MAX8550ETI+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX8550ETI+ is a voltage regulator IC designed for use in various electronic devices. It provides stable and regulated power supply to the connected components.

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

Package: The MAX8550ETI+ is available in a compact and durable 28-pin TQFN package, which ensures efficient heat dissipation and easy integration into circuit boards.

Essence: This IC is an essential component in electronic devices that require a reliable and regulated power supply. It ensures proper functioning of the connected components by providing a stable voltage output.

Packaging/Quantity: The MAX8550ETI+ is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 1A
• Dropout Voltage: 120mV at 500mA
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 50µA (typical)

Pin Configuration

The MAX8550ETI+ features a 28-pin TQFN package with the following pin configuration:

1. VIN - Input Voltage
2. EN - Enable Pin
3. FB - Feedback Pin
4. GND - Ground
5. PGND - Power Ground
6. VOUT - Output Voltage
7. SS/TR - Soft-Start/Tracking
8. COMP - Compensation
9. BST - Boost
10. AGND - Analog Ground
11. AGND - Analog Ground
12. AGND - Analog Ground
13. AGND - Analog Ground
14. AGND - Analog Ground
15. AGND - Analog Ground
16. AGND - Analog Ground
17. AGND - Analog Ground
18. AGND - Analog Ground
19. AGND - Analog Ground
20. AGND - Analog Ground
21. AGND - Analog Ground
22. AGND - Analog Ground
23. AGND - Analog Ground
24. AGND - Analog Ground
25. AGND - Analog Ground
26. AGND - Analog Ground
27. AGND - Analog Ground
28. AGND - Analog Ground

Functional Features

• High Efficiency: The MAX8550ETI+ offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage of 120mV at 500mA, this IC ensures stable output voltage even when the input voltage is close to the desired output voltage.
• Overcurrent and Thermal Protection: The IC incorporates overcurrent and thermal protection mechanisms, safeguarding the connected components from damage due to excessive current or temperature.
• Adjustable Output Voltage: The output voltage can be easily adjusted within the specified range, providing flexibility for different application requirements.

Advantages and Disadvantages

Advantages: - High efficiency leads to longer battery life. - Wide input voltage range allows compatibility with various power sources. - Overcurrent and thermal protection ensure component safety. - Adjustable output voltage provides versatility.

Disadvantages: - Limited maximum output current (1A) may not be suitable for high-power applications. - Requires careful consideration of heat dissipation due to the compact package.

Working Principles

The MAX8550ETI+ operates as a linear voltage regulator. It takes the input voltage and regulates it to provide a stable output voltage. The feedback pin (FB) monitors the output voltage and adjusts the internal circuitry to maintain the desired voltage level. The enable pin (EN) controls the operation of the IC, allowing for power-saving modes when not in use.

Detailed Application Field Plans

The MAX8550ETI+ finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

1. LM317T: A popular linear voltage regulator with adjustable output voltage and high current capability.
2. LT1084CP-5: A low dropout voltage regulator with a fixed 5V output and high current handling capacity.
3. TPS7A4700: An ultra-low noise, high PSRR linear regulator suitable for sensitive audio and RF applications.

These alternative models offer similar functionality and can be considered as substitutes for the MAX8550ETI+ depending on specific requirements.

In conclusion, the MAX8550ETI+ is a