丝印：RT8871A；Package：WQFN-48L；4/3/2-Phase PWM Controller for AMD AM2/AM2/AM3/FM1 CPUs

General Description The RT8871A/B is a 4/3/2-phase synchronous buck controller with two integrated MOSFET drivers for CPU power application and a single-phase buck with integrated MOSFET driver for North-Bridge (NB) chipset. The RT8871A/B uses differential inductor DCR current sense to achie

文件：434.91 Kbytes 页数：24 Pages

RichTek

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4/3/2-Phase PWM Controller for AMD AM2/AM2/AM3/FM1 CPUs

General Description The RT8871A/B is a 4/3/2-phase synchronous buck controller with two integrated MOSFET drivers for CPU power application and a single-phase buck with integrated MOSFET driver for North-Bridge (NB) chipset. The RT8871A/B uses differential inductor DCR current sense to achie

文件：434.91 Kbytes 页数：24 Pages

RichTek

立锜科技

AMD-CPU供电用4/3/2/1相PWM控制器

RT8871A/B是CPU供电应用的4/3/2/1相同步Buck控制器，整合了两组MOSFET驱动器和为北桥芯片组供电的单相同步Buck控制器，整合了MOSFET驱动器。它采用差分电感DCR电流检测技术完成相间电流平衡和主动电压定位，还具有工作频率可调、Power Good指示、外部误差放大器补偿、过压保护、过流保护和使能/关机等特性，可满足多种不同应用的需要，其封装为WQFN-48L 7x7和WQFN-48L 6x6。 • 12V 供电\n• 内建3组MOSFET驱动器（CPU 2 + NB 1）\n• 支持 AMD AM2 6位并行和AM2+7位串行VID 编码与双OCP\n• 支持CORE和NB部分的可编程负载线\n• 可调工作频率（典型值为 300kHz）\n• 内核电源VCORE 控制器采用相位交错技术\n• 可调过电流保护\n• 48引脚WQFN封装\n• 符合RoHS规范且不含卤素;

Richtek

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4/3/2-Phase PWM Controller for AMD AM2/AM2/AM3/FM1 CPUs

General Description The RT8871A/B is a 4/3/2-phase synchronous buck controller with two integrated MOSFET drivers for CPU power application and a single-phase buck with integrated MOSFET driver for North-Bridge (NB) chipset. The RT8871A/B uses differential inductor DCR current sense to achie

文件：434.91 Kbytes 页数：24 Pages

RichTek

立锜科技

4/3/2-Phase PWM Controller for AMD AM2/AM2/AM3/FM1 CPUs

General Description The RT8871A/B is a 4/3/2-phase synchronous buck controller with two integrated MOSFET drivers for CPU power application and a single-phase buck with integrated MOSFET driver for North-Bridge (NB) chipset. The RT8871A/B uses differential inductor DCR current sense to achie

文件：434.91 Kbytes 页数：24 Pages

RichTek

立锜科技

4/3/2-Phase PWM Controller for AMD AM2/AM2/AM3/FM1 CPUs

General Description The RT8871A/B is a 4/3/2-phase synchronous buck controller with two integrated MOSFET drivers for CPU power application and a single-phase buck with integrated MOSFET driver for North-Bridge (NB) chipset. The RT8871A/B uses differential inductor DCR current sense to achie

文件：434.91 Kbytes 页数：24 Pages

RichTek

立锜科技