The RT6204GSP is a 60V, 500mA, 350kHz, high-efficiency, synchronous step-down DC-DC converter with an input-voltage range of 5.2V to 60V and a programmable output-voltage range of 0.8V to 50V. It features current-mode control to simplify external compensation and to optimize transient response with a wide range of inductors and output capacitors. High efficiency can be achieved through integrated N-MOSFETs, and pulse-skipping mode at light loads. With EN pin, power-up sequence can be more flexible and shutdown quiescent current can be reduced to < 3μA. The RT6204GSP features cycle-by-cycle current limit for over-current protection against short-circuit outputs, and user-programmable soft-start time to prevent inrush current during startup. It also includes input under-voltage lockout, output under-voltage, and thermal shutdown protection to provide safe and smooth operation in all operating conditions. The RT6204GSP is available in the SOP-8 (Exposed pad) package.
Feature
- 0.8V Feedback Reference Voltage with ±1.5% Accuracy
- Wide Input Voltage Range : 5.2V to 60V
- Output Current : 500mA
- Integrated N-MOSFETs
- Current-Mode Control
- Fixed Switching Frequency : 350kHz
- Programmable Output Voltage : 0.8V to 50V
- Low < 3μA Shutdown Quiescent Current
- Up to 92% Efficiency
- Pulse-Skipping Mode for Light-Load Efficiency
- Programmable Soft-Start Time
- Cycle-by-Cycle Current Limit Protection
- Input Under-Voltage Lockout, Output Under-Voltage and Thermal Shutdown Protection
Applications
- 4-20mA Loop-Powered Sensors
- OBD-II Port Power Supplies
- Low-Power Standby or Bias Voltage Supplies
- Industrial Process Control, Metering, and Security Systems
- High-Voltage LDO Replacement
- Telecommunications Systems
- Commercial Vehicle Power Supplies
- General Purpose Wide Input Voltage Regulation
