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ADP3164JRU

更新时间： 2024-02-01 00:13:48
品牌 Logo 应用领域
亚德诺 - ADI 控制器
页数 文件大小 规格书
16页 161K
描述
5-Bit Programmable 4-Phase Synchronous Buck Controller

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ADP3164JRU 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：TSSOP包装说明：TSSOP-20
针数：20Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.72模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：CURRENT-MODE控制技术：PHASE-SHIFT CONTROL
最大输入电压：14 V最小输入电压：6.1 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G20
JESD-609代码：e0长度：6.5 mm
湿度敏感等级：1功能数量：1
端子数量：20最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：240
认证状态：Not Qualified座面最大高度：1.2 mm
表面贴装：YES切换器配置：PHASE-SHIFT
最大切换频率：4000 kHz温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn85Pb15)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：4.4 mm
Base Number Matches：1

ADP3164JRU 数据手册

 浏览型号ADP3164JRU的Datasheet PDF文件第2页浏览型号ADP3164JRU的Datasheet PDF文件第3页浏览型号ADP3164JRU的Datasheet PDF文件第4页浏览型号ADP3164JRU的Datasheet PDF文件第5页浏览型号ADP3164JRU的Datasheet PDF文件第6页浏览型号ADP3164JRU的Datasheet PDF文件第7页 
5-Bit Programmable 4-Phase  
Synchronous Buck Controller  
a
ADP3164  
FEATURES  
FUNCTIONAL BLOCK DIAGRAM  
VCC  
ADOPT™ Optimal Positioning Technology for Superior  
Load Transient Response and Fewest Output  
Capacitors  
Complies with VRM 9.1 with Lowest System Cost  
4-Phase Operation at up to 500 kHz per Phase  
Quad Logic-Level PWM Outputs for Interface to  
External High-Power Drivers  
ADP3164  
SET  
PWM1  
PWM2  
PWM3  
PWM4  
UVLO  
& BIAS  
4-PHASE  
DRIVER  
LOGIC  
RESET  
CROWBAR  
3.0V  
REFERENCE  
REF  
PGND  
Active Current Balancing between All Output Phases  
Accurate Multiple VRM Module Current Sharing  
5-Bit Digitally Programmable 1.1 V to 1.85 V Output  
Total Output Accuracy ؎0.8% Over Temperature  
Current-Mode Operation  
GND  
DAC + 20%  
OSCILLATOR  
CT  
POWER  
GOOD  
PWRGD  
Short Circuit Protection  
Enhanced Power Good Output Detects Open Outputs  
in Multi-VRM Power Systems  
Overvoltage Protection Crowbar Protects  
Microprocessors with No Additional  
External Components  
CMP  
SHARE  
DAC – 20%  
CS–  
CS+  
FB  
CMP  
g
COMP  
m
APPLICATIONS  
SOFT  
START  
Desktop PC Power Supplies for:  
Intel Pentium® 4 Processors  
VRM Modules  
VID  
DAC  
VID4 VID3 VID2 VID1 VID0  
GENERAL DESCRIPTION  
The ADP3164 also uses a unique supplemental regulation tech-  
nique called active voltage positioning (ADOPT) to enhance  
load transient performance. Active voltage positioning results in  
a dc/dc converter that meets the stringent output voltage specifi-  
cations for high-performance processors, with the minimum  
number of output capacitors and smallest footprint. Unlike  
voltage-mode and standard current-mode architectures, active  
voltage positioning adjusts the output voltage as a function of the  
load current so that it is always optimally positioned for a system  
transient. The ADP3164 also provides accurate and reliable short  
circuit protection, adjustable current limiting, and an enhanced  
Power Good output that can detect open outputs in any phase for  
single or multi-VRM systems.  
The ADP3164 is a highly efficient 4-phase synchronous buck  
switching regulator controller optimized for converting a 12 V  
main supply into the core supply voltage required by high per-  
formance Intel processors. The ADP3164 uses an internal 5-bit  
DAC to read a voltage identification (VID) code directly from  
the processor, which is used to set the output voltage between  
1.1 V and 1.85 V. The ADP3164 uses a current mode PWM  
architecture to drive the logic-level outputs at a programmable  
switching frequency that can be optimized for VRM size and  
efficiency. The four output phases share the dc output current  
to reduce overall output voltage ripple. An active current bal-  
ancing function ensures that all phases carry equal portions of  
the total load current, even under large transient loads, to mini-  
mize the size of the inductors.  
The ADP3164 is specified over the commercial temperature  
range of 0°C to 70°C and is available in a 20-lead TSSOP package.  
ADOPT is a trademark of Analog Devices, Inc.  
Pentium is a registered trademark of Intel Corporation.  
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., 2001  
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