MAX8524EEI+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX8524EEI+ is a voltage regulator IC designed for use in various electronic devices. It provides a stable output voltage to power different components within a circuit.

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

Package: The MAX8524EEI+ is available in an industry-standard 16-pin QSOP package, which ensures easy integration into circuit boards.

Essence: This voltage regulator IC plays a crucial role in maintaining a steady power supply to sensitive electronic components, preventing damage due to voltage fluctuations.

Packaging/Quantity: The MAX8524EEI+ is typically sold in reels or tubes containing a specific quantity of ICs, depending on the manufacturer's packaging specifications.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 1.2V to 3.6V
• Maximum Output Current: 500mA
• Dropout Voltage: 120mV at 100mA load
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8524EEI+ features a 16-pin QSOP package with the following pin configuration:

1. VOUT
2. GND
3. FB
4. EN
5. SS
6. NC
7. NC
8. NC
9. NC
10. VIN
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC

(Note: "NC" denotes non-connected pins.)

Functional Features

1. High Efficiency: The MAX8524EEI+ exhibits high efficiency, minimizing power loss and maximizing battery life in portable devices.

2. Low Dropout Voltage: With a low dropout voltage of 120mV at 100mA load, this IC ensures stable output voltage 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 5.5V, making it suitable for various applications.

4. Overcurrent and Thermal Protection: The MAX8524EEI+ incorporates overcurrent and thermal protection mechanisms, safeguarding the IC and connected components from damage during abnormal operating conditions.

Advantages and Disadvantages

Advantages: - High efficiency leads to extended battery life. - Low dropout voltage ensures stable output voltage. - Wide input voltage range allows for versatile application. - Overcurrent and thermal protection enhance reliability.

Disadvantages: - Limited maximum output current (500mA) may not be sufficient for power-hungry applications. - Non-adjustable pin configuration limits flexibility in circuit design.

Working Principles

The MAX8524EEI+ operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. Any deviation between the two voltages is amplified and used to adjust the pass transistor, maintaining a constant output voltage.

Detailed Application Field Plans

The MAX8524EEI+ finds applications in various electronic devices, including but not limited to: 1. Portable consumer electronics (e.g., smartphones, tablets) 2. Wearable devices (e.g., smartwatches, fitness trackers) 3. IoT devices 4. Battery-powered devices 5. Industrial control systems

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. LT1763: Offers higher maximum output current and adjustable output voltage.
3. TPS7A4700: Provides ultra-low dropout voltage and higher maximum output current.

(Note: The above alternative models are provided for reference purposes and may have different characteristics and packaging options.)

In conclusion, the MAX8524EEI+ is a highly efficient voltage regulator IC designed for stable power supply in various electronic devices. Its low dropout voltage, wide input voltage range, and built-in protection features make it suitable for diverse applications. However, its limited maximum output current and non-adjustable pin configuration should be considered when selecting an appropriate voltage regulator for specific requirements.

Word Count: 550 words