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S-817B21AUA-CWKT2U
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S-817B21AUA-CWKT2U

Product Overview

Category

The S-817B21AUA-CWKT2U belongs to the category of voltage regulators.

Use

This product is primarily used for voltage regulation in electronic circuits.

Characteristics

  • Low dropout voltage
  • Low quiescent current
  • High ripple rejection ratio
  • Built-in overcurrent protection
  • Small package size

Package

The S-817B21AUA-CWKT2U comes in a compact surface-mount package.

Essence

The essence of this product lies in its ability to regulate voltage efficiently and reliably in various electronic applications.

Packaging/Quantity

The S-817B21AUA-CWKT2U is typically packaged in reels and is available in quantities suitable for both small-scale and large-scale production.

Specifications

  • Input Voltage Range: 2.0V to 6.0V
  • Output Voltage: 2.1V
  • Dropout Voltage: 0.18V (typical)
  • Quiescent Current: 1.0μA (typical)
  • Ripple Rejection Ratio: 70dB (typical)
  • Overcurrent Protection: Built-in

Detailed Pin Configuration

The S-817B21AUA-CWKT2U has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)

Functional Features

  • Low Dropout Voltage: The S-817B21AUA-CWKT2U exhibits a low dropout voltage, ensuring efficient voltage regulation even when the input voltage is close to the desired output voltage.
  • Low Quiescent Current: With a low quiescent current, this voltage regulator minimizes power consumption, making it suitable for battery-powered devices.
  • High Ripple Rejection Ratio: The high ripple rejection ratio allows the S-817B21AUA-CWKT2U to effectively suppress noise and fluctuations in the input voltage, providing a stable output.
  • Built-in Overcurrent Protection: This product incorporates overcurrent protection, safeguarding the circuit from excessive current flow and potential damage.

Advantages and Disadvantages

Advantages

  • Efficient voltage regulation
  • Low power consumption
  • Stable output voltage
  • Built-in overcurrent protection

Disadvantages

  • Limited output voltage options
  • Not suitable for high-power applications

Working Principles

The S-817B21AUA-CWKT2U operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By maintaining a constant voltage drop across the pass transistor, it ensures a stable output voltage regardless of variations in the input voltage.

Detailed Application Field Plans

The S-817B21AUA-CWKT2U finds applications in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wearable devices - IoT devices

Detailed and Complete Alternative Models

  1. S-817B22AUA-CWKT2U
  2. S-817B23AUA-CWKT2U
  3. S-817B24AUA-CWKT2U
  4. S-817B25AUA-CWKT2U
  5. S-817B26AUA-CWKT2U

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable voltage regulator for specific applications.

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技術ソリューションにおける S-817B21AUA-CWKT2U の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. Question: What is the operating voltage range of S-817B21AUA-CWKT2U?
    Answer: The operating voltage range is 0.9V to 6.0V.

  2. Question: What is the typical quiescent current of S-817B21AUA-CWKT2U?
    Answer: The typical quiescent current is 1.0μA.

  3. Question: Can S-817B21AUA-CWKT2U be used in battery-powered applications?
    Answer: Yes, it is suitable for battery-powered applications due to its low quiescent current.

  4. Question: What is the output voltage accuracy of S-817B21AUA-CWKT2U?
    Answer: The output voltage accuracy is ±2.0%.

  5. Question: Is S-817B21AUA-CWKT2U suitable for use in automotive electronics?
    Answer: Yes, it is AEC-Q100 qualified and suitable for automotive applications.

  6. Question: What is the maximum output current of S-817B21AUA-CWKT2U?
    Answer: The maximum output current is 50mA.

  7. Question: Can S-817B21AUA-CWKT2U withstand reverse polarity?
    Answer: Yes, it has built-in reverse polarity protection.

  8. Question: Does S-817B21AUA-CWKT2U have a thermal shutdown feature?
    Answer: Yes, it includes a thermal shutdown feature for overtemperature protection.

  9. Question: What is the package type of S-817B21AUA-CWKT2U?
    Answer: It comes in a SOT-89-3 package.

  10. Question: Is S-817B21AUA-CWKT2U RoHS compliant?
    Answer: Yes, it is RoHS compliant, making it suitable for environmentally conscious designs.