S-817B42AY-B2-U

Product Overview

Category

The S-817B42AY-B2-U belongs to the category of voltage regulators.

Use

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

Characteristics

• Compact size
• Low power consumption
• High accuracy
• Wide input voltage range
• Overcurrent protection
• Thermal shutdown protection

Package

The S-817B42AY-B2-U comes in a small surface-mount package.

Essence

The essence of this product lies in its ability to regulate and stabilize voltage levels in electronic devices, ensuring proper functioning and preventing damage due to voltage fluctuations.

Packaging/Quantity

The S-817B42AY-B2-U is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 4.2V
• Output Current: 50mA
• Dropout Voltage: 150mV (max)
• Quiescent Current: 1µA (typ)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-817B42AY-B2-U has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Voltage regulation: The S-817B42AY-B2-U ensures a stable output voltage of 4.2V regardless of variations in the input voltage.
• Overcurrent protection: It incorporates overcurrent protection to safeguard the circuit from excessive current flow.
• Thermal shutdown protection: In case of excessive temperature rise, the device automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into small electronic devices.
• Low power consumption helps conserve energy.
• High accuracy ensures precise voltage regulation.
• Wide input voltage range provides flexibility in various applications.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• Dropout voltage of 150mV may cause a slight voltage drop across the regulator.

Working Principles

The S-817B42AY-B2-U operates based on the principle of a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 4.2V.

Detailed Application Field Plans

The S-817B42AY-B2-U finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Wearable devices - IoT devices - Medical equipment - Industrial control systems

Detailed and Complete Alternative Models

1. S-817A42AN-B-CUETFG: Similar specifications, but with an adjustable output voltage.
2. S-817B33AMC-CWMT2G: Lower output voltage (3.3V) variant with similar characteristics.
3. S-817B50AMC-CWMT2G: Higher output voltage (5.0V) variant with similar characteristics.

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

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