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RT8284,2A,23V,340KHZ同步整流降压DC-DC转换器

RT8284】2A,23V,340KHZ同步整流降压DC-DC转换器

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RT8284 详细介绍

RT8284概述:2A,23V,340KHZ同步整流降压DC-DC转换器
The RT8284 is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 2A output current from a 4.5V to 23V input supply. The RT8284'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 startup.
The RT8284 also provides 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 RT8284 is a available in a SOP-8 and SOP-8 (Exposed Pad) package.


RT8284技术特性

• ±1.5% High Accuracy Feedback Voltage
• Input Voltage Range : 4.5V to 23V
• 2A Output Current
• Integrated N-MOSFETs
• Current Mode Control
• 340kHz Fixed Frequency Operation
• Output Adjustable Voltage Range : 0.923V to 20V
• Efficiency Up to 95%
• Programmable Soft-Start
• Stable with Low ESR Ceramic Output Capacitors
• Cycle-by-Cycle Over Current Protection
• Input Under Voltage Lockout
• Output Under Voltage Protection
• Thermal Shutdown Protection
• RoHS Compliant and Halogen Free


RT8284应用领域

• Wireless AP/Router
• Set-Top-Box
• Industrial and Commercial Low Power Systems
• LCD Monitors and TVs
• Green Electronics/Appliances
• Point of Load Regulation of High-Performance DSPs