MAX1858EEG+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-Efficiency Step-Down DC-DC Converter
• Package: 24-Pin TQFN (Thin Quad Flat No-Lead) Package
• Essence: Provides efficient power conversion for various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.6V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1.5A
• Switching Frequency: 1MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1858EEG+T has a total of 24 pins. The pin configuration is as follows:

1. EN (Enable)
2. FB (Feedback)
3. AGND (Analog Ground)
4. SW (Switch Node)
5. PGND (Power Ground)
6. LX (Inductor Connection)
7. LX (Inductor Connection)
8. LX (Inductor Connection)
9. LX (Inductor Connection)
10. LX (Inductor Connection)
11. LX (Inductor Connection)
12. LX (Inductor Connection)
13. LX (Inductor Connection)
14. LX (Inductor Connection)
15. LX (Inductor Connection)
16. LX (Inductor Connection)
17. LX (Inductor Connection)
18. LX (Inductor Connection)
19. LX (Inductor Connection)
20. LX (Inductor Connection)
21. LX (Inductor Connection)
22. LX (Inductor Connection)
23. LX (Inductor Connection)
24. LX (Inductor Connection)

Functional Features

• High-efficiency step-down DC-DC converter
• Integrated power MOSFETs for reduced external component count
• Adjustable output voltage through feedback pin
• Overcurrent and overtemperature protection
• Low shutdown current for power-saving applications
• Soft-start feature to minimize inrush current

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Compact package size saves board space
• Wide input voltage range allows flexibility in power supply design
• Integrated protection features enhance system reliability
• Soft-start feature prevents excessive current during startup

Disadvantages

• Limited maximum output current of 1.5A may not be suitable for high-power applications
• Operating temperature range of -40°C to +85°C may not cover extreme environments

Working Principles

The MAX1858EEG+T is a step-down DC-DC converter that converts a higher input voltage to a lower output voltage. It utilizes integrated power MOSFETs and a high-frequency switching regulator to achieve high efficiency. The feedback pin allows the output voltage to be adjusted according to the application requirements. The converter also incorporates various protection mechanisms, such as overcurrent and overtemperature protection, to ensure safe operation.

Detailed Application Field Plans

The MAX1858EEG+T can be used in various applications, including but not limited to:

1. Portable electronic devices
2. Battery-powered systems
3. Industrial equipment
4. Automotive electronics
5. IoT (Internet of Things) devices

Detailed and Complete Alternative Models

1. MAX1859EEG+T
2. MAX1860EEG+T
3. MAX1861EEG+T
4. MAX1862EEG+T
5. MAX1863EEG+T

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

In conclusion, the MAX1858EEG+T is a high-efficiency step-down DC-DC converter that offers adjustable output voltage and integrated protection features. It finds applications in various fields and has alternative models available for design flexibility.