3.8~40V Input,5A Synchronous Step-down DC/DC with PSM Mode, SCT2450 Replace AP64500.
SCT2450
SCT2450.pdf
SCT2450.pdfFEATURES
? Wide Input Range: 3.8V-36V
? Up to 5A Continuous Output Current
? 0.8V ±1% Feedback Reference Voltage
? Integrated 45m? High-Side and 20mΩ Low-Side
Power MOSFETs
? Pulse Skipping Mode (PSM) with 25uA Quiescent
Current in Sleep Mode
? 100ns Minimum On-time
? 4ms Internal Soft-start Time
? Adjustable Frequency 100KHz to 1.1MHz
? Low Dropout Mode Operation
? Derivable Inverting Voltage Regulator
? Over-voltage and Over-Temperature Protection
? Available in an ESOP-8 Package
PIN CONFIGUTION
優勢替代
FEATURES
? VIN 3.8V to 40V
? 5A Continuous Output Current
? 0.8V ± 1% Reference Voltage
? 25?A Low Quiescent Current (Pulse Frequency Modulation)
? Programmable Switching Frequency: 100kHz to 2.2MHz
? External Clock Synchronization: 100kHz to 2.2MHz
? Up to 85% Efficiency at 5mA Light Load
? Low-Dropout (LDO) Mode
? Precision Enable Threshold to Adjust UVLO
? Protection Circuitry
- Undervoltage Lockout (UVLO)
- Output Overvoltage Protection (OVP)
- Cycle-by-Cycle Peak Current Limit
- Thermal Shutdown
PIN CONFIGUTION
