SCT2632STER

The SCT2632 is 3A buck converter with wide input voltage, ranging from 4.2V to 60V, which integrates an 220mΩ high-side MOSFET. The SCT2632, adopting the peak current mode control, supports the Pulse Skipping Modulation (PSM) which assists the converter on achieving high efficiency at light load or standby condition. The SCT2632 features programmable switching frequency from 100kHz to 1.2 MHz with an external resistor, which provides the flexibility to optimize either efficiency or external component size. The converter supports external clock synchronization with a frequency band from 100kHz to 1.2MHz. The SCT2632 allows power conversion from high input voltage to low output voltage with a minimum 100ns on-time of highside MOSFET. The device offers adjustable soft start to prevent inrush current during the startup of output voltage ramping. The SCT2632 features internal loop compensation to simplify the loop compensation design. The SCT2632 provides cycle-by-cycle current limit, thermal shutdown protection, output over-voltage protection and input voltage under-voltage protection. The device is available in an 8-pin ESOP-8 package.

Applications

• 12-V, 24-V, 48-V Industry and Telecom Power System
• Industrial Automation and Motor Control
• Vehicle Accessories

Key features

• Wide Input Range: 4.2V - 60V
• 3A Continuous Output Current
• 0.8V ±1% Feedback Reference Voltage
• Integrated 220mΩ High-Side MOSFET
• Low Quiescent Current: 100uA
• Pulse Skipping Mode (PSM) in light load
• 100ns Minimum On-time
• Adjustable Soft-start Time
• Internal compensation for Ease of Use
• Adjustable Frequency 100KHz to 1.2MHz
• External Clock Synchronization
• Precision Enable Threshold for Programmable Input Voltage Under-Voltage Lock Out Protection (UVLO) Threshold and Hysteresis
• Low Dropout Mode Operation
• Over-voltage and Over-Temperature Protection
• Available in an ESOP-8 Package