General Description

The RT9218 is a dual output with one synchronous buck PWM and one linear controller. The part is proposed to generate logic-supply voltages for PC based systems. The high-performance device includes internal soft-start, frequency-compensation networks, power good signaling with specific sequence, and it comes all of the logic control, output adjustment, power monitoring and protection

functions into a small footprint package.

Features

Operating with 5V or 12V Supply Voltage

Drives All Low Cost N-MOSFETs

Voltage Mode PWM Control

300kHz Fixed Frequency Oscillator

Fast Transient Response :

High-Speed GM Amplifier

Full 0 to 100 Duty Ration

Internal Soft-Start

Power Good Indicator

Adaptive Non-Overlapping Gate Driver

Over-Current Fault Monitor on MOSFET, No Current Sense Resistor Required

Specific power good indicator for Intel®Grantsdale FSB_VTT power sequence

RoHS Compliant and 100 Lead (Pb)-Free

Applications

Graphic Card

Motherboard, Desktop Servers

IA Equipments

Telecomm Equipments

High Power DC-DC Regulators

RT9218GS属于集成电路（IC） > 线性稳压器控制器。立绮科技制造生产的RT9218GS稳压器 - 线性 + 开关此产品族中的产品用于构建执行 DC-DC 转换或电压调节功能的电路，采用的是开关模式和线性稳压器功能的组合。虽然具体的拓扑各不相同，但此类产品的主要目的是将开关模式技术的效率优势与线性稳压技术的低噪声特性结合在一起。