S-817B45AY-B-G

Product Overview

Category

S-817B45AY-B-G belongs to the category of voltage regulators.

Use

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

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Short-circuit protection

Package

S-817B45AY-B-G comes in a small surface-mount package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring proper functioning of electronic devices.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Output Voltage: 4.5V
• Output Current: 50mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 1μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-817B45AY-B-G has three pins:

1. VIN (Input Voltage): Connects to the input voltage source.
2. VOUT (Output Voltage): Provides the regulated output voltage.
3. GND (Ground): Connected to the ground reference.

Functional Features

• High Precision Regulation: The S-817B45AY-B-G ensures precise voltage regulation, maintaining a stable output even under varying load conditions.
• Low Dropout Voltage: With a low dropout voltage of 160mV, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The device consumes minimal current in standby mode, conserving power and extending battery life.
• Thermal Shutdown Protection: In case of excessive temperature, the regulator automatically shuts down to prevent damage.
• Short-Circuit Protection: The S-817B45AY-B-G is equipped with short-circuit protection, safeguarding the circuit from potential damage.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures stable performance of electronic devices.
• Low dropout voltage allows efficient operation even with low input voltages.
• Low quiescent current prolongs battery life in portable applications.
• Thermal shutdown protection prevents overheating and damage.
• Short-circuit protection safeguards the circuit from potential faults.

Disadvantages

• Limited output current capacity (50mA) may not be suitable for high-power applications.
• Restricted input voltage range (2.5V - 6.0V) may limit compatibility with certain systems.

Working Principles

The S-817B45AY-B-G operates as a linear voltage regulator. It uses a reference voltage and feedback mechanism to maintain a constant output voltage regardless of changes in the input voltage or load conditions. By comparing the output voltage with the reference voltage, the regulator adjusts its internal circuitry to ensure a stable output.

Detailed Application Field Plans

The S-817B45AY-B-G finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

1. S-817A Series: Similar voltage regulators with different output voltage options.
2. S-817C Series: Higher output current versions of the S-817B series.
3. S-817D Series: Voltage regulators with additional features such as power-on reset and watchdog timer.

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

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