S-8354A33UA-JQST2U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output voltage accuracy
  • Low quiescent current
  • Thermal shutdown protection
• Package: SOT-89-5
• Essence: This IC is designed to regulate the output voltage of a power supply circuit.
• Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.8V to 5.0V
• Dropout Voltage: 200mV (typical)
• Output Current: 500mA (maximum)
• Quiescent Current: 30μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-8354A33UA-JQST2U IC has a total of five pins arranged as follows:

```

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| | --| VIN VOUT|-- --| GND EN |-- |___________| ```

Pin Description: - VIN: Input voltage pin - VOUT: Output voltage pin - GND: Ground pin - EN: Enable pin (active high)

Functional Features

• Low Dropout Voltage: The IC maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• High Output Voltage Accuracy: Provides precise regulation of the output voltage, ensuring consistent performance.
• Low Quiescent Current: Consumes minimal current when the load is not drawing power, resulting in improved efficiency.
• Thermal Shutdown Protection: Automatically shuts down the IC if the temperature exceeds a safe operating limit, preventing damage.

Advantages and Disadvantages

Advantages: - High output voltage accuracy ensures reliable performance. - Low dropout voltage allows for efficient power conversion. - Low quiescent current minimizes power consumption. - Thermal shutdown protection safeguards the IC from overheating.

Disadvantages: - Limited maximum output current of 500mA may not be suitable for high-power applications. - Input voltage range is limited to 2.5V to 6.0V, which may restrict compatibility with certain power sources.

Working Principles

The S-8354A33UA-JQST2U operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The enable pin (EN) controls the operation of the IC, allowing it to be turned on or off as required.

Detailed Application Field Plans

The S-8354A33UA-JQST2U is commonly used in various electronic devices and circuits that require a regulated power supply. Some typical application fields include: - Battery-powered devices - Portable consumer electronics - Embedded systems - IoT devices - Industrial control systems

Detailed and Complete Alternative Models

1. S-8354A50UA-JQST2U: Similar to S-8354A33UA-JQST2U, but with an output voltage range of 3.0V to 5.0V.
2. S-8354A18UA-JQST2U: Similar to S-8354A33UA-JQST2U, but with an output voltage range of 1.2V to 1.8V.
3. S-8354A25UA-JQST2U: Similar to S-8354A33UA-JQST2U, but with an output voltage range of 1.5V to 2.5V.

These alternative models offer different output voltage ranges to suit specific application requirements while maintaining similar characteristics and features as the S-8354A33UA-JQST2U.

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