General Description

The RT3607BC is an IMVP8 compliant CPU power

controller which includes two voltage rails : a 4/3/2 phase

synchronous Buck controller, the CORE VR and a 2 phase

synchronous Buck controller, the AXG VR. The RT3607BC

adopts G-NAVPTM (Green Native AVP) which is Richtek's

proprietary topology derived from finite DC gain of EA

amplifier with current mode control, making it easy to set

the droop to meet all Intel CPU requirements of AVP

(Adaptive Voltage Positioning). Based on the G-NAVPTM

topology, the RT3607BC also features a quick response

mechanism for optimized AVP performance during load

transient. The RT3607BC supports mode transition

function with various operating states. A serial VID (SVID)

interface is built in the RT3607BC to communicate with

Intel IMVP8 compliant CPU. The RT3607BC supports VID

on-the-fly function with three different slew rates : Fast,

Slow and Decay. By utilizing the G-NAVPTM topology, the

operating frequency of the RT3607BC varies with VID, load

and input voltage to further enhance the efficiency even in

CCM. Moreover, the G-NAVPTM with CCRCOT (Constant

Current Ripple COT) technology provides superior output

voltage ripple over the entire input/output range. The builtin high accuracy DAC converts the SVID code ranging

from 0.25V to 1.52V with 5mV per step. The RT3607BC

integrates a high accuracy ADC for platform setting

functions, such as quick response trigger level or overcurrent level. Besides, the setting function also supports

this two rails address exchange. The RT3607BC provides

VR ready output signals. It also features complete fault

protection functions including over-voltage (OV), negative

voltage (NV), over-current (OC) and under-voltage lockout

(UVLO). The RT3607BC is available in the WQFN-60L

7x7 small foot print package

Features

 Intel IMVP8 Serial VID Interface Compatible Power

Management States

 4/3/2 Phase (CORE VR) + 2 Phase (AXG VR) PWM

Controller

 3 Embedded MOSFET Drivers at the CORE VR

 G-NAVPTM (Green Native Adaptive Voltage

Positioning) Topology

 0.5 DAC Accuracy

 Differential Remote Voltage Sensing

 Built-in ADC for Platform Programming

 Accurate Current Balance

 System Thermal Compensated AVP

 Diode Emulation Mode at Light Load Condition for

Single Phase Operation

 Fast Transient Response

 VR Ready Indicator

 Thermal Throttling

 Current Monitor Output

 OVP, OCP, NVP, UVLO

 Slew Rate Setting/Address Flip Function

 Rail Address Flexibility

 DVID Enhancement

Applications

 IMVP8 Intel CORE Supply

 Desktop Computer/ Servers Multi-phase CPU CORE

Supply

 AVP Step-Down Converter