S-817B41AY-B2-U

Product Overview

Category

The S-817B41AY-B2-U belongs to the category of voltage regulators.

Use

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

Characteristics

• Input voltage range: 2.0V to 6.0V
• Output voltage: 4.1V
• Output current: up to 50mA
• Low quiescent current: 1.0µA (typ.)
• Low dropout voltage: 160mV (typ.)
• Built-in overcurrent protection
• Small package size: SOT-23-5

Package

The S-817B41AY-B2-U is packaged in a small outline transistor (SOT) package, specifically SOT-23-5. This package provides excellent thermal performance and compactness.

Essence

The essence of the S-817B41AY-B2-U is its ability to regulate voltage efficiently and reliably in various electronic applications.

Packaging/Quantity

This product is typically available in reels containing 3,000 units per reel.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage: 4.1V ±2%
• Output Current: Up to 50mA
• Dropout Voltage: 160mV (typ.)
• Quiescent Current: 1.0µA (typ.)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The S-817B41AY-B2-U has five pins arranged as follows:

```

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| | --| 1 |-- VIN --| 2 |-- GND --| 3 |-- VOUT --| 4 |-- NC --| 5 |-- EN |____| ```

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. NC: No connection (unused pin)
5. EN: Enable pin

Functional Features

• Voltage regulation: The S-817B41AY-B2-U provides a stable output voltage of 4.1V, regardless of input voltage fluctuations.
• Low quiescent current: With a typical quiescent current of only 1.0µA, this regulator minimizes power consumption in standby or low-load conditions.
• Overcurrent protection: The built-in overcurrent protection feature safeguards the circuit from excessive current flow, enhancing system reliability.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage ensures efficient operation even with small input-output voltage differentials.
• Small package size enables space-saving integration into compact electronic devices.
• Built-in overcurrent protection enhances system safety and reliability.

Disadvantages

• Limited output current capacity of up to 50mA may not be suitable for high-power applications.
• Fixed output voltage may restrict flexibility in certain designs requiring adjustable voltage levels.

Working Principles

The S-817B41AY-B2-U is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage derived from the output. Any difference between these voltages is adjusted by controlling the pass transistor to maintain a constant output voltage.

Detailed Application Field Plans

The S-817B41AY-B2-U finds application 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

• S-817B33AMC-CWJT2G: 3.3V output voltage, 50mA output current
• S-817B25AMC-CWJT2G: 2.5V output voltage, 50mA output current
• S-817B12AMC-CWJT2G: 1.2V output voltage, 50mA output current
• S-817B05AMC-CWJT2G: 0.5V output voltage, 50mA output current

These alternative models offer different output voltage options while maintaining similar characteristics and package types.

In conclusion, the S-817B41AY-B2-U is a voltage regulator designed for efficient and reliable voltage regulation in electronic circuits. With its compact size, low quiescent current, and built-in overcurrent protection, it offers several advantages for various applications. However, its limited output current capacity and fixed output voltage may pose limitations in certain scenarios. Nonetheless, this product serves as a valuable solution in battery-powered devices, consumer electronics, industrial control systems, automotive electronics, and medical equipment.