CPC7581BCTR

Product Overview

Category: Integrated Circuit (IC)

Use: The CPC7581BCTR is a high-performance voltage regulator designed for use in various electronic devices. It provides stable and regulated power supply to ensure proper functioning of the connected components.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent and thermal protection - Adjustable output voltage

Package: The CPC7581BCTR is available in a compact surface mount package, making it suitable for space-constrained applications.

Essence: The essence of CPC7581BCTR lies in its ability to regulate voltage effectively, ensuring reliable operation of electronic devices.

Packaging/Quantity: The CPC7581BCTR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 0.8V - 15V
• Output Current: Up to 1A
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CPC7581BCTR has the following pin configuration:

```

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| | --| VIN VOUT |-- --| GND ADJ |-- |___________| ```

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• ADJ: Adjustable pin (used to set the desired output voltage)

Functional Features

1. High Efficiency: The CPC7581BCTR exhibits high efficiency, minimizing power loss and maximizing battery life in portable devices.
2. Low Dropout Voltage: With a low dropout voltage, the regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
3. Wide Input Voltage Range: The wide input voltage range allows the CPC7581BCTR to be used in various applications with different power supply requirements.
4. Overcurrent and Thermal Protection: The regulator incorporates overcurrent and thermal protection mechanisms, safeguarding the connected components from damage due to excessive current or temperature.
5. Adjustable Output Voltage: The ADJ pin enables users to adjust the output voltage according to their specific requirements.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range provides flexibility in application - Overcurrent and thermal protection ensure component safety - Adjustable output voltage allows customization

Disadvantages: - Limited output current capacity (up to 1A) - Dropout voltage may affect performance in low input voltage scenarios

Working Principles

The CPC7581BCTR operates based on the principle of voltage regulation using a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The CPC7581BCTR finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

1. CPC7580BCTR: Similar to CPC7581BCTR, but with a lower output current capacity of 500mA.
2. CPC7582BCTR: Similar to CPC7581BCTR, but with a higher output current capacity of 1.5A.
3. CPC7583BCTR: Similar to CPC7581BCTR, but with additional features such as adjustable current limit and power good indicator.

These alternative models provide options with varying specifications to cater to different application requirements.

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