input voltage or load conditions. It utilizes a pass transistor to regulate the output voltage by adjusting its resistance based on feedback from a voltage reference circuit. The regulator continuously compares the output voltage with the desired reference voltage and adjusts the pass transistor accordingly to maintain a stable output.

Detailed Application Field Plans

The TC54VN1202EZB is commonly used in various electronic devices, including:

  1. Battery-powered devices: Portable audio players, digital cameras, and handheld gaming consoles.
  2. Communication systems: Mobile phones, wireless routers, and Bluetooth devices.
  3. Automotive electronics: Infotainment systems, GPS navigation units, and dashboard displays.
  4. Industrial equipment: Sensors, control systems, and power management modules.

Detailed and Complete Alternative Models

  • TC54VC1202EZB: Same specifications but with an adjustable output voltage.
  • TC54VN1205EZB: Similar characteristics but provides a 1.5V output voltage.
  • TC54VN1209EZB: Offers a 0.9V output voltage with comparable features.

These alternative models can be considered based on specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TC54VN1202EZB i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TC54VN1202EZB in technical solutions:

  1. Q: What is TC54VN1202EZB? A: TC54VN1202EZB is a voltage supervisor IC (Integrated Circuit) used for monitoring power supply voltages in electronic systems.

  2. Q: What is the purpose of using TC54VN1202EZB in technical solutions? A: The purpose of using TC54VN1202EZB is to ensure stable and reliable operation of electronic systems by monitoring power supply voltages and generating reset signals when necessary.

  3. Q: How does TC54VN1202EZB work? A: TC54VN1202EZB 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 system recovery.

  4. Q: What is the operating voltage range of TC54VN1202EZB? A: TC54VN1202EZB operates within a voltage range of 1.6V to 5.5V.

  5. Q: Can TC54VN1202EZB be used in battery-powered applications? A: Yes, TC54VN1202EZB can be used in battery-powered applications as it has a low quiescent current consumption, making it suitable for power-sensitive designs.

  6. Q: Does TC54VN1202EZB have any built-in delay for the reset signal? A: Yes, TC54VN1202EZB has a fixed delay of approximately 200ms to ensure proper stabilization of the power supply before releasing the reset signal.

  7. Q: Can TC54VN1202EZB be used in both positive and negative voltage monitoring applications? A: No, TC54VN1202EZB is designed for positive voltage monitoring applications only.

  8. Q: What is the output type of TC54VN1202EZB? A: TC54VN1202EZB has an open-drain output, which requires an external pull-up resistor to provide a logic-level signal.

  9. Q: Is TC54VN1202EZB suitable for automotive applications? A: Yes, TC54VN1202EZB is suitable for automotive applications as it meets the necessary requirements such as AEC-Q100 Grade 1 qualification.

  10. Q: Can multiple TC54VN1202EZB devices be used in parallel for redundancy? A: Yes, multiple TC54VN1202EZB devices can be used in parallel to provide redundancy and enhance system reliability by monitoring different power supply rails.