SCT2A21.pdf• Wide Input Range: 4.5V-100V
• 1A Continuous Output Current
• Integrated 530mΩ High-Side and 220mΩ Low-
Side Power MOSFETs
• 150uA Quiescent Current
• 1.2V ±1% Feedback Reference Voltage at Room
Temperature
• 4.3ms Internal Soft-start Time
• Programmable Switching Frequency Range
100KHz ~ 600KHz
• COT Control Mode
• PFM operation mode at light load
• Precision Enable Threshold for Programmable
Input UVLO Threshold and Hysteresis
• Cycle-by-Cycle Current Limiting
• Over-Voltage Protection
• Over-Temperature Protection
• Available in an ESOP-8 Package
• Low RDS(ON) for Internal Switches
(Top/Bottom): 500mΩ/240mΩ
• 7-85V Input Voltage Range
• 1.2A Continuous, 1.8A Peak Output Current Capability
• Adjustable Switching Frequency
• Instant PWM Architecture to Achieve Fast Transient Responses
• Programmable Switching Frequency Range: 200~500 kHz
• 2ms Internal Soft-start Limits the Inrush Current
• Precise ±2% 1.2V Reference
• RoHS Compliant and Halogen Free
• Compact Package: SO8E
