Datasheet > RT3601BJ

RT3601BJ

更新时间： 2024-09-18 19:41:51

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
41页	693K
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RT3601BJ 技术参数

Status：	Active	VID Table Support：	IMVP8
Number of Phases：	1;1;2	Vcc (typ) (V)：	5
Vin (min) (V)：	4.5	Vin (max) (V)：	24
Accuracy (Vout>=1V) (+/- %)：	0.5	Freq (typ) (kHz)：	600
Built-in DAC Generator：	Yes	Number of MOSFET Drivers：	0;0;0
Features：	Adjustable Frequency;Cycle-by-Cycle Current Limit;DCR Current Sense;Diode Emulation Mode;Droop Control;Enable Input;Fast Transient Response;G-NAVP Control;OCP;OVP;Power Good;Stable with Ceramic Capacitor;UVP	Package Type：	WQFN6x6-48

RT3601BJ 数据手册

RT3601BJ

Triple Channel PWM Controller for IMVP8 Mobile CPU Core

Power Supply

General Description

Features

^Intel IMVP8 Serial VID Interface Compatible Power

The RT3601BJ is an IMVP8 compliant CPU power

controller which includes three voltage rails : a single

phase synchronous Buck controller, the MAIN VR, a 2/1

phase synchronous Buck controller, the auxiliary VR, and

a single phase synchronous Buck controller, the VCCSA

VR. The RT3601BJ adoptsG-NAVP^TM(GreenNativeAVP)

which is Richtek's proprietary topology derived from finite

DC gain of EAamplifier 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-

NAVP^TMtopology, the RT3601BJ also features a quick

response mechanism for optimized AVP performance

during load transient. The RT3601BJ supports mode

transition function with various operating states. A serial

VID (SVID) interface is built in the RT3601BJ to

communicate with Intel IMVP8 compliant CPU. The

RT3601BJ supports VID on-the-fly function with three

different slew rates : Fast, Slow and Decay. By utilizing

the G-NAVP^TMtopology, the operating frequency of the

RT3601BJ varies with VID, load and input voltage to further

enhance the efficiency even in CCM. Moreover, the G-

NAVP^TMwith CCRCOT (Constant Current Ripple COT)

technology provides superior output voltage ripple over

the entire input/output range. The built-in high accuracy

DAC converts the SVIDcode ranging from 0.25V to 1.52V

with 5mV per step. The RT3601BJ integrates a high

accuracyADC for platform setting functions, such as quick

response trigger level. Besides, the setting function also

supposes this two rails address exchange. The RT3601BJ

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 RT3601BJ is available in the WQFN-

48L 6x6 small foot print package.

Management States

^Single Phase (MAIN VR) + 2/1 Phase (Auxiliary VR)

+ Single Phase (VCCSA VR) PWM Controller

^G-NAVP^TM(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

Multiple or 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

 RoHS Compliant and Halogen Free

Applications

 IMVP8 Intel Core Supply

 Notebook/Desktop Computer/ Servers Multi-phase CPU

Core Supply

 AVP Step-Down Converter

Simplified Application Circuit

RT3601BJ

To PCH

VR_READY PWM_MAIN

Driver

MOSFET

CORE

VR_HOT

PWM_SA

VCLK

Driver

MOSFET

To CPU

VDIO

PWM1_AUXI

Driver

MOSFET

AXG

PWM2_AUXI

ALERT

is a registered trademark of Richtek Technology Corporation.

DS3601BJ-00 October 2017

www.richtek.com

12 3 4 5 6 7...41

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