SC171 Description
The SC171 is an integrated, synchronous 1A EcoSpeedTM step-down regulator, which incorporates Semtech’s advanced, patented adaptive on-time architecture to achieve best-in-class performance in dynamic point-ofload applications. The input voltage range is 3V to 5.5V with a programmable output voltage from 0.75V up to 95% x VIN.
SC171 Key Features
- VIN: 3V to 5.5V
- VOUT: 0.75V to 95% x VIN
- IOUT: Up to 1A
- Low RDS(ON) Switches Up to 95% Peak Efficiency
- High Output Accuracy
- Small Ceramic Capacitors
- Power Good Pin (Open-Drain)
- Patented Adaptive On-Time Control: Excellent Transient Response Programmable Pseudo-fixed Frequency
- Fault Protection Features: Cycle-by-Cycle Current Limit Short Circuit Protection Over and Under Output Voltage Protectio
- Internal Soft start