Description
The IR3622 IC integrates a dual synchronous Buck controller, providing a high performance and flexible solution. The IR3622 can be configured as 2-independent outputs or as current shared single output. The current share configuration is ideal for high current applications.

Features
• Dual Synchronous Controller with 180° Out of Phase Operation
• Configurable to 2-Independent Outputs or Current Shared Single Output
• Output Voltage Tracking
• Power up / down Sequencing
• Current Sharing Using Inductor’s DCR
• +/-1% Accurate Reference Voltage
• Programmable Switching Frequency up 600kHz
• Programmable Over Current Protection
• Hiccup Current Limit Using MOSFET Rds(on) sensing
• Latched Overvoltage Protection
• Dual Programmable Soft-Starts
• Programmable Enable Input
• Pre-Bias Start-up
• Dual Power Good Outputs
• On Board Regulator
• External Frequency Synchronization
• Thermal Protection
• 32-Lead MLPQ Package

Applications
• Embedded Telecom Systems
• Distributed Point of Load Power Architectures
• Computing Peripheral Voltage Regulators
• Graphics Cards
• General DC/DC Converters