MAX762CPA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX762CPA+ is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Characteristics: - High precision voltage regulation - Low dropout voltage - Wide input voltage range - Current limiting and thermal shutdown protection

Package: The MAX762CPA+ is available in an 8-pin PDIP (Plastic Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package.

Essence: The MAX762CPA+ is designed to regulate voltage efficiently, ensuring reliable and stable power supply for electronic circuits.

Packaging/Quantity: The MAX762CPA+ is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage Range: 1.25V to 13.5V
• Dropout Voltage: 0.3V at 500mA
• Maximum Output Current: 1A
• Line Regulation: ±0.02% (typical)
• Load Regulation: ±0.04% (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX762CPA+ has the following pin configuration:

```

---

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

• Vout: Output Voltage
• Vin: Input Voltage
• GND: Ground
• EN: Enable Pin (Active High)
• FB: Feedback Pin
• NC: No Connection

Functional Features

1. High Precision Voltage Regulation: The MAX762CPA+ ensures accurate and stable output voltage, minimizing fluctuations and providing reliable power to connected devices.

2. Low Dropout Voltage: With a low dropout voltage of 0.3V at 500mA, the MAX762CPA+ can maintain regulation even when the input voltage is close to the desired output voltage.

3. Wide Input Voltage Range: The IC can operate within a wide input voltage range of 2.7V to 16V, making it suitable for various applications.

4. Current Limiting and Thermal Shutdown Protection: The MAX762CPA+ incorporates built-in protection mechanisms to prevent damage from excessive current or high temperatures, ensuring the safety and longevity of the device.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Low dropout voltage - Wide input voltage range - Built-in protection features - Compact package size

Disadvantages: - Limited maximum output current (1A)

Working Principles

The MAX762CPA+ operates as a linear voltage regulator. It compares the feedback voltage (FB) with a reference voltage to generate an error signal. This error signal is then amplified and used to control the pass transistor, adjusting its resistance to maintain the desired output voltage. By continuously monitoring and adjusting the pass transistor, the MAX762CPA+ ensures a stable output voltage regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The MAX762CPA+ finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication devices - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

1. LM317T: A popular voltage regulator IC with similar specifications and functionality.
2. LT1086: Another voltage regulator IC known for its high precision and low dropout voltage.
3. LM1117: A low dropout linear regulator suitable for a wide range of applications.

These alternative models offer similar features and can be considered as substitutes for the MAX762CPA+ depending on specific requirements and availability.

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