IR3892 - International Rectifier

IR3892 Synchronous Buck Regulator

The IR3892 SupIRBuck® is an easy-to-use, fully integrated and highly efficient DC/DC regulator. The onboard PWM controller and MOSFETs make IR3892 a space-efficient solution, providing accurate power delivery for low output voltage. IR3892 is a versatile regulator which offers programmability of switching frequency and a fixed current limit while operating i.

Features

• Single 5V to 21V application
• Wide Input Voltage Range from 1V to 21V with external Vcc
• Output Voltage Range: 0.5V to 0.86
*PVin
• Dual output, 6A/Phase
• Enhanced Line/Load Regulation with Feed- Forward
• Programmable Switching Frequency up to 1.0MHz
• Internal Digital Soft-Start
• Enable input with Voltage Monitoring Capability
• Thermally compensated current limit and Hiccup Mode Over Current Protection
• External synchronization with Smooth Clocking
• Precision Reference Voltage (0.5V +/-1%)
• Seq pin for Sequencing Applications
• Integrated MOSFETs, drivers and Bootstrap diode
• Therm.