Datasheet Summary
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 pensated current limit and Hiccup
Mode Over Current Protection
- Smart LDO to enhance efficiency
- External synchronization with Smooth Clocking
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