General Description
The RT9205/A is a dual-output power controllers designed for high performance graphics cards and personal computers. The IC integrates a synchronous buck controller, a linear controller and protection functions into a small 14-pin package.
FEATUREs
• Operates at 5V
• 0.8V Internal Reference
• Drives Two N-channel MOSFET
• Voltage Mode PWM Control
• Fast Transient Response
• Fixed 300kHz Oscillator Frequency
• Dynamic 0~100% Duty Cycle
• Internal PWM Loop Compensation
• Internal Soft-Start
• Adaptive Non-overlapping Gate Driver
• Over-voltage Protection Uses Lower MOSFET
APPLICATIONs
• PC Motherboard
• Cable Modems, Set-Top-Box, and XDSL Modems
• DSP and Core Communications Processor Supplies
• Memory Power Supplies
• Personal Computer Peripherals
• Industrial Power Supplies
• 5V Input DC-DC Regulators
• Low Voltage Distributed Power Supplies
• Graphic Cards