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S-817A37APF-CVATFU
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S-817A37APF-CVATFU

Basic Information Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - Low quiescent current - High ripple rejection ratio - Built-in overcurrent protection - Thermal shutdown protection

Package: SOP-4

Essence: The S-817A37APF-CVATFU is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: Available in tape and reel packaging, with 3,000 units per reel.

Specifications

  • Input Voltage Range: 2.0V to 6.0V
  • Output Voltage: 3.7V
  • Output Current: Up to 150mA
  • Dropout Voltage: 160mV (typical)
  • Quiescent Current: 1.0µA (typical)
  • Ripple Rejection Ratio: 70dB (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-817A37APF-CVATFU has the following pin configuration:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)
  4. CE (Control Enable)

Functional Features

  • Low Dropout Voltage: The IC maintains a stable output voltage even when the input voltage is close to the desired output voltage.
  • Low Quiescent Current: The IC consumes very low current when in standby mode, resulting in increased battery life for portable devices.
  • High Ripple Rejection Ratio: The IC effectively filters out noise and ripple from the input voltage, ensuring a clean and stable output.
  • Built-in Overcurrent Protection: The IC automatically shuts down if the output current exceeds its maximum rating, protecting the connected devices.
  • Thermal Shutdown Protection: The IC has built-in thermal protection that shuts down the device if the temperature exceeds a safe operating limit.

Advantages and Disadvantages

Advantages: - Provides stable output voltage for electronic devices - Low dropout voltage ensures efficient power conversion - Low quiescent current prolongs battery life - Built-in overcurrent and thermal protection enhance safety - High ripple rejection ratio ensures clean output voltage

Disadvantages: - Limited output current capacity (up to 150mA) - Restricted input voltage range (2.0V to 6.0V)

Working Principles

The S-817A37APF-CVATFU is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The internal circuitry of the IC ensures low dropout voltage, low quiescent current, and protection features.

Detailed Application Field Plans

The S-817A37APF-CVATFU is commonly used in various electronic devices that require a stable voltage supply. Some typical applications include:

  1. Mobile Phones: Powering the core components such as microprocessors, memory, and display modules.
  2. Portable Audio Players: Providing a stable voltage for audio processing and amplification circuits.
  3. Wearable Devices: Supplying power to sensors, microcontrollers, and wireless communication modules.
  4. Battery-Powered IoT Devices: Regulating voltage for sensors, data acquisition systems, and wireless connectivity modules.
  5. Automotive Electronics: Supporting voltage regulation in infotainment systems, dashboard displays, and control units.

Detailed and Complete Alternative Models

  1. S-817A33APF-CVATFU: Output voltage of 3.3V, similar characteristics and package.
  2. S-817A50APF-CVATFU: Output voltage of 5.0V, similar characteristics and package.
  3. S-817A18APF-CVATFU: Output voltage of 1.8V, similar characteristics and package.

These alternative models provide different output voltages while maintaining similar characteristics and package options.

(Note: The content provided above is a sample entry and may not reflect actual specifications or alternative models of the mentioned product.)

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de S-817A37APF-CVATFU en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of S-817A37APF-CVATFU in technical solutions:

  1. Q: What is S-817A37APF-CVATFU? A: S-817A37APF-CVATFU is a voltage detector IC (integrated circuit) manufactured by a specific company. It is used to monitor and detect voltage levels in various electronic devices.

  2. Q: What is the operating voltage range of S-817A37APF-CVATFU? A: The operating voltage range of S-817A37APF-CVATFU is typically between 1.6V and 6.0V.

  3. Q: How does S-817A37APF-CVATFU work? A: S-817A37APF-CVATFU works by comparing the input voltage with a reference voltage. If the input voltage falls below or exceeds the specified threshold, it triggers an output signal.

  4. Q: What is the output type of S-817A37APF-CVATFU? A: S-817A37APF-CVATFU has an open-drain output type, which means it can sink current but cannot source current.

  5. Q: What is the typical quiescent current consumption of S-817A37APF-CVATFU? A: The typical quiescent current consumption of S-817A37APF-CVATFU is around 1.0µA.

  6. Q: Can S-817A37APF-CVATFU be used for overvoltage protection? A: No, S-817A37APF-CVATFU is primarily designed for undervoltage detection. It does not provide overvoltage protection.

  7. Q: What is the typical voltage threshold accuracy of S-817A37APF-CVATFU? A: The typical voltage threshold accuracy of S-817A37APF-CVATFU is ±1.0%.

  8. Q: Can S-817A37APF-CVATFU be used in automotive applications? A: Yes, S-817A37APF-CVATFU is suitable for automotive applications as it meets the necessary standards and specifications.

  9. Q: Does S-817A37APF-CVATFU have built-in hysteresis? A: Yes, S-817A37APF-CVATFU has a built-in hysteresis feature to prevent output oscillation near the threshold voltage.

  10. Q: What is the package type of S-817A37APF-CVATFU? A: S-817A37APF-CVATFU is available in a small surface-mount SOT-23-5 package.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's documentation for S-817A37APF-CVATFU.