RT2855AHGQW - Richtek USA Inc.

Manufacturer Part Number

RT2855AHGQW

Manufacturer

Richtek

Introduction

The RT2855AHGQW is a high-efficiency, synchronous step-down DC-DC converter that provides up to 4A of output current. It features an adjustable output voltage from 0.765V to 7V, making it suitable for a wide range of applications. The device utilizes Richtek's proprietary ACOT™ (Advanced Constant On-Time) control scheme, which offers fast transient response, excellent line and load regulation, and low output voltage ripple.

Product Features and Performance

Adjustable output voltage from 0.765V to 7V

Output current up to 4A

Switching frequency of 650kHz

Advanced Constant On-Time (ACOT™) control for fast transient response

Excellent line and load regulation

Low output voltage ripple

Soft-start function to prevent large inrush current

Internal compensation for easy design

Thermal shutdown and over-current protection

Product Advantages

High efficiency across a wide load range

Compact footprint with 16-WFQFN exposed pad package

Ability to operate from a wide input voltage range (4.5V to 18V)

Reliable performance over the extended temperature range (-40°C to 85°C)

Comprehensive protection features for safe and reliable operation

Key Reasons to Choose This Product

Efficient and reliable power management solution for a wide range of applications

Flexible output voltage adjustment to suit various system requirements

Compact size and simple implementation for space-constrained designs

Robust protection features ensure safe and reliable operation

Quality and Safety Features

Thermal shutdown protection

Over-current protection

Under-voltage lockout

Compatibility

The RT2855AHGQW is compatible with a variety of microcontrollers, processors, and other digital devices that require a regulated power supply within its input and output voltage range.

Application Areas

Portable electronics

Industrial control systems

Telecommunication equipment

Automotive electronics

Medical devices

Product Lifecycle

The RT2855AHGQW is an active product. Richtek currently offers alternative models, such as the RT2855BHGQW and RT2855CHGQW, which provide similar functionality and performance. Customers are advised to contact our website's sales team for the latest product information and availability.