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RT8250 詳細介紹

The RT8250 is a high-efficiency synchronous step-down DC/DC converter that can deliver up to 3A output current from 4.5V to 23V input supply. The RT8250's current mode architecture and external compensation allow the transient response to be optimized 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 RT8250 also provides output under voltage protection and thermal shutdown protection. The low current (<3μA) shutdown mode provides output disconnection, enabling easy power management in battery-powered systems.

RT8250 4.5V to 23V Input Voltage Range
RT8250 1.5% High Accuracy Feedback Voltage
RT8250 3A Output Current
RT8250 Integrated N-MOSFET Switches
RT8250 Current Mode Control
RT8250 Fixed Frequency Operation : 340kHz
RT8250 Output Adjustable from 0.925V to 20V
RT8250 Up to 95% Efficiency
RT8250 Programmable Soft-Start
RT8250 Stable with Low-ESR Ceramic Output Capacitors
RT8250 Cycle-by-Cycle Over Current Protection
RT8250 Input Under Voltage Lockout
RT8250 Output Under Voltage Protection
RT8250 Thermal Shutdown Protection
• Thermally Enhanced SOP-8 (Exposed Pad) Package
• RoHS Compliant and Halogen Free


• Industrial and Commercial Low Power Systems
• Computer Peripherals
• LCD Monitors and TVs
• Green Electronics/Appliances
• Point of Load Regulation of High-Performance DSPs, FPGAs and ASICs.