S-817B45AUA-CXIT2G

Product Overview

Category

The S-817B45AUA-CXIT2G belongs to the category of voltage regulators.

Use

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

Characteristics

• Low dropout voltage
• Low quiescent current
• High ripple rejection
• Built-in overcurrent protection
• Small package size

Package

The S-817B45AUA-CXIT2G comes in a small surface-mount 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-817B45AUA-CXIT2G is typically packaged in reels and is available in quantities suitable for both small-scale and large-scale production.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage: 4.5V
• Output Current: Up to 50mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 1.0μA (typical)
• Ripple Rejection: 70dB (typical)

Detailed Pin Configuration

The S-817B45AUA-CXIT2G has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient voltage regulation even with low input voltages.
• Low quiescent current minimizes power consumption when the device is in standby mode.
• High ripple rejection reduces noise and interference in the output voltage.
• Built-in overcurrent protection safeguards the circuit from excessive current flow.

Advantages and Disadvantages

Advantages

• Compact package size allows for space-saving designs.
• Wide input voltage range provides flexibility in various applications.
• Excellent ripple rejection ensures a stable output voltage.
• Built-in overcurrent protection enhances circuit reliability.

Disadvantages

• Limited output current capacity may not be suitable for high-power applications.
• Dropout voltage may cause a slight decrease in efficiency.

Working Principles

The S-817B45AUA-CXIT2G utilizes a voltage reference and error amplifier to compare the output voltage with a reference voltage. It adjusts the pass transistor's resistance to maintain a constant output voltage, compensating for changes in the input voltage and load conditions.

Detailed Application Field Plans

The S-817B45AUA-CXIT2G finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Wearable devices - IoT modules - Medical devices

Detailed and Complete Alternative Models

1. S-817A Series: Similar voltage regulators with different output voltages (e.g., S-817A30AUA-CWMT2G, S-817A33AUA-CWMT2G).
2. S-817B Series: Voltage regulators with higher output currents (e.g., S-817B50AUA-CWMT2G, S-817B33AUA-CWMT2G).
3. S-817C Series: Voltage regulators with lower dropout voltages (e.g., S-817C25AUA-CWMT2G, S-817C33AUA-CWMT2G).

Note: The alternative models listed above are just a few examples. There are several other models available within the S-817 series that cater to specific requirements.

In conclusion, the S-817B45AUA-CXIT2G is a voltage regulator known for its low dropout voltage, low quiescent current, and high ripple rejection. It is widely used in various electronic devices and offers advantages such as compact size and built-in overcurrent protection. However, it has limitations in terms of output current capacity and dropout voltage. Alternative models within the S-817 series provide options for different output voltages, currents, and dropout voltages to suit specific application requirements.