IR3447

25A Highly Integrated SupIRBuck® Single-Input Voltage, Synchronous Buck Regulator DCDC Converter SupIRBuck IR3447 FEATURES  Single 5V to 21V application  Wide Input Voltage Range from 1.5V to 21V with external Vcc  Output Voltage Range: 0.6V to 0.86*PVin  0.5% accurate Reference Voltage  Enhanced line/load regulation with Feed-Forward  Programmable Switching Frequency up to 1.5MHz  Internal Digital Soft-Start  Enable input with Voltage Monitoring Capability  Remote Sense Amplifier with True Differential Voltage Sensing  Thermally compensated current limit and Hiccup Mode Over Current Protection  Smart LDO to enhance efficiency  External synchronization with Smooth Clocking  Dedicated output voltage sensing for power good indication and overvoltage protection which remains active even when Enable is low.  Enhanced Pre-Bias Start up  Body Braking to improve transient  Integrated MOSFET drivers and Bootstrap diode  Thermal Shut Down  Post Package trimmed rising edge dead-time  Programmable Power Good Output  Small Size 5mm x 6mm PQFN  Operating Junction Temp: -40oCregulator. The onboard PWM controller and MOSFETs make IR3447 a space-efficient solution, providing accurate power delivery for low output voltage and high current applications. IR3447 is a versatile regulator which offers programmability of swit...