MAX1976AEZT100+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX1976AEZT100+ is a voltage regulator IC designed for use in various electronic devices. It provides a stable output voltage to power other components within the device.

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

Package: The MAX1976AEZT100+ is available in a small 6-pin SOT23 package, which is suitable for space-constrained applications.

Essence: This IC is essential for maintaining a consistent and reliable power supply within electronic devices.

Packaging/Quantity: The MAX1976AEZT100+ is typically sold in reels or tubes containing a quantity of 3000 units per package.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Dropout Voltage: 120mV at 100mA load current
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1976AEZT100+ features the following pin configuration:

```

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| | --| VIN GND|-- --| VOUT EN |-- |___________| ```

• VIN: Input voltage pin
• GND: Ground pin
• VOUT: Output voltage pin
• EN: Enable pin (active high)

Functional Features

• High Efficiency: The MAX1976AEZT100+ offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage, this IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC can operate within a wide range of input voltages, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range, providing flexibility for different device requirements.
• Overcurrent and Thermal Protection: The MAX1976AEZT100+ incorporates protection features to prevent damage from overcurrent conditions and excessive heat.

Advantages and Disadvantages

Advantages: - High efficiency design - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited output current capability (100mA maximum)

Working Principles

The MAX1976AEZT100+ operates as a linear voltage regulator. It regulates the output voltage by comparing a reference voltage with the feedback voltage obtained from a voltage divider connected to the output pin. The internal circuitry adjusts the pass transistor to maintain a stable output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The MAX1976AEZT100+ finds application in various electronic devices, including but not limited to: 1. Mobile phones 2. Portable media players 3. Digital cameras 4. Wireless headsets 5. Handheld gaming consoles

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package options.
2. LT1763: Offers higher output current capability and lower dropout voltage.
3. TPS79633: Provides adjustable output voltage and enhanced thermal performance.

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the MAX1976AEZT100+ is an integrated circuit voltage regulator that provides a stable output voltage for various electronic devices. Its high efficiency, wide input voltage range, and adjustable output voltage make it suitable for a range of applications. However, its limited output current capability may be a drawback in certain scenarios.