SCT9325.pdf? EMI Reduction with Switching Node Ringing-free
? 3.8V-32V Wide Input Voltage Range
? Up to 2A Continuous Output Load Current
? 5V ±1% Output Voltage
? Fully Integrated 130mΩ Rdson High-side MOSFET
and 70mΩ Rdson Low-side MOSFET
? 1uA Shut-down Current
? 20uA Ultra Low Quiescent Current
? 500KHz Switching Frequency with ±6% Frequency
Spread Spectrum FSS Modulation
? 80ns Minimum On-time
? Precision Enable Threshold for Programmable UVLO
Threshold and Hysteresis
? Low Drop-Out LDO Operation
? Pulse Skipping Modulation PSM in Light Load
? 4ms Built-in Soft-start Time
? Fixed 5-V Output
? 6.5-V to 28-V Wide Input Voltage Range
? Up to 2-A Maximum Continuous Output
Loading Current
? Pulse Skipping Mode to Achieve High Light
Load Efficiency
? Over 80% Efficiency at 10-mA Loading
? Adjustable 50-kHz to 1.1-MHz Switching
Frequency Set by an External Resistor
(Leave pin ROSC floating. Set frequency to
120 kHz and ground connection to 70 kHz)
? Peak Current-Mode Control
? Cycle-by-Cycle Over Current Protection
? Switching Node Anti-Ringing to Ease EMI Issue
? External Soft Start
? Available in SOIC8 Package
