S-817B59AUA-CXWT2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - Low quiescent current - High ripple rejection ratio - Built-in overcurrent protection - Built-in thermal shutdown circuit

Package: SOT-89-5

Essence: The S-817B59AUA-CXWT2G is a voltage regulator IC designed to provide a stable output voltage for various electronic devices.

Packaging/Quantity: The S-817B59AUA-CXWT2G is typically sold in reels of 3,000 units.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 30µA (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Overcurrent Protection: Yes
• Thermal Shutdown Circuit: Yes

Detailed Pin Configuration

The S-817B59AUA-CXWT2G has the following pin configuration:

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

Functional Features

• Low Dropout Voltage: The S-817B59AUA-CXWT2G has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Low Quiescent Current: The IC consumes very low quiescent current, making it suitable for battery-powered applications where power efficiency is crucial.
• High Ripple Rejection Ratio: The high ripple rejection ratio ensures that the output voltage remains stable even in the presence of input voltage fluctuations or noise.
• Overcurrent Protection: The built-in overcurrent protection circuitry safeguards the IC and the connected devices from excessive current flow, preventing damage.
• Thermal Shutdown Circuit: The thermal shutdown circuit protects the IC from overheating by shutting it down when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation even with low input voltages. - Low quiescent current minimizes power consumption, making it suitable for battery-powered applications. - High ripple rejection ratio provides a stable output voltage in noisy environments. - Built-in overcurrent protection prevents damage due to excessive current flow. - Thermal shutdown circuit protects the IC from overheating.

Disadvantages: - Limited input voltage range (2.0V to 6.0V) may not be suitable for all applications. - The SOT-89-5 package may require additional space on the PCB compared to smaller packages.

Working Principles

The S-817B59AUA-CXWT2G is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor's resistance to maintain a stable output voltage. The built-in overcurrent protection and thermal shutdown circuitry ensure safe operation under various conditions.

Detailed Application Field Plans

The S-817B59AUA-CXWT2G is commonly used in the following applications:

1. Battery-Powered Devices: Portable electronic devices such as smartphones, tablets, and wearable devices benefit from the low quiescent current and efficient voltage regulation provided by the S-817B59AUA-CXWT2G.
2. Industrial Control Systems: The IC can be used in industrial control systems to regulate voltages for various components, ensuring stable operation.
3. Automotive Electronics: The S-817B59AUA-CXWT2G can be employed in automotive electronics to regulate voltages for sensors, actuators, and other critical components.

Detailed and Complete Alternative Models

1. S-817B50AUA-CXWT2G
2. S-817B55AUA-CXWT2G
3. S-817B60AUA-CXWT2G
4. S-817B65AUA-CXWT2G
5. S-817B70AUA-CXWT2G

These alternative models offer similar voltage regulation capabilities and features, providing flexibility in choosing the most suitable option for specific applications.

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