RT8871B, RT8871A Datasheet - Richtek

RT8871B - 4/3/2-Phase PWM Controller

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 achieve phase current balance and.

RT8871B Features

* include adjustable operating frequency, power good indication, external error-amp compensation, over voltage protection, over current protection and enable/shutdown for various applications. The RT8871A/B comes in a small footprint with WQFN48L 7x7 and WQFN-48L 6x6 packages. Applications z Desktop C

RT8871A-Richtek.pdf