MAX8636ETA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX8636ETA+ 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 - Step-down conversion

Package: The MAX8636ETA+ comes in a small 8-pin TDFN package, which allows for easy integration into compact electronic designs.

Essence: The essence of the MAX8636ETA+ lies in its ability to efficiently convert higher input voltages to lower output voltages, making it suitable for a wide range of applications.

Packaging/Quantity: The MAX8636ETA+ is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 2A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8636ETA+ features the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for regulating the output voltage
4. EN: Enable pin for turning the device on/off
5. SW: Switching node pin
6. PGND: Power ground pin
7. LX: Inductor connection pin
8. VOUT: Output voltage pin

Functional Features

• High Efficiency: The MAX8636ETA+ incorporates advanced control techniques and power MOSFETs to achieve high conversion efficiency, minimizing power losses.
• Wide Input Voltage Range: The device can accept input voltages ranging from 4.5V to 28V, making it suitable for a variety of power sources.
• Regulated Output Voltage: The MAX8636ETA+ provides a stable and regulated output voltage, ensuring consistent performance of downstream components.
• Step-Down Conversion: The DC-DC converter performs step-down conversion, allowing it to efficiently convert higher input voltages to lower output voltages.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range enables versatile applications - Regulated output voltage ensures stable operation of connected devices - Compact package allows for easy integration into space-constrained designs

Disadvantages: - Limited maximum output current (2A) - Relatively high switching frequency may require additional noise filtering measures in sensitive applications

Working Principles

The MAX8636ETA+ operates based on the principle of pulse-width modulation (PWM). It uses a control loop to regulate the duty cycle of the switching transistor, which controls the energy transfer from the input to the output. By adjusting the duty cycle, the device maintains a constant output voltage despite variations in the input voltage.

Detailed Application Field Plans

The MAX8636ETA+ finds application in various electronic devices and systems, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Industrial automation equipment - Automotive electronics - Power supply modules - LED lighting systems

Detailed and Complete Alternative Models

• MAX8636ETI+: Similar to MAX8636ETA+, but comes in a different package (TQFN)
• MAX8636EUA+: Higher maximum output current (3A) variant
• MAX8636EUB+: Higher maximum output current (4A) variant with additional features

These alternative models provide similar functionality to the MAX8636ETA+ but may offer different package options or enhanced specifications to cater to specific application requirements.

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