MAX1858AEEG+T

Product Overview

• Category: Integrated Circuits (ICs)
• Use: Power Management
• Characteristics: High-Efficiency, Step-Down DC-DC Converter
• Package: 16-TQFN (4x4)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape & Reel (3000 pieces per reel)

Specifications

• Input Voltage: 2.7V to 5.5V
• Output Voltage: Adjustable from 0.6V to VIN
• Output Current: Up to 500mA
• Switching Frequency: 1MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1858AEEG+T has a 16-pin TQFN package with the following pin configuration:

1. EN (Enable)
2. FB (Feedback)
3. GND (Ground)
4. LX (Switch Node)
5. LX (Switch Node)
6. PGND (Power Ground)
7. PGND (Power Ground)
8. SW (Switch Node)
9. SW (Switch Node)
10. VCC (Supply Voltage)
11. VCC (Supply Voltage)
12. VOUT (Output Voltage)
13. VOUT (Output Voltage)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)

Functional Features

• High efficiency step-down DC-DC converter
• Wide input voltage range for versatile applications
• Adjustable output voltage for flexibility
• Low quiescent current for power-saving operation
• Overcurrent and thermal protection for enhanced reliability
• Soft-start feature to reduce inrush current

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for compatibility with various power sources - Adjustable output voltage provides flexibility in system design - Overcurrent and thermal protection enhance reliability - Soft-start feature reduces stress on components during startup

Disadvantages: - Limited output current may not be suitable for high-power applications - 16-pin package may require more board space compared to smaller packages

Working Principles

The MAX1858AEEG+T is a step-down DC-DC converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to achieve high efficiency. The input voltage is first regulated and then fed to an internal power switch. This switch rapidly turns on and off, controlling the energy flow to the output. By adjusting the duty cycle of the switch, the desired output voltage can be achieved. The converter also includes various protection features to ensure safe operation.

Detailed Application Field Plans

The MAX1858AEEG+T is commonly used in various applications, including:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, benefit from the efficient power management provided by the MAX1858AEEG+T.
2. Industrial equipment: The converter's wide input voltage range and high efficiency make it suitable for industrial control systems, sensors, and other related applications.
3. Automotive electronics: The MAX1858AEEG+T can be utilized in automotive infotainment systems, lighting controls, and other power-sensitive automotive applications.
4. IoT devices: Internet of Things (IoT) devices often operate on low power and require efficient power management. The MAX1858AEEG+T meets these requirements effectively.

Detailed and Complete Alternative Models

1. MAX1859AEEG+T
2. MAX1860AEEG+T
3. MAX1857AEEG+T
4. MAX1856AEEG+T
5. MAX1855AEEG+T

These alternative models offer similar functionality and characteristics to the MAX1858AEEG+T, providing options for different design requirements.

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