SCT9320.pdf• EMI Reduction with Switching Node Ringing-free
• 500kHz Switching Frequency with 6% Frequency
Spread Spectrum FSS
• Pulse Skipping Mode PSM with 20uA Quiescent
Current in Light Load Condition
• 3.8V-32V Wide Input Voltage Range
• Up to 2A Continuous Output Load Current
• 0.8V ±1% Feedback Reference Voltage
• Fully Integrated 130mΩ Rdson High Side MOSFET
and 70mΩ Rdson Low Side MOSFET
• 1uA Shut-down Current
• 80ns Minimum On-time
• Precision Enable Threshold for Programmable
UVLO Threshold and Hysteresis
• Low Dropout Mode Operation
• 4ms Built-in Soft Start Time
• Output Over Voltage Protection
• 3.5- to 28-V Input Voltage Range
• Adjustable Output Voltage Down to 0.8 V
• Integrated 80-mΩ High-Side MOSFET Supports
up to 2 A Continuous Output Current
• High Efficiency at Light Loads with a Pulse
Skipping Eco-mode™
• Fixed 570-kHz Switching Frequency
• Typical 1-μA Shutdown Quiescent Current
• Adjustable Slow-Start Limits Inrush Currents
• Programmable UVLO Threshold
• Overvoltage Transient Protection
• Cycle-by-Cycle Current Limit, Frequency Fold
Back and Thermal Shutdown Protection
• Available in Easy-to-Use SOIC8 Package
• Supported by WEBENCH® Software Tool
