IR3621FTR - Infineon Technologies

Manufacturer Part Number

IR3621FTR

Manufacturer

Infineon Technologies

Introduction

The IR3621FTR is a synchronous buck controller IC designed for power management applications.

Product Features and Performance

Dual Output Step-Down Controller

Supports synchronous rectification for improved efficiency

Frequency Control for optimized performance

Power Good signal for monitoring system stability

Soft Start feature to minimize inrush current

Peak current mode operation for excellent transient response

Thermal shutdown for increased protection

Product Advantages

High efficiency due to synchronous rectification

Dual-phase operation allows for reduced ripple and better thermal balance

Robust thermal performance for enhanced reliability

Flexible switching frequency range from 200kHz to 500kHz

Key Technical Parameters

Topology: Buck

Number of Outputs: 2

Output Phases: 2

Voltage - Supply (Vcc/Vdd): 5.5V to 14.5V

Frequency - Switching: 200kHz to 500kHz

Duty Cycle (Max): 86.5%

Operating Temperature: -40°C to 125°C (TJ)

Quality and Safety Features

Thermal shutdown

Overcurrent protection

Under voltage lockout

Compatibility

Compatible with a wide range of components and systems that adhere to 28-TSSOP packaging specifications

Application Areas

Power supply modules

Telecommunication systems

Distributed power systems

Computing and storage systems

Product Lifecycle

Obsolete - Check for replacement or alternative parts as manufacturer may have newer models available

Several Key Reasons to Choose This Product

Energy-efficient design lowers system power loss

Dual-phase operation minimizes input/output ripple

Integrated features such as Power Good and Soft Start enhance its reliability and ease of use

A wide operating temperature range makes it suitable for harsh environments

Cut Tape packaging allows for flexible ordering quantities, ideal for prototyping or small production runs