S-817B39AY-B2-U

Product Overview

Category

The S-817B39AY-B2-U belongs to the category of voltage regulators.

Use

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

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Short-circuit protection

Package

The S-817B39AY-B2-U comes in a small surface-mount package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output for various electronic devices.

Packaging/Quantity

The S-817B39AY-B2-U is typically packaged in reels and is available in quantities of 1000 units per reel.

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Voltage: 3.9V
• Output Current: 50mA
• Dropout Voltage: 150mV (typical)
• Quiescent Current: 20µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-817B39AY-B2-U has the following pin configuration:

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

Functional Features

• High Precision Regulation: The S-817B39AY-B2-U provides accurate and stable voltage regulation, ensuring reliable performance of connected electronic devices.
• Low Dropout Voltage: With a low dropout voltage of only 150mV, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The low quiescent current ensures minimal power consumption when the regulator is in standby or idle mode.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
• Short-Circuit Protection: The S-817B39AY-B2-U is equipped with short-circuit protection, safeguarding the regulator and connected devices from potential damage.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures reliable performance.
• Low dropout voltage allows for efficient power conversion.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating.
• Short-circuit protection safeguards against potential damage.

Disadvantages

• Limited output current of 50mA may not be suitable for high-power applications.
• Narrow input voltage range restricts compatibility with certain systems.

Working Principles

The S-817B39AY-B2-U operates based on a voltage regulation principle known as a linear regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The S-817B39AY-B2-U finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

1. S-817A33ANB-CUJT2G: Similar voltage regulator with an output voltage of 3.3V.
2. S-817B25AMC-CWPT2G: Voltage regulator with an output voltage of 2.5V and higher output current capability.
3. S-817B50AUAC-CXMT2G: Voltage regulator with an output voltage of 5.0V and extended operating temperature range.

These alternative models offer different output voltages and additional features to cater to specific application requirements.

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