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ADP3204JCP-REEL PDF预览

ADP3204JCP-REEL

更新时间: 2024-11-30 22:16:11
品牌 Logo 应用领域
亚德诺 - ADI 开关控制器
页数 文件大小 规格书
16页 410K
描述
3-Phase IMVP-II and IMVP-III Core Controller for Mobile CPUs

ADP3204JCP-REEL 数据手册

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3-Phase IMVP-II and IMVP-III  
Core Controller for Mobile CPUs  
a
ADP3204*  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
Pin Selectable 1-, 2-, or 3-Phase Operation  
Static and Dynamic Current Sharing Characteristics  
Backward Compatible to IMVP-II  
VCC  
ADP3204  
HYSSET  
Superior Load Transient Response with ADOPT®  
Analog Devices’ Optimal Positioning Technology  
Noise-Blanking for Speed and Stability  
Synchronous Rectifier Control Extends Battery Life  
Smooth Output Transition During VID Code Change  
Cycle-by-Cycle Current Limiting  
DSHIFT  
VR  
BSHIFT  
HYSTERESIS  
SETTING  
AND  
DPRSHIFT  
BOM  
DPSLP  
DPRSLP  
OUT3  
OUT2  
OUT1  
SHIFT-MUX  
PHASE  
SPLITTER  
Hiccup or Latched Overload Protection  
Transient-Glitch-Free Power Good  
Soft Start Eliminates Power-On In-Rush Current Surge  
Two-Level Overvoltage and Reverse Voltage  
Protection  
CS3  
CS2  
CS1  
CS+  
CS–  
RAMP  
REG  
CLIM  
CURRENT  
SENSE  
MUX  
EN  
CORE  
APPLICATIONS  
IMVP-II and IMVP-III Core DC-to-DC Converters  
Fixed Voltage Mobile CPU Core DC-to-DC Converters  
Notebook/Laptop Power Supplies  
VID4  
VID3  
VID2  
VID1  
VID0  
5-BIT VID  
DAC  
AND  
FIXED  
REF  
VID  
MUX  
AND  
REG  
Programmable Output Power Supplies  
DACOUT  
DPRSLP  
VID  
GEN  
DACRAMP  
VR  
GENERAL DESCRIPTION  
The ADP3204 is a 1-, 2-, or 3-phase hysteretic peak current  
dc-to-dc buck converter controller dedicated to power a mobile  
processor’s core. The optimized low voltage design is powered  
from the 3.3 V system supply. The nominal output voltage is  
set by a 5-bit VID code. To accommodate the transition time  
required by the newest processors, the ADP3204 features  
high speed operation to allow a minimized inductor size that  
results in the fastest change of current to the output. To  
further allow for the minimum number of output capacitors  
to be used, the ADP3204 features active voltage positioning  
with ADOPT optimal compensation to ensure a superior  
load transient response. The output signals interface with a  
maximum of three ADP3415 MOSFET drivers that are  
optimized for high speed and high efficiency for driving both the  
top and bottom MOSFETs of the buck converter. The  
ADP3204 is capable of controlling the synchronous rectifiers to  
extend battery lifetime in light load conditions.  
COREGD MONITOR  
VID TRANSIENT  
DETECTOR AND  
SHIFT SELECTOR  
BOM  
COREFB  
SS  
SS-HICCUP TIMER  
AND OCP  
DPSLP  
DPRSLP  
PWRGD  
SD  
SR CONTROL  
PWRGD BLANKER  
DRVLSD  
ENABLE UVLO-MAIN BIAS  
PM MODULE  
OVP AND RVP  
CLAMP  
GND  
ADOPT is a trademark of Analog Devices, Inc.  
*Protected by U.S.Patent No. 5,969,657; other patents pending.  
REV. 0  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© Analog Devices, Inc., 2002  

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