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Core Parameters (RT6363GSP)
Manufacturer: RICHTEK
Type: Asynchronous Step-Down DC-DC Converter
Input Voltage (VIN): 4V ~ 60V (Wide voltage range, directly supports 12V/24V/48V systems)
Output Voltage (VOUT): 0. 8V ~ 60V (Adjustable, set via FB voltage divider resistor)
Output Current: 3. 5A (Continuous)
Switching Frequency: 100kHz ~ 2. 5MHz (Externally adjustable, supports external synchronization)
Control Mode: Peak current mode control
Quiet Current (IQ): 100 A (High efficiency under light load)
Package: SOP-8 (Exposed Pad) for easy heat dissipation
Operating Temperature: -40°C ~ 125°C (Industrial grade)
RoHS: Compliant with environmental standards
Main Features and Characteristics
Wide input voltage and high efficiency
60V high voltage withstand, directly compatible with industrial 48V Busbar, no front-end step-down required.
Automatically enters PSM energy-saving mode under light load, with quiescent current as low as 100 A.
High frequency and flexible design
Up to 2. 5MHz operating frequency, allowing for the use of smaller inductors/capacitors.
Supports external clock synchronization (300kHz~2. 2MHz), optimizing system EMI.
Extremely short on-time (135ns), supporting extremely high step-down ratios (e. g. , 60V→5V).
Comprehensive protection mechanisms
Input undervoltage lockout (UVLO)
Output overvoltage/undervoltage protection (OVP/UVP)
Cycle-by-cycle overcurrent protection (OCP)
Overheat shutdown (OTP)
Soft-start, suppressing power-on surges.
Typical applications
Industrial automation and control power supplies
Communication equipment (12V/24V/48V systems)
Automotive electronics (GPS, entertainment systems, car chargers)
Battery-powered equipment
Motor drive power supplies
