SPX29302U5-L

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: TO-263-5 (D2PAK)

Essence: The SPX29302U5-L is a voltage regulator IC that provides a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The SPX29302U5-L is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage Range: 1.25V to 20V
• Dropout Voltage: 0.6V at 3A
• Output Current: Up to 3A
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The SPX29302U5-L has five pins arranged as follows:

```

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| | | VOUT | |___________| | | | VIN | |___________| | | | GND | |___________| | | | ADJ | |___________| | | | NC | |___________| ```

Pin Descriptions: - VOUT: Output Voltage - VIN: Input Voltage - GND: Ground - ADJ: Adjust Pin (Used to set the desired output voltage) - NC: No Connection

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
• High output current capability allows the IC to handle demanding loads.
• Adjustable output voltage provides flexibility in meeting specific voltage requirements.
• Thermal shutdown protection prevents the IC from overheating and damaging itself.
• Overcurrent protection safeguards the IC and the connected devices from excessive current.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows compatibility with various power sources. - Excellent line and load regulation ensures a stable output voltage under different operating conditions. - Compact TO-263-5 package offers good thermal dissipation capabilities. - Adjustable output voltage provides versatility for different applications.

Disadvantages: - The TO-263-5 package may require additional space on the PCB compared to smaller packages. - Limited output current of up to 3A may not be sufficient for high-power applications.

Working Principles

The SPX29302U5-L operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the feedback received from the adjust pin. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a constant output voltage. The internal circuitry ensures stable operation by monitoring temperature and current levels.

Detailed Application Field Plans

The SPX29302U5-L is commonly used in various electronic devices and systems, including but not limited to: - Power supplies - Battery-powered devices - Automotive electronics - Industrial control systems - Telecommunications equipment

Detailed and Complete Alternative Models

1. LM317T: Adjustable Voltage Regulator, TO-220 Package
2. LT1084CP-5: Adjustable Voltage Regulator, TO-3 Package
3. TPS7A4700: Low Dropout Voltage Regulator, SOT-223 Package
4. LM1117-5.0: Fixed Voltage Regulator, SOT-223 Package
5. MAX6035: Low Dropout Voltage Regulator, SOT-23 Package

These alternative models offer similar functionality and can be considered as substitutes for the SPX29302U5-L in various applications.

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