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RT8293A,3A,23V,340kHz同步降压DC-DC

RT8293A】3A,23V,340kHz同步降压DC-DC

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RT8293A 详细介绍

RT8293A General Description
The RT8293A is a high efficiency, monolithic synchronous step-down DC/DC converter that can deliver up to 3A output current from a 4.5V to 23V input supply. The RT8293A'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 RT8293A 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. The RT8293A is available in an SOP-8 (Exposed Pad) package.


RT8293A Features
RT8293A ±1.5% High Accuracy Feedback Voltage
RT8293A 4.5V to 23V Input Voltage Range
RT8293A 3A Output Current
RT8293A Integrated N-MOSFET Switches
RT8293A Current Mode Control
RT8293A Fixed Frequency Operation : 340kHz
RT8293A Output Adjustable from 0.8V to 20V
RT8293A Up to 95% Efficiency
RT8293A Programmable Soft-Start
RT8293A Stable with Low-ESR Ceramic Output Capacitors
• Cycle-by-Cycle Over Current Protection
• Input Under Voltage Lockout
RT8293A Output Under Voltage Protection
RT8293A Thermal Shutdown Protection
• RoHS Compliant and Halogen Free

RT8293A Application
• 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

RT8293A Pin Configurations
(VIEW)

SOP-8 (Exposed Pad)

RT8293A  Recommended Component Selection