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