MAX8668ETEP+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX8668ETEP+ is a highly efficient, step-down DC-DC converter designed for use in various electronic devices. It provides a regulated output voltage from a wide input voltage range.

Characteristics: - High efficiency - Wide input voltage range - Regulated output voltage - Compact package size - Low power consumption

Package: The MAX8668ETEP+ is available in a small 20-pin TQFN package, which allows for easy integration into space-constrained designs.

Essence: The MAX8668ETEP+ is an essential component in power management systems, providing reliable and efficient voltage regulation for electronic devices.

Packaging/Quantity: The MAX8668ETEP+ is typically sold in reels of 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 3A
• Switching Frequency: 1MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8668ETEP+ features a 20-pin TQFN package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. SW: Switching node pin
4. FB: Feedback voltage pin
5. EN: Enable pin
6. SS/TRK: Soft-start/Tracking pin
7. PGND: Power ground pin
8. LX: Inductor connection pin
9. VOUT: Output voltage pin
10. COMP: Compensation pin
11. BST: Bootstrap capacitor connection pin
12. AGND: Analog ground pin
13. SS/TRK: Soft-start/Tracking pin
14. PGND: Power ground pin
15. LX: Inductor connection pin
16. VOUT: Output voltage pin
17. COMP: Compensation pin
18. BST: Bootstrap capacitor connection pin
19. AGND: Analog ground pin
20. NC: No connection

Functional Features

• High efficiency conversion
• Integrated power MOSFETs
• Overcurrent protection
• Thermal shutdown protection
• Soft-start and tracking functionality
• Adjustable output voltage
• Stable voltage regulation

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Compact package size enables integration in space-constrained designs - Overcurrent and thermal shutdown protection enhance device safety - Soft-start and tracking features improve system reliability

Disadvantages: - Limited maximum output current (3A) - Requires external components for operation - Higher cost compared to non-integrated solutions

Working Principles

The MAX8668ETEP+ operates as a step-down DC-DC converter, converting a higher input voltage to a regulated lower output voltage. It utilizes integrated power MOSFETs and a control circuit to efficiently regulate the output voltage. The feedback voltage is continuously monitored and adjusted to maintain a stable output voltage, even with varying input conditions.

Detailed Application Field Plans

The MAX8668ETEP+ finds application in various electronic devices that require efficient voltage regulation, such as: - Portable electronic devices (smartphones, tablets, portable gaming consoles) - Industrial equipment - Automotive electronics - IoT devices - Battery-powered devices

Detailed and Complete Alternative Models

1. MAX17681ETM+: Step-down DC-DC converter with higher maximum output current (5A) and adjustable switching frequency.
2. MAX15062ETL+: Step-down DC-DC converter with lower maximum output current (2A) and adjustable soft-start time.
3. MAX1921EUT25+: Step-down DC-DC converter with fixed output voltage (2.5V) and integrated power MOSFETs.

These alternative models offer different specifications and features to suit specific application requirements.

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