MAX8643ETG+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX8643ETG+

Manufacturer

analog-devices

Introduction

The MAX8643ETG+ is a 3A, 3.6V step-down switching regulator with an adjustable output voltage and a wide input voltage range. It features a wide output voltage adjustment range, low quiescent current, and high efficiency across a wide load range. The device is optimized for battery-powered applications and can provide a regulated output from a variety of input sources, including Li-Ion, Alkaline, and other battery chemistries.

Product Features and Performance

Wide input voltage range: 2.35V to 3.6V

Adjustable output voltage from 0.6V to 3.24V

Output current up to 3A

Switching frequency range of 500kHz to 2MHz

High efficiency up to 95%

Low quiescent current of 18μA (typ.) in no-load condition

Integrated high-side and low-side MOSFET switches

Cycle-by-cycle current limit and thermal shutdown protection

Soft-start function to limit inrush current

Small 24-pin WFQFN (4x4mm) package

Product Advantages

Wide input voltage range and adjustable output voltage provide flexibility for various battery-powered applications

High efficiency and low quiescent current help extend battery life

Integrated power switches and small package size enable compact design

Comprehensive protection features ensure reliable and safe operation

Key Reasons to Choose This Product

Highly efficient and power-dense solution for battery-powered devices

Flexible input voltage and output voltage options to accommodate different system requirements

Comprehensive protection features for reliable and safe operation

Small package size enables compact and space-saving designs

Quality and Safety Features

Cycle-by-cycle current limit and thermal shutdown protection

Soft-start function to limit inrush current

Robust design and high-quality manufacturing processes ensure reliable performance

Compatibility

The MAX8643ETG+ is compatible with a wide range of battery chemistries and can be used in various battery-powered applications, such as portable electronics, wearable devices, and IoT sensors.

Application Areas

Portable electronics (smartphones, tablets, laptops)

Wearable devices (smartwatches, fitness trackers)

IoT sensors and devices

Industrial and medical equipment

Automotive and transportation applications

Product Lifecycle

The MAX8643ETG+ is an active product and there are no immediate plans for discontinuation. Alternative or equivalent models may be available, so customers are advised to contact our website's sales team for the latest product information and availability.