
Richtek Technology
General Description
The RT8294 is a high efficiency, monolithic synchronous step-downDC/DCconverter that can deliver up to2Aoutput current from a 4.5V to 23V input supply. The RT8294s current mode architecture and external compensation allow the transient response to be optimized over a wide range of loads and output capacitors.
Features
• ±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
Applications
• 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-PerformanceDSPs