MAX868EUB+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX868EUB+ belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for voltage regulation and power management.

Characteristics

• Voltage regulation and power management capabilities
• Compact package size
• High efficiency
• Low power consumption
• Wide input voltage range
• Overcurrent protection
• Thermal shutdown protection

Package

The MAX868EUB+ is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the MAX868EUB+ lies in its ability to regulate voltage and manage power efficiently, ensuring stable and reliable operation of electronic devices.

Packaging/Quantity

The MAX868EUB+ is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 0.8V to VIN
• Maximum Output Current: 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-8

Detailed Pin Configuration

The MAX868EUB+ has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the IC on/off
5. SS/TR: Soft-start/Tracking pin for controlling the startup behavior
6. PGND: Power ground pin
7. SW: Switching node pin for power transfer
8. VOUT: Output voltage pin

Functional Features

• Voltage regulation: The MAX868EUB+ provides precise output voltage regulation, ensuring stable power supply to connected devices.
• Power management: It efficiently manages power consumption, optimizing energy usage and extending battery life.
• Overcurrent protection: The IC incorporates overcurrent protection mechanisms to safeguard against excessive current flow.
• Thermal shutdown protection: In case of overheating, the MAX868EUB+ automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power wastage.
• Wide input voltage range allows compatibility with various power sources.
• Compact package size enables integration into space-constrained designs.
• Overcurrent and thermal shutdown protection enhance device reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Lack of built-in voltage regulation presets may require additional external components for specific voltage requirements.

Working Principles

The MAX868EUB+ operates on the principle of pulse-width modulation (PWM) control. It regulates the output voltage by adjusting the duty cycle of the internal switching transistor. This control mechanism ensures that the desired output voltage is maintained within specified limits, even with varying input voltages and load conditions.

Detailed Application Field Plans

The MAX868EUB+ finds application in various electronic devices, including but not limited to: - Portable consumer electronics - Battery-powered devices - IoT devices - Industrial automation systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX868EUB+ include: - LM2576-ADJ - LT1084CP-ADJ - TPS5430-ADJ - ADP2303-ADJ - MCP1630V-ADJ

These alternatives can be considered based on specific design requirements and availability.

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