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S-817B12AMC-CWBT2U
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S-817B12AMC-CWBT2U

Product Overview

Category

The S-817B12AMC-CWBT2U belongs to the category of voltage regulators.

Use

This product is commonly used for voltage regulation in various electronic devices and circuits.

Characteristics

  • Input Voltage Range: 1.8V to 6.0V
  • Output Voltage: 1.2V
  • Output Current: 150mA
  • Low Dropout Voltage: 160mV (typ.)
  • High Ripple Rejection: 70dB (typ.)
  • Low Quiescent Current: 30µA (typ.)
  • Built-in Overcurrent Protection
  • Built-in Thermal Shutdown Circuit

Package

The S-817B12AMC-CWBT2U is available in a small surface-mount package, specifically the SOT-23-5 package.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage of 1.2V, with low dropout voltage and high ripple rejection.

Packaging/Quantity

The S-817B12AMC-CWBT2U is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

  • Input Voltage Range: 1.8V to 6.0V
  • Output Voltage: 1.2V
  • Output Current: 150mA
  • Dropout Voltage: 160mV (typ.)
  • Ripple Rejection: 70dB (typ.)
  • Quiescent Current: 30µA (typ.)
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOT-23-5

Detailed Pin Configuration

The S-817B12AMC-CWBT2U has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. NC (No Connection)
  4. VOUT (Output Voltage)
  5. EN (Enable)

Functional Features

  • Low Dropout Voltage: The S-817B12AMC-CWBT2U exhibits a low dropout voltage of 160mV, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
  • High Ripple Rejection: With a ripple rejection of 70dB, this voltage regulator effectively filters out noise and unwanted fluctuations from the input voltage, providing a clean and stable output.
  • Overcurrent Protection: The built-in overcurrent protection feature safeguards the circuit by limiting the output current in case of excessive load or short circuits.
  • Thermal Shutdown Circuit: The integrated thermal shutdown circuit protects the device from overheating, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for versatile applications.
  • Low dropout voltage ensures efficient voltage regulation.
  • High ripple rejection provides a clean and stable output.
  • Built-in overcurrent protection enhances circuit safety.
  • Thermal shutdown circuit prevents overheating and damage.

Disadvantages

  • Limited output current of 150mA may not be suitable for high-power applications.
  • No adjustable output voltage option available.

Working Principles

The S-817B12AMC-CWBT2U operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a constant output voltage of 1.2V, regardless of variations in the input voltage.

Detailed Application Field Plans

The S-817B12AMC-CWBT2U finds application in various electronic devices and circuits that require a stable and regulated output voltage of 1.2V. Some potential application fields include:

  1. Battery-powered devices: This voltage regulator can be used in portable electronic devices, such as smartphones, tablets, and wearable devices, to ensure a stable power supply for the internal circuitry.

  2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require precise voltage regulation. The S-817B12AMC-CWBT2U can be employed in IoT sensors, smart home devices, and other connected devices.

  3. Embedded systems: Many embedded systems rely on regulated voltage supplies to power microcontrollers, sensors, and other components. This voltage regulator can be integrated into embedded systems to provide a stable power source.

  4. Automotive electronics: The S-817B12AMC-CWBT2U can be utilized in automotive applications, such as infotainment systems, navigation devices, and control modules, where reliable voltage regulation is crucial.

Detailed and Complete Alternative Models

  1. S-817A12AMC-CWBT2U: Similar to the S-817B12AMC-CWBT2U, this model offers a regulated output voltage of 1.2V with

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací S-817B12AMC-CWBT2U v technických řešeních

Sure! Here are 10 common questions and answers related to the application of S-817B12AMC-CWBT2U in technical solutions:

  1. Q: What is the S-817B12AMC-CWBT2U? A: The S-817B12AMC-CWBT2U is a voltage detector IC (integrated circuit) that monitors the power supply voltage and provides a reset signal when the voltage drops below a certain threshold.

  2. Q: What is the operating voltage range of the S-817B12AMC-CWBT2U? A: The operating voltage range of this IC is typically between 1.6V and 6.0V.

  3. Q: How does the S-817B12AMC-CWBT2U detect voltage levels? A: It uses an internal voltage reference and a voltage divider network to compare the input voltage with a fixed threshold voltage.

  4. Q: What is the purpose of the reset signal provided by the S-817B12AMC-CWBT2U? A: The reset signal is used to initiate a system reset or to trigger specific actions when the power supply voltage drops below the threshold.

  5. Q: Can I adjust the threshold voltage of the S-817B12AMC-CWBT2U? A: No, the threshold voltage is fixed and cannot be adjusted externally.

  6. Q: What is the typical accuracy of the voltage detection in the S-817B12AMC-CWBT2U? A: The typical accuracy is around ±1.0% of the threshold voltage.

  7. Q: Does the S-817B12AMC-CWBT2U have any built-in delay for the reset signal? A: Yes, it has a built-in delay of approximately 200ms to prevent false resets due to voltage fluctuations.

  8. Q: Can the S-817B12AMC-CWBT2U be used in battery-powered applications? A: Yes, it can be used in battery-powered applications as long as the operating voltage range is within the specified limits.

  9. Q: What is the package type of the S-817B12AMC-CWBT2U? A: It is available in a small SOT-23-5 package.

  10. Q: Are there any additional features or protections provided by the S-817B12AMC-CWBT2U? A: Yes, it includes features like hysteresis, low current consumption, and overcurrent protection to enhance its performance and reliability.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.