MAX680CSA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - Adjustable Output Voltage - Current Limit Protection - Thermal Shutdown Protection

Package: 8-SOIC (Small Outline Integrated Circuit)

Essence: The MAX680CSA+ is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in electronic devices to regulate and control the voltage supplied to various components.

Packaging/Quantity: The MAX680CSA+ is available in a 8-SOIC package and is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V to 11V
• Output Voltage Range: 1.25V to 10V
• Dropout Voltage: 0.3V at 100mA
• Maximum Output Current: 150mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX680CSA+ has 8 pins arranged as follows:

```

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

Pin Description: - Vout: Output Voltage - Vin: Input Voltage - GND: Ground - EN: Enable Pin - FB: Feedback Pin - NC: No Connection

Functional Features

1. Low Dropout Voltage: The MAX680CSA+ has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
2. Adjustable Output Voltage: The output voltage can be adjusted within a specified range using external resistors.
3. Current Limit Protection: The IC has built-in current limit protection to prevent excessive current flow, ensuring the safety of the connected components.
4. Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to protect itself from damage.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient voltage regulation. - Adjustable output voltage provides flexibility in various applications. - Current limit and thermal shutdown protection enhance safety and reliability.

Disadvantages: - Maximum output current limited to 150mA, which may not be sufficient for high-power applications. - Limited operating temperature range (-40°C to +85°C) may restrict usage in extreme environments.

Working Principles

The MAX680CSA+ operates as a linear voltage regulator. It uses a reference voltage and feedback mechanism to maintain a stable output voltage regardless of variations in the input voltage or load conditions. The enable pin allows the user to control the regulator's operation by enabling or disabling the output voltage.

Detailed Application Field Plans

The MAX680CSA+ is commonly used in various electronic devices and applications, including but not limited to: 1. Battery-powered devices 2. Portable audio players 3. Mobile phones 4. Digital cameras 5. Wireless communication systems

Detailed and Complete Alternative Models

1. LM317: Adjustable Voltage Regulator with Higher Output Current Capability
2. LT1083: Adjustable Linear Regulator with Wide Input Voltage Range
3. LM7805: Fixed Voltage Regulator with 5V Output

These alternative models offer similar functionality to the MAX680CSA+ and can be considered based on specific requirements and application needs.

In conclusion, the MAX680CSA+ is an integrated circuit voltage regulator that provides stable output voltage with low dropout. Its adjustable output voltage, current limit protection, and thermal shutdown features make it suitable for various electronic applications. However, its limited output current and operating temperature range should be considered when selecting the appropriate voltage regulator for specific projects.