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The RT6268 is a high-efficiency, monolithic asynchronous step-down DC/DC converter that can deliver up to 3.7A output current from a 7V to 36V input supply. The RT6268's current mode architecture with internal compensation is optimized for 5V car charger application over a wide range of loads and output capacitors. Cycle-by-cycle current limit provides protection against shorted outputs and soft-start eliminates input current surge during start-up. The RT6268 also provides output over voltage protection output under voltage protection and thermal shutdown protection. The low current (<3μA) shutdown mode provides output disconnect, enabling easy power management in battery-powered systems. The RT6268 is available in a SOP-8 (Exposed Pad) package.
±1% High Accuracy Feedback Voltage
7V to 36V Input Voltage Range
3.7A Peak Output Current
CC/CV Mode Control
Adjustable Load Line Compensation
Short Circuit Protection
Integrated N-MOSFET Switches
Current Mode Control
Fixed Frequency Operation : 100kHz
Programmable Output Current Limit
60mΩ Internal Power MOSFET Switch
Low EMI signature
Up to 95% Efficiency
Cycle-by-Cycle Over Current Protection
Input Under Voltage Lockout
Output Under Voltage Protection
Thermal Shutdown Protection
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