The IR353D2 is a dual-channel voltage regulator from Infineon Technologies, designed for use in high-performance computing and telecommunications applications. This device integrates two independent synchronous buck controllers, providing a compact and efficient power management solution. It supports a wide range of input voltages and output currents, making it suitable for various power supply designs.

Applications

• Server power supplies
• Networking equipment
• High-performance computing
• Telecommunications infrastructure
• Voltage regulators for CPU and GPU cores

Features

• Dual-channel synchronous buck controller: Provides independent control of two voltage rails
• Wide input voltage range: Supports various power supply architectures
• High efficiency: Minimizes power losses and reduces heat dissipation
• Programmable switching frequency: Allows for optimization of performance and efficiency
• Overvoltage and overcurrent protection: Ensures reliable operation and protects the load
• Remote sensing: Improves output voltage accuracy
• PWM control: Enables precise voltage regulation

Benefits

• Reduced component count: Integration of two controllers simplifies the design and reduces board space
• Improved system efficiency: High-efficiency operation minimizes power losses and reduces operating costs
• Enhanced system reliability: Comprehensive protection features ensure stable and reliable operation
• Increased design flexibility: Programmable parameters allow for customization to specific application requirements
• Improved output voltage accuracy: Remote sensing compensates for voltage drops in the load connections
• Simplified system management: PWM control enables easy integration with system monitoring and control circuits

Technical Specifications

The IR353D2 operates from an input voltage range of 4.5V to 25V. It features a programmable switching frequency up to 1 MHz. The device also includes a variety of protection features, such as overvoltage protection (OVP), overcurrent protection (OCP), and undervoltage lockout (UVLO). It is available in a QFN package.

This dual-channel voltage regulator is a high-performance and reliable solution for power management in demanding applications. Its integration, efficiency, and comprehensive protection features make it a suitable choice for server, networking, and computing systems.