S-817B32AUA-CWVT2U

Product Overview

Category

S-817B32AUA-CWVT2U belongs to the category of voltage regulators.

Use

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

Characteristics

• Package: SOT-89-5
• Essence: Low-dropout voltage regulator
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

The specifications of S-817B32AUA-CWVT2U are as follows:

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.8V to 5.0V
• Output Current: 50mA (max)
• Dropout Voltage: 160mV (typ) at 50mA
• Quiescent Current: 40µA (typ)
• Line Regulation: ±0.05%/V (typ)
• Load Regulation: ±0.05%/mA (typ)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of S-817B32AUA-CWVT2U is as follows:

1. VOUT (Output Voltage)
2. GND (Ground)
3. VIN (Input Voltage)
4. CE (Control Enable)
5. NC (No Connection)

Functional Features

• Low dropout voltage: The S-817B32AUA-CWVT2U exhibits a low dropout voltage of only 160mV, ensuring efficient regulation even with low input voltages.
• Low quiescent current: With a typical quiescent current of 40µA, this voltage regulator minimizes power consumption when the load is light.
• Excellent line and load regulation: The device offers precise voltage regulation with a line regulation of ±0.05%/V and load regulation of ±0.05%/mA.
• Control enable function: The CE pin allows for easy control of the regulator's output, enabling power-saving modes when necessary.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation even with low input voltages.
• Low quiescent current minimizes power consumption during light loads.
• Precise line and load regulation provide stable output voltage.
• Control enable function allows for flexible power management.

Disadvantages

• Limited output current of 50mA may not be suitable for high-power applications.
• Operating temperature range of -40°C to +85°C may restrict usage in extreme environments.

Working Principles

The S-817B32AUA-CWVT2U is a low-dropout voltage regulator that operates by maintaining a constant output voltage despite variations in the input voltage and load conditions. It achieves this through an internal feedback mechanism that adjusts the pass transistor's resistance to regulate the output voltage within the specified range.

Detailed Application Field Plans

The S-817B32AUA-CWVT2U finds application in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the efficient voltage regulation provided by this product.
2. IoT devices: Internet of Things (IoT) devices often operate on low input voltages and require precise voltage regulation, making the S-817B32AUA-CWVT2U an ideal choice.
3. Automotive electronics: With its wide operating temperature range, this voltage regulator can be used in automotive applications where temperature fluctuations are common.
4. Industrial control systems: The stability and low power consumption of the S-817B32AUA-CWVT2U make it suitable for use in industrial control systems, ensuring reliable operation.

Detailed and Complete Alternative Models

1. S-817A32AUA-CWVT2U: Similar to S-817B32AUA-CWVT2U, but with a different package (SOT-23-5).
2. S-817B33AUA-CWVT2U: A higher output voltage version of the S-817B32AUA-CWVT2U, with an output voltage range of 2.0V to 6.0V.
3. S-817B31AUA-CWVT2U: A lower output voltage version of the S-817B32AUA-CWVT2U, with an output voltage range of 1.2V to 4.5V.

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the appropriate voltage regulator for specific applications.

In conclusion, the S-817B32AUA-CWVT2U is a low-dropout voltage regulator that offers efficient voltage regulation, low power consumption, and precise control. Its wide range of applications and availability of alternative models make it a versatile choice for various