S-812C38AUA-C2ST2G

Product Overview

Category

The S-812C38AUA-C2ST2G belongs to the category of voltage regulators.

Use

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

Characteristics

• Input voltage range: 2.5V to 16V
• Output voltage: 3.8V
• Output current: 150mA
• Low dropout voltage: 160mV (typical)
• Low quiescent current: 30µA (typical)
• Built-in overcurrent protection
• Built-in thermal shutdown circuitry

Package

The S-812C38AUA-C2ST2G comes in a small surface-mount package, specifically the SOT-89-3 package.

Essence

The essence of this product lies in its ability to regulate voltage efficiently and reliably in various electronic applications.

Packaging/Quantity

The S-812C38AUA-C2ST2G is typically packaged in reels containing 3000 units per reel.

Specifications

• Input voltage range: 2.5V to 16V
• Output voltage: 3.8V
• Output current: 150mA
• Dropout voltage: 160mV (typical)
• Quiescent current: 30µA (typical)
• Line regulation: ±0.05% (typical)
• Load regulation: ±0.1% (typical)
• Ripple rejection ratio: 60dB (typical)
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The S-812C38AUA-C2ST2G has three pins arranged as follows:

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Pin 1: Input voltage (VIN) Pin 2: Ground (GND) Pin 3: Output voltage (VOUT)

Functional Features

• Voltage regulation: The S-812C38AUA-C2ST2G ensures a stable output voltage of 3.8V, regardless of input voltage fluctuations.
• Overcurrent protection: Built-in protection circuitry safeguards against excessive current flow, preventing damage to the device and connected components.
• Thermal shutdown: The regulator includes a thermal shutdown feature that activates when the temperature exceeds a certain threshold, protecting the device from overheating.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage minimizes power dissipation and improves efficiency.
• Low quiescent current helps conserve power in standby or low-load conditions.
• Compact surface-mount package enables space-saving designs.
• Built-in overcurrent protection enhances system reliability.
• Thermal shutdown prevents damage due to excessive heat.

Disadvantages

• Limited output current of 150mA may not be suitable for high-power applications.
• SOT-89-3 package may require specialized equipment for soldering and handling.

Working Principles

The S-812C38AUA-C2ST2G operates based on the principle of a linear voltage regulator. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This feedback mechanism ensures a constant output voltage despite variations in the input voltage.

Detailed Application Field Plans

The S-812C38AUA-C2ST2G finds application in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

• S-812C33AUA-C2ST2G: Output voltage of 3.3V, otherwise similar specifications.
• S-812C50AUA-C2ST2G: Output voltage of 5.0V, otherwise similar specifications.
• S-812C12AUA-C2ST2G: Output voltage of 12V, otherwise similar specifications.

These alternative models provide different output voltage options while maintaining similar characteristics and functionality to the S-812C38AUA-C2ST2G.

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