MAX680ESA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

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

Package: SOIC-8

Essence: The MAX680ESA+ is a voltage regulator IC that provides a stable output voltage with low dropout voltage and low quiescent current.

Packaging/Quantity: The MAX680ESA+ is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.5V to 11V
• Output Voltage Range: 1.25V to VIN - 0.5V
• Dropout Voltage: 120mV at 100mA Load Current
• Quiescent Current: 60µA
• Line Regulation: 0.02%/V
• Load Regulation: 0.05%/mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX680ESA+ has the following pin configuration:

```

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

• Vout: Output Voltage
• Vin: Input Voltage
• GND: Ground
• EN: Enable Pin
• NC: No Connection

Functional Features

• Low Dropout Voltage: The MAX680ESA+ has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted using external resistors, providing flexibility in various applications.
• Low Quiescent Current: The IC consumes low quiescent current, minimizing power consumption and extending battery life.
• Overcurrent Protection: The MAX680ESA+ incorporates overcurrent protection to prevent damage to the IC and connected devices in case of excessive current flow.
• Thermal Shutdown Protection: The IC features thermal shutdown protection, which shuts down the device if the temperature exceeds a safe operating limit.

Advantages and Disadvantages

Advantages: - Stable output voltage - Low dropout voltage - Adjustable output voltage - Low quiescent current - Overcurrent and thermal protection

Disadvantages: - Limited input voltage range (2.5V to 11V) - Relatively small package size

Working Principles

The MAX680ESA+ is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by using a low dropout voltage pass transistor.

Detailed Application Field Plans

The MAX680ESA+ can be used in various applications where a stable and regulated voltage supply is required. Some potential application fields include: - Battery-powered devices - Portable electronic devices - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable Voltage Regulator, TO-220 package
2. LT1763CS8-3.3: Fixed 3.3V Voltage Regulator, SOIC-8 package
3. TPS79633DCQR: Fixed 3.3V Voltage Regulator, SOT-223 package
4. ADP3339AKCZ-3.3-R7: Fixed 3.3V Voltage Regulator, SOT-223 package
5. MCP1700T-3302E/TT: Fixed 3.3V Voltage Regulator, SOT-23 package

These alternative models offer similar functionality and can be considered as substitutes for the MAX680ESA+ in various applications.

In conclusion, the MAX680ESA+ is a voltage regulator IC that provides stable output voltage with low dropout voltage and low quiescent current. It offers overcurrent and thermal protection, making it suitable for a wide range of applications. However, its limited input voltage range and small package size may be considered as disadvantages. Alternative models are available to meet specific requirements.