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CHL8318-20-00CRT PDF预览

CHL8318-20-00CRT

更新时间： 2024-09-24 12:43:19
品牌 Logo 应用领域
英飞凌 - INFINEON 多相元件控制器
页数 文件大小 规格书
2页 286K
描述
Digital Multi-Phase Buck Controller Programmable 1-phase to 8-phase operation

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中文翻译

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CHL8318-20-00CRT 技术参数

生命周期：Obsolete包装说明：,
Reach Compliance Code：compliant风险等级：5.77
Base Number Matches：1

CHL8318-20-00CRT 数据手册

 浏览型号CHL8318-20-00CRT的Datasheet PDF文件第2页 
Digital Multi-Phase Buck Controller  
CHL8318-20  
FEATURES  
DESCRIPTION  
Intel VR11.x compliant Digital PWM Controller  
The CHL8318-20 is an 8-phase digital synchronous buck  
controller for core regulation of high-performance Intel®  
VR11.1 and VR11.0 platforms. The CHL8318-20 is fully  
compliant with VR11.1 including Power Status Indicator  
(PSI) and for improved light load efficiency and accurate  
current output (IMON).  
Programmable 1-phase to 8-phase operation  
Customized Digital Over-Clocking features an  
easy-to-use SMBus Gamer command and a  
Gamer VID control up to 2.3V, Gamer Vmax,  
VID Override or Track, Digital Load-Line Adjust,  
Gamer OC/OVP, Gamer OFF pin and Gamer OTP  
The IR CHL8318-20 includes a customized set of digital  
over-clocking features which require no external  
components. Gaming applications can use the SMBus  
interface to place the VRD into “Gamer Mode” to extend  
VID up to 2.3V with 6.25 mV resolution.  
IR Efficiency Shaping features a Variable Gate Drive  
and Dynamic Phase Control  
1-phase to 4-phase PSI for Light Loads  
Adaptive Transient Algorithm minimizes capacitors  
Designed for use with coupled inductors  
Enables Thermal Phase Balancing  
The CHL8318-20 deploys a number of efficiency shaping  
features such as variable MOSFET gate drive versus load,  
programmable PSI modes for optimum light-load along  
with programmable phase shedding to autonomously  
add/drop phases versus load.  
SMBus Fault Indicators: OVP, UVP, OCP, OTP  
SMBus interface for configuring and monitoring;  
SMBus commands include monitoring input  
current and power  
CHL8318-20 supports three NTC temperature sensors to  
report temperature and trigger VR HOT and OTP faults.  
Digital thermal balancing allows proportional current  
imbalance between phases.  
Compatible with IR ATL Drivers and tri-state Drivers  
9 bytes of NVM storage available for customer use  
+3.3V supply voltage; 0ºC to 85ºC Ambient  
operation  
The CHL8318-20 provides extensive OVP, UVP, OCP and  
OTP fault protection. Device and fault configuration  
parameters are easily defined using the IR Power Designer  
GUI and stored in on-chip non-volatile memory (NVM).  
RoHS Compliant, MSL level 1 package  
APPLICATIONS  
The 3-pin SMBus interface can be used to monitor a variety  
of operating parameters on up to seven CHL8318-20 based  
VRs. The controller includes a unique sensorless and  
lossless input current monitoring capability.  
Intel® VR11.x CPU VRD and VRM; DDR Memory  
High Performance Desktops and Servers  
Over-clocking and High-Efficiency Application  
BASIC APPLICATION  
PIN DIAGRAM  
56 55 54 53 52 51 50 49 48 47 46 45 44 43  
RCSP  
RCSM  
VCC  
1
42  
41  
40  
39  
38  
37  
IRTN8  
ISEN8  
2
3
VCC  
VCPU  
4
PWM8  
VRTN  
SADDR/  
GAMER_OFF  
5
PWM7  
PWM6  
PWM5  
PWM4  
CHL8318-20  
56 Pin  
8mmx8mm  
QFN  
6
7
36  
35  
IMON  
RRES  
8
TOP VIEW  
9
VINSEN  
TSEN1  
34  
33  
32  
31  
PWM3  
PWM2  
PWM1  
10  
11  
12  
13  
14  
GND  
TSEN2  
TSEN3  
EN  
NC  
30  
29  
VCC  
V18A  
VAR_GATE  
15 16 17 18 19 20 21 22 23 24 25 26 27 28  
Figure 1: CHL8318-20 Basic Application Circuit  
September28, 2011 | FINAL | V1.02  
Figure 2: CHL8318-20 Package Top View  
1
12

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