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TPS78218DDCR
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TPS78218DDCR

Product Overview

Category

The TPS78218DDCR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Low quiescent current
  • Fast transient response

Package

The TPS78218DDCR comes in a small SOT-23 package, which is suitable for space-constrained applications.

Essence

The essence of the TPS78218DDCR lies in its ability to provide a stable output voltage despite fluctuations in input voltage or load conditions.

Packaging/Quantity

The TPS78218DDCR is typically packaged in reels containing 3000 units.

Specifications

  • Input Voltage Range: 2.7V to 6.5V
  • Output Voltage: 1.8V
  • Maximum Output Current: 150mA
  • Dropout Voltage: 160mV (at 150mA)
  • Quiescent Current: 25µA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The TPS78218DDCR has three pins:

  1. VIN: This pin is used to connect the input voltage.
  2. GND: This pin is connected to the ground.
  3. VOUT: This pin provides the regulated output voltage.

Functional Features

  • Overcurrent protection
  • Thermal shutdown protection
  • Reverse polarity protection
  • Short-circuit protection

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power dissipation.
  • Low dropout voltage allows for operation with low input voltages.
  • Fast transient response ensures stability during load changes.

Disadvantages

  • Limited maximum output current may restrict usage in high-power applications.
  • Narrow input voltage range may not be suitable for all scenarios.

Working Principles

The TPS78218DDCR operates based on a voltage regulation principle known as a linear regulator. It compares the output voltage to a reference voltage and adjusts the internal circuitry to maintain a stable output voltage.

Detailed Application Field Plans

The TPS78218DDCR finds applications in various fields, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  1. TPS78225DDCR: Similar to TPS78218DDCR, but with an output voltage of 2.5V.
  2. TPS78233DDCR: Similar to TPS78218DDCR, but with an output voltage of 3.3V.
  3. TPS78250DDCR: Similar to TPS78218DDCR, but with an output voltage of 5.0V.

These alternative models provide different output voltage options while maintaining similar characteristics and features.

In conclusion, the TPS78218DDCR is a voltage regulator that offers high efficiency, low dropout voltage, and fast transient response. It is commonly used in various electronic applications and provides stability in voltage regulation. However, it has limitations in terms of maximum output current and input voltage range. Alternative models with different output voltages are available to suit specific requirements.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TPS78218DDCR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of TPS78218DDCR in technical solutions:

  1. Q: What is TPS78218DDCR? A: TPS78218DDCR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments.

  2. Q: What is the input voltage range of TPS78218DDCR? A: The input voltage range of TPS78218DDCR is from 2.7V to 6.5V.

  3. Q: What is the output voltage of TPS78218DDCR? A: The output voltage of TPS78218DDCR is fixed at 1.8V.

  4. Q: What is the maximum output current of TPS78218DDCR? A: The maximum output current of TPS78218DDCR is 150mA.

  5. Q: What is the dropout voltage of TPS78218DDCR? A: The dropout voltage of TPS78218DDCR is typically 160mV at 150mA load.

  6. Q: Is TPS78218DDCR suitable for battery-powered applications? A: Yes, TPS78218DDCR is suitable for battery-powered applications due to its low quiescent current and wide input voltage range.

  7. Q: Can TPS78218DDCR handle high temperatures? A: Yes, TPS78218DDCR has a junction temperature range of -40°C to +125°C, making it suitable for high-temperature environments.

  8. Q: Does TPS78218DDCR have built-in protection features? A: Yes, TPS78218DDCR includes overcurrent protection, thermal shutdown, and reverse current protection.

  9. Q: Can TPS78218DDCR be used in automotive applications? A: Yes, TPS78218DDCR is AEC-Q100 qualified and can be used in automotive applications.

  10. Q: What package does TPS78218DDCR come in? A: TPS78218DDCR is available in a small SOT-23-5 package, which is suitable for space-constrained designs.

Please note that these answers are based on general information about TPS78218DDCR and may vary depending on specific application requirements.