S-817B29AY-B2-U

Product Overview

Category

S-817B29AY-B2-U belongs to the category of voltage regulators.

Use

This product is used for regulating voltage in electronic circuits.

Characteristics

• Package: The S-817B29AY-B2-U 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 tubes, with a quantity of 3000 units per reel.

Specifications

The specifications of the S-817B29AY-B2-U are as follows:

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 2.9V
• Output Current: 50mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-817B29AY-B2-U has the following pin configuration:

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

Functional Features

The functional features of the S-817B29AY-B2-U include:

• 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 increased battery life for portable applications.
• Overcurrent protection: The regulator includes built-in protection against excessive current, safeguarding the circuit from damage.

Advantages and Disadvantages

Advantages: - Small package size allows for space-saving designs. - Wide input voltage range enables compatibility with various power sources. - Low dropout voltage ensures efficient voltage regulation.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Fixed output voltage restricts flexibility in certain designs.

Working Principles

The S-817B29AY-B2-U operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The S-817B29AY-B2-U is commonly used in various electronic devices, including:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low quiescent current and small package size of this voltage regulator.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require efficient voltage regulation, making the S-817B29AY-B2-U an ideal choice.
3. Industrial control systems: The stability and reliability of this voltage regulator make it suitable for use in industrial control systems that require precise voltage regulation.

Detailed and Complete Alternative Models

Some alternative models to the S-817B29AY-B2-U include:

1. S-817A29AN-B-CUETFG: This model offers a similar fixed output voltage of 2.9V but has a higher output current capability of 100mA.
2. S-817B30AU-B-CWMT2G: With a slightly higher output voltage of 3.0V, this model provides compatibility for applications requiring a different voltage level.
3. S-817B25AMC-CWPT2G: This alternative model offers a lower output voltage of 2.5V, suitable for applications with specific voltage requirements.

In conclusion, the S-817B29AY-B2-U is a voltage regulator with a fixed output voltage of 2.9V. It features low dropout voltage, low quiescent current, and overcurrent protection. This product finds applications in battery-powered devices, IoT devices, and industrial control systems. Alternative models with different specifications are available to cater to specific requirements.