S-817B38AY-B-G

Product Overview

Category

S-817B38AY-B-G belongs to the category of voltage regulators.

Use

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

Characteristics

• Package: The S-817B38AY-B-G comes in a small surface-mount package.
• Essence: It is a low-dropout voltage regulator with a fixed output voltage.
• Packaging/Quantity: The product is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

The specifications of the S-817B38AY-B-G are as follows:

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.8V
• Dropout Voltage: 160mV (typical)
• Output Current: 50mA (maximum)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of the S-817B38AY-B-G is as follows:

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

Functional Features

The S-817B38AY-B-G offers the following functional features:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, resulting in improved power efficiency.
• Short-circuit protection: The regulator is designed to protect against short-circuits, preventing damage to the circuitry.
• Thermal shutdown protection: In case of excessive heat, the regulator automatically shuts down to prevent overheating.

Advantages and Disadvantages

Advantages: - Small package size allows for space-saving designs. - Low dropout voltage ensures stable output even with low input voltages. - Low quiescent current results in improved power efficiency.

Disadvantages: - Limited output current of 50mA may not be suitable for high-power applications. - Operating temperature range of -40°C to +85°C may restrict usage in extreme environments.

Working Principles

The S-817B38AY-B-G operates based on the principle of regulating the input voltage to a fixed output voltage. It utilizes a feedback mechanism to continuously adjust the internal circuitry, ensuring that the output voltage remains constant despite variations in the input voltage.

Detailed Application Field Plans

The S-817B38AY-B-G is commonly used in various electronic devices and circuits, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices often require stable voltage regulation to ensure proper functionality.
2. IoT (Internet of Things) devices: Sensors, actuators, and other IoT devices often rely on voltage regulators to maintain consistent power supply.
3. Automotive electronics: The regulator can be employed in automotive applications where stable voltage is crucial for the operation of various systems.

Detailed and Complete Alternative Models

Some alternative models to the S-817B38AY-B-G include:

1. S-817A33AN-B-G: A similar voltage regulator with an output voltage of 3.3V.
2. S-817B30AU-B-G: Another variant with an output voltage of 3.0V.
3. S-817B25AMC-CWMT2G: This model offers a fixed output voltage of 2.5V.

These alternative models provide flexibility in choosing the appropriate voltage regulator based on specific application requirements.

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