S-1312A24-A4T2U3

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High efficiency, low dropout voltage, small package size
Package: SOT-23-5
Essence: Linear regulator with built-in overcurrent protection and thermal shutdown
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical) at 100mA load current
• Output Current: 150mA (maximum)
• Quiescent Current: 30µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.2% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1312A24-A4T2U3 has a total of five pins arranged as follows:

```

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| | --| Vout GND|-- --| Vin NC |-- --| EN NC |-- --| FB NC |-- |___________| ```

Pin Description: - Vout: Output Voltage - Vin: Input Voltage - EN: Enable Pin - FB: Feedback Pin - GND: Ground

Functional Features

1. High Efficiency: The S-1312A24-A4T2U3 offers high efficiency, ensuring minimal power loss during voltage regulation.
2. Low Dropout Voltage: With a dropout voltage as low as 200mV, this voltage regulator can operate efficiently even when the input voltage is close to the desired output voltage.
3. Built-in Overcurrent Protection: The regulator includes overcurrent protection, safeguarding the connected circuitry from excessive current flow.
4. Thermal Shutdown: In case of excessive heat, the S-1312A24-A4T2U3 has a built-in thermal shutdown feature that prevents damage to the device and surrounding components.

Advantages and Disadvantages

Advantages: - High efficiency ensures minimal power loss - Low dropout voltage allows for efficient operation at low input voltages - Built-in overcurrent protection enhances circuit safety - Thermal shutdown feature protects against overheating

Disadvantages: - Limited output current capacity (maximum 150mA) - Restricted input voltage range (2.0V to 6.0V)

Working Principles

The S-1312A24-A4T2U3 operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop between the input and output terminals. The feedback pin (FB) monitors the output voltage and adjusts the internal circuitry to maintain the desired voltage level. The enable pin (EN) controls the regulator's on/off state.

Detailed Application Field Plans

The S-1312A24-A4T2U3 finds applications in various electronic devices where stable voltage regulation is required. Some potential application fields include:

1. Portable Electronics: Battery-powered devices such as smartphones, tablets, and portable media players benefit from the S-1312A24-A4T2U3's low dropout voltage and high efficiency.
2. Wireless Communication Systems: Voltage regulation is crucial in wireless communication systems to ensure reliable operation. The S-1312A24-A4T2U3 can be used in base stations, routers, and other network equipment.
3. Automotive Electronics: With its small package size and overcurrent protection, the S-1312A24-A4T2U3 is suitable for automotive applications such as infotainment systems, GPS devices, and lighting control modules.

Detailed and Complete Alternative Models

1. S-1312B24-A4T2U3: Similar to the S-1312A24-A4T2U3, this model offers an extended input voltage range of 2.0V to 7.0V.
2. S-1312C24-A4T2U3: This alternative model provides a higher output current capacity of 300mA while maintaining similar characteristics to the S-1312A24-A4T2U3.

These alternative models can be considered based on specific application requirements and desired performance parameters.

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