S-817B42AUA-CXFT2U

Product Overview

Category

S-817B42AUA-CXFT2U belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation capability
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Short-circuit current limit

Package

S-817B42AUA-CXFT2U is available in a small surface-mount package.

Essence

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

Packaging/Quantity

This 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: 4.2V
• Dropout Voltage: 0.1V (typical)
• Quiescent Current: 20µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Voltage regulation: The S-817B42AUA-CXFT2U ensures a stable output voltage regardless of input voltage fluctuations.
• Low dropout voltage: This feature allows the regulator to operate even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, conserving power.
• Thermal shutdown protection: In case of excessive temperature, the regulator shuts down to prevent damage.
• Short-circuit current limit: The device limits the current in case of a short circuit, protecting the circuitry.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• Low power consumption
• Compact size
• Thermal protection

Disadvantages

• Limited input voltage range
• Not suitable for high-power applications

Working Principles

The S-817B42AUA-CXFT2U operates based on a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The dropout voltage is minimized by using a low-resistance pass element, allowing the regulator to operate efficiently even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

This voltage regulator is commonly used in various electronic devices, including:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the efficient voltage regulation provided by the S-817B42AUA-CXFT2U.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require stable power supply, making this regulator an ideal choice.
3. Automotive electronics: With its thermal shutdown protection and compact size, this regulator can be used in automotive applications where space is limited and temperature fluctuations are common.

Detailed and Complete Alternative Models

1. S-817A33AUA-CWPT2G: This model offers a different output voltage of 3.3V while sharing similar characteristics and package options.
2. S-817B25AUA-CXBT2G: With an output voltage of 2.5V, this alternative model suits applications requiring a lower voltage level.

Note: These alternative models should be evaluated based on specific requirements and compatibility with the target application.

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