MAX680EPA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX680EPA+ is a voltage regulator and power supply supervisor IC. It is designed to provide stable and regulated power supply to electronic devices, ensuring their proper functioning.

Characteristics: - Voltage regulation - Power supply supervision - Low dropout voltage - Adjustable output voltage - Overvoltage protection - Undervoltage lockout - Thermal shutdown protection

Package: The MAX680EPA+ is available in an 8-pin PDIP (Plastic Dual In-line Package) package.

Essence: The essence of the MAX680EPA+ lies in its ability to regulate and supervise power supply voltages, protecting electronic devices from voltage fluctuations and ensuring their reliable operation.

Packaging/Quantity: The MAX680EPA+ is typically sold in reels or tubes containing a quantity of 250 units per package.

Specifications

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

Pin Configuration

The MAX680EPA+ features the following pin configuration:

```

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| | --| Vout Vin |-- Pin 1: Output Voltage (Vout) --| GND EN |-- Pin 2: Ground (GND) --| NC NC |-- Pin 3: Not Connected (NC) --| NC NC |-- Pin 4: Not Connected (NC) --| NC NC |-- Pin 5: Not Connected (NC) --| NC NC |-- Pin 6: Not Connected (NC) --| NC NC |-- Pin 7: Not Connected (NC) --| NC Vin |-- Pin 8: Input Voltage (Vin) |___________| ```

Functional Features

1. Voltage Regulation: The MAX680EPA+ regulates the output voltage within a specified range, ensuring a stable power supply to connected devices.
2. Power Supply Supervision: It monitors the input voltage and provides undervoltage lockout and overvoltage protection, safeguarding devices from potential damage due to voltage fluctuations.
3. Low Dropout Voltage: The IC exhibits a low dropout voltage, minimizing power dissipation and maximizing efficiency.
4. Adjustable Output Voltage: The output voltage can be adjusted within a specific range, allowing flexibility in meeting different device requirements.
5. Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages: - Stable and regulated power supply - Protection against voltage fluctuations - Low dropout voltage for improved efficiency - Adjustable output voltage for versatility - Thermal shutdown protection for enhanced safety

Disadvantages: - Limited input voltage range (2.5V to 11V) - Restricted output voltage range (1.25V to 10V)

Working Principles

The MAX680EPA+ operates by comparing the input voltage with a reference voltage. It adjusts the internal circuitry to maintain a constant output voltage, compensating for any variations in the input voltage. Additionally, it continuously monitors the input voltage and triggers appropriate actions, such as undervoltage lockout or overvoltage protection, to ensure the connected devices receive a stable power supply.

Application Field Plans

The MAX680EPA+ finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Medical equipment

Alternative Models

1. MAX681EPA+: Similar to MAX680EPA+, but with additional features such as power-on reset and watchdog timer.
2. MAX682EPA+: A higher voltage version of MAX680EPA+ with an extended input voltage range up to 16V.
3. MAX683EPA+: Offers adjustable output voltage and a wider operating temperature range compared to MAX680EPA+.

These alternative models provide similar functionality to the MAX680EPA+ while offering additional features or specifications tailored to specific application requirements.

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