S-812C22AY-B-G

Product Overview

Category

S-812C22AY-B-G belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.8V to 6.0V
• Maximum Output Current: 200mA
• Low Dropout Voltage: 160mV (at 100mA)
• High Ripple Rejection: 70dB (at 1kHz)
• Low Quiescent Current: 40µA (typical)

Package

The S-812C22AY-B-G comes in a small surface-mount package, making it suitable for compact electronic devices.

Essence

This voltage regulator provides stable and regulated output voltage, ensuring proper functioning of electronic circuits.

Packaging/Quantity

The S-812C22AY-B-G is typically packaged in reels or tape and reel format. The quantity per reel varies depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.8V to 6.0V
• Output Current: 200mA (maximum)
• Dropout Voltage: 160mV (at 100mA)
• Ripple Rejection: 70dB (at 1kHz)
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The S-812C22AY-B-G has a total of five pins arranged as follows:

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Pin 1: VIN (Input Voltage) Pin 2: GND (Ground) Pin 3: NC (No Connection) Pin 4: VOUT (Output Voltage) Pin 5: CE (Control Enable)

Functional Features

• Voltage Regulation: The S-812C22AY-B-G ensures a stable output voltage regardless of input voltage fluctuations.
• Low Dropout Voltage: With a dropout voltage as low as 160mV, this regulator minimizes power dissipation and improves efficiency.
• High Ripple Rejection: The device exhibits excellent performance in rejecting ripple noise, resulting in cleaner output voltage.
• Low Quiescent Current: The low quiescent current helps conserve power and extends battery life in portable applications.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile use in various electronic circuits.
• Small package size enables integration into space-constrained designs.
• Low dropout voltage reduces power dissipation and improves energy efficiency.
• High ripple rejection ensures a clean and stable output voltage.
• Low quiescent current helps conserve power in battery-powered devices.

Disadvantages

• Limited maximum output current of 200mA may not be suitable for high-power applications.
• No connection (NC) pin may require additional attention during circuit design to avoid unintended connections.

Working Principles

The S-812C22AY-B-G operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This feedback mechanism ensures that the output voltage remains constant despite variations in the input voltage.

Detailed Application Field Plans

The S-812C22AY-B-G finds applications in various electronic systems where stable voltage regulation is required. Some potential application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearables can benefit from the S-812C22AY-B-G's low quiescent current and efficient voltage regulation.
2. Industrial control systems: The regulator can be used in automation equipment, sensors, and other industrial applications that require stable power supply.
3. Automotive electronics: The S-812C22AY-B-G can be employed in automotive modules, infotainment systems, and other vehicle electronics to ensure reliable voltage regulation.

Detailed and Complete Alternative Models

1. S-812C33AY-B-G: Similar to S-812C22AY-B-G but with a higher output voltage range of 3.0V to 6.0V.
2. S-812C12AY-B-G: Similar to S-812C22AY-B-G but with a lower output voltage range of 1.2V to 5.0V.
3. S-812C15AY-B-G: Similar to S-812C22AY-B-G but with a lower output voltage range of 1.5V to 5.0V.

These alternative models provide similar functionality with slight variations in the output voltage range to cater to different application requirements.

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