NCP81111 Datasheet - ON Semiconductor

NCP81111 3 Phase VR12.5-6 High Speed Digital Controller

Pin No. Symbol 1 SDA 2 SCL 3 EN 4 TEST3/I2CCADR0 5 VFF 6 VDIG 7 VCCD 8 VCCA 9 VCCP 10 PWM1 11 SMOD1 12 DRON 13 PWM2 14 SMOD2 15 PWM3 16 SMOD3 17 CSN3 18 CSP3 19 CSN2 20 CSP2 21 CSN1 22 CSP1 23 TEST2/ADDR1 24 TEST1 25 VSP 26 VSN 27 T_SENSE 28 VR_HOT# 29 VR_RDY 30 SCLK .

NCP81111 3 Phase VR12.56 High Speed Digital Controller with SVID and I2C Interfaces for 5 MHz Desktop, Notebook CPU Applications The NCP81111 is a high performance digital single output three phase VR12.5 6 compatible buck solution optimized to operate at frequencies up to 5 MHz for Intel CPU applications. The NCP81111 and can also work as a general purpose I2C controlled multiphase voltage regulator. The NCP81111 is designed to support the NCP81163 digital phase doubler IC which expan.

NCP81111 Features

* combine to provide an accurately regulated dynamic voltage system. The control system makes use of digital constant on time modulation and is combined with an analog and digital current sensing system. This system provides the fastest initial response to dynamic load events to reduced system cost. O

NCP81111-ONSemiconductor.pdf