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TC54VN3702EZB
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TC54VN3702EZB

Product Overview

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

Specifications

  • Input Voltage Range: 2.5V to 6.0V
  • Output Voltage Range: 1.2V to 5.5V
  • Dropout Voltage: 200mV at 100mA load current
  • Quiescent Current: 45µA typical
  • Output Current: 250mA maximum
  • Line Regulation: ±0.2% typical
  • Load Regulation: ±0.4% typical
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TC54VN3702EZB 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 differentials.
  • Low quiescent current minimizes power consumption in standby or idle mode.
  • High accuracy provides precise output voltage regulation.
  • Short-circuit protection prevents damage to the device during fault conditions.
  • Thermal shutdown protects the IC from overheating.

Advantages and Disadvantages

Advantages

  • High accuracy ensures stable and reliable voltage regulation.
  • Low dropout voltage allows for efficient operation even with low input-output differentials.
  • Low quiescent current reduces power consumption, making it suitable for battery-powered applications.
  • Short-circuit protection enhances device durability.
  • Thermal shutdown prevents overheating and extends the lifespan of the IC.

Disadvantages

  • Limited output current capability compared to higher-rated voltage regulators.
  • SOT-23 package may require additional heat dissipation measures for high-power applications.

Working Principles

The TC54VN3702EZB 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 voltage. The dropout voltage is minimized by utilizing a low-resistance pass transistor.

Detailed Application Field Plans

The TC54VN3702EZB is suitable for various applications, including:

  1. Battery-powered devices: Portable electronics, wireless sensors, and remote controls.
  2. Automotive systems: Infotainment systems, lighting control modules, and engine management units.
  3. Industrial equipment: Measurement instruments, motor control circuits, and power supplies.
  4. Consumer electronics: Smartphones, tablets, and digital cameras.

Detailed and Complete Alternative Models

  1. LM1117-3.3: 3.3V Low Dropout Voltage Regulator
  2. LT1763-5: 5V Ultra-Low Dropout Linear Regulator
  3. MCP1700-3302E: 3.3V Low Quiescent Current LDO Regulator
  4. TPS79633DCQR: 3.3V High Accuracy LDO Voltage Regulator

These alternative models offer similar functionality and can be considered as substitutes for the TC54VN3702EZB in various applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TC54VN3702EZB i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TC54VN3702EZB in technical solutions:

  1. Q: What is TC54VN3702EZB? A: TC54VN3702EZB 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 TC54VN3702EZB? A: TC54VN3702EZB is commonly used in various technical solutions where reliable power supply monitoring and system reset functionality are required, such as microcontrollers, DSPs, FPGAs, and other digital systems.

  3. Q: How does TC54VN3702EZB work? A: TC54VN3702EZB continuously monitors the input voltage and compares it with a reference voltage. If the input voltage drops below the reference voltage, it generates a reset signal to initiate a system reset.

  4. Q: What is the operating voltage range of TC54VN3702EZB? A: The operating voltage range of TC54VN3702EZB is typically between 1.6V and 5.5V.

  5. Q: Can TC54VN3702EZB be used with both positive and negative voltage supplies? A: No, TC54VN3702EZB is designed for use with positive voltage supplies only.

  6. Q: What is the reset threshold voltage of TC54VN3702EZB? A: The reset threshold voltage of TC54VN3702EZB can be set to different values depending on the specific variant, but common options include 2.63V, 3.08V, and 4.38V.

  7. Q: Does TC54VN3702EZB have any built-in delay for the reset signal? A: Yes, TC54VN3702EZB typically includes a fixed delay of around 200ms to ensure stable power supply before releasing the reset signal.

  8. Q: Can TC54VN3702EZB be used in battery-powered applications? A: Yes, TC54VN3702EZB is suitable for battery-powered applications as it has low quiescent current and operates within a wide voltage range.

  9. Q: Is TC54VN3702EZB available in different package options? A: Yes, TC54VN3702EZB is available in various package options, including SOT-23, SC-70, and DFN, allowing flexibility in board design.

  10. Q: Are there any additional features or protections provided by TC54VN3702EZB? A: Yes, TC54VN3702EZB often includes features like watchdog timer, manual reset input, and overvoltage protection to enhance system reliability and functionality.

Please note that the answers provided here are general and may vary depending on the specific variant or datasheet of TC54VN3702EZB. It's always recommended to refer to the manufacturer's documentation for accurate and detailed information.