內(nèi)建2驅(qū)動(dòng)器和1只LDO的單通道 PWM 控制器應(yīng)用于 AMD SVI2 GFX 和 FCH 電源供應(yīng)

RT3668EB 是內(nèi)建2驅(qū)動(dòng)器和1只LDO的單通道PWM 控制器，符合 AMD SVI2 電壓調(diào)節(jié)器規(guī)格，用于為 FP4 GFX（VDDCR_GFX）和 FCH（VDDCR_FCH_S5）供電。它采用立锜專(zhuān)有的 G-NAVP (Green-Native AVP) 技術(shù)和 CCRCOT（Constant Current Ripple Constant On-Time，固定電流漣波固定導(dǎo)通時(shí)間）控制架構(gòu)，易于設(shè)定、控制，可滿(mǎn)足 AMD AVP (Adaptive Voltage Positioning) GFX的所有要求。其壓降特性可通過(guò)對(duì)誤差放大器的直流增益進(jìn)行設(shè)定而實(shí)現(xiàn)；使用適當(dāng)?shù)难a(bǔ)償設(shè)計(jì)， ? 2/1-相 (VDDCR_GFX) PWM 控制器\n? 1只用于FCH的LDO調(diào)節(jié)器\n? 支持動(dòng)態(tài)負(fù)載線和零負(fù)載線\n? SVI2 接口，符合 AMD 電源管理協(xié)議\n? DVID 性能強(qiáng)化\n? 差分遠(yuǎn)程電壓檢測(cè)\n? 快速瞬態(tài)響應(yīng)\n? 過(guò)熱指示 (VRHOT_L)\n? 過(guò)流保護(hù);

Richtek

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