LTC3549EDCB#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LTC3549EDCB#TRPBF

Manufacturer

Analog Devices

Introduction

The LTC3549 is a high-performance, adjustable output step-down buck converter specifically designed for power management applications.

Product Features and Performance

Step-Down (Buck) topology

Adjustable output voltage

Output configuration is positive

High switching frequency of 2.25MHz

Synchronous rectifier for improved efficiency

Capable of delivering 250mA output current

Wide input voltage range from 1.6V to 5.5V

Output voltage range from 0.611V to 5.5V

Supports surface mount technology

Product Advantages

High efficiency due to synchronous rectification

Compact 6-DFN (2x3) package saves board space

High frequency operation reduces the size of external components

Key Technical Parameters

Voltage Input (Min): 1.6V

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 0.611V

Voltage Output (Max): 5.5V

Current Output: 250mA

Frequency Switching: 2.25MHz

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Built-in over-temperature protection

Stable operation across the full operating temperature range of -40°C to 85°C

Compatibility

Compatible with a wide range of input and output voltages, suitable for various DC power supply applications

Application Areas

Mobile devices

Portable electronics

Wireless communication equipment

Product Lifecycle

Currently active product status

Not nearing discontinuation, ongoing availability of replacements and upgrades

Several Key Reasons to Choose This Product

High efficiency and reduced power loss due to synchronous rectification

Capable of operating at a minimal input voltage of 1.6V, making it versatile for low voltage applications

Ultra-small package suitable for compact PCB designs

High switching frequency allows for smaller peripheral components, reducing overall system cost and size

Reliable performance in extended temperature ranges