MAX8550AETI+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX8550AETI+ is a voltage regulator IC designed for use in various electronic devices. It provides a stable output voltage to power the components of the device.

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

Package: The MAX8550AETI+ is available in a small, surface-mount package known as Thin QFN-28 (5mm x 5mm).

Essence: The essence of the MAX8550AETI+ is its ability to regulate voltage efficiently and reliably, ensuring proper functioning of electronic devices.

Packaging/Quantity: The MAX8550AETI+ is typically sold in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 1.5A
• Dropout Voltage: 120mV at 1A
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX8550AETI+ has a total of 28 pins. Below is a detailed pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin
6. PGND: Power ground pin
7. SW: Switching node pin
8. BST: Boost capacitor connection pin
9. SS/TRK: Soft-start/tracking pin
10. COMP: Compensation pin
11. AGND: Analog ground pin
12. SS/TRK: Soft-start/tracking pin
13. COMP: Compensation pin
14. AGND: Analog ground pin
15. PGND: Power ground pin
16. SW: Switching node pin
17. BST: Boost capacitor connection pin
18. VOUT: Output voltage pin
19. FB: Feedback pin
20. EN: Enable pin
21. GND: Ground pin
22. VIN: Input voltage pin

Functional Features

• High efficiency conversion of input voltage to output voltage
• Overcurrent protection to prevent damage to the IC and connected components
• Thermal protection to prevent overheating
• Adjustable output voltage for flexibility in different applications
• Soft-start feature for smooth power-up and tracking capability for voltage changes

Advantages and Disadvantages

Advantages: - High efficiency results in less power loss - Wide input voltage range allows for compatibility with various power sources - Overcurrent and thermal protection ensure device safety - Adjustable output voltage provides versatility - Soft-start and tracking features enhance performance

Disadvantages: - Limited maximum output current (1.5A) - Dropout voltage may affect performance in low voltage conditions

Working Principles

The MAX8550AETI+ operates as a step-down voltage regulator. It takes an input voltage within the specified range and converts it to a stable, lower output voltage. This is achieved through a combination of switching and control circuitry within the IC.

Detailed Application Field Plans

The MAX8550AETI+ can be used in various electronic devices that require a regulated power supply. Some potential application fields include: - Mobile devices (smartphones, tablets) - Portable gaming consoles - Wireless communication devices - Battery-powered equipment - Industrial automation systems

Detailed and Complete Alternative Models

• MAX8550AETA+: Similar to MAX8550AETI+, but available in a different package (TQFN-28)
• MAX8550AETJ+: Similar to MAX8550AETI+, but available in a different package (TQFN-32)
• MAX8550AETK+: Similar to MAX8550AETI+, but with higher maximum output current (2A)

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, the MAX8550AETI+ is a voltage regulator IC that offers high efficiency, adjustable output voltage, and various protection features. Its compact package and wide input voltage range make it suitable for a range of electronic devices. While it has some limitations, alternative models are available to cater to specific needs.