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ADP3188

更新时间： 2024-02-27 04:11:05
品牌 Logo 应用领域
亚德诺 - ADI 控制器
页数 文件大小 规格书
28页 1190K
描述
6-Bit Programmable 2-/3-/4-Phase Synchronous Buck Controller

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ADP3188 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：TSSOP包装说明：TSSOP,
针数：28Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.64模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：14 V最小输入电压：10 V
标称输入电压：12 VJESD-30 代码：R-PDSO-G28
JESD-609代码：e3长度：9.7 mm
功能数量：1端子数量：28
最高工作温度：85 °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）：NOT SPECIFIED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：OTHER端子面层：Matte Tin (Sn)
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：NOT SPECIFIED
宽度：4.4 mmBase Number Matches：1

ADP3188 数据手册

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6-Bit Programmable 2-/3-/4-Phase  
Synchronous Buck Controller  
ADP3188  
FEATURES  
Selectable 2-, 3- or 4-phase operation at up to  
1 MHz per phase  
±±9. ꢀV worst-case differential sensing error over  
teꢀperature  
FUNCTIONAL BLOCK DIAGRAM  
VCC  
RAMPADJ RT  
28  
14 13  
ADP3188  
UVLO  
SHUTDOWN  
AND BIAS  
11  
EN  
OSCILLATOR  
Logic-level PWM outputs for interface to external  
high power drivers  
Active current balancing between all output phases  
Built-in power good/crowbar blanking supports on-the-fly  
VID code changes  
6-bit digitally prograꢀꢀable 09837. V to 196 V output  
SET  
EN  
GND 19  
RESET  
27 PWM1  
CMP  
CMP  
CMP  
CMP  
DAC+150mV  
CSREF  
26  
RESET  
PWM2  
2-/3-/4-PHASE  
DRIVER LOGIC  
CURRENT  
BALANCING  
CIRCUIT  
RESET  
25 PWM3  
DAC-250mV  
RESET  
24  
PWM4  
Prograꢀꢀable short-circuit protection with  
prograꢀꢀable latch-off delay  
DELAY  
10  
PWRGD  
ILIMIT  
CROWBAR  
CURRENT  
LIMIT  
SW1  
SW2  
SW3  
SW4  
23  
22  
21  
20  
APPLICATIONS  
15  
12  
Desktop PC power supplies for  
Next-generation Intel® processors  
VRM ꢀodules  
EN  
CSSUM  
17  
CURRENT  
LIMIT  
CIRCUIT  
DELAY  
COMP  
16  
18  
CSREF  
GENERAL DESCRIPTION  
SOFT  
START  
CSCOMP  
The ADP3188 is a highly efficient, multiphase, synchronous  
buck switching regulator controller optimized for converting a  
12 V main supply into the core supply voltage required by high  
performance Intel processors. The part uses an internal 6-bit  
DAC to read a voltage identification (VID) code directly from  
the processor, which is used to set the output voltage between  
0.8375 V and 1.6 V. It uses a multimode PWM architecture to  
drive the logic-level outputs at a programmable switching  
frequency that can be optimized for VR size and efficiency.  
The phase relationship of the output signals can be pro-  
grammed to provide 2-, 3-, or 4-phase operation, allowing  
the construction of up to four complementary buck  
switching stages.  
8
FB  
9
PRECISION  
REFERENCE  
VID  
DAC  
7
1
2
3
4
5
6
FBRTN  
VID4 VID3 VID2 VID1 VID0 VID5  
Figure 1.  
The ADP3188 also includes programmable no-load offset and  
slope functions to adjust the output voltage as a function of  
the load current, so it is always optimally positioned for a system  
transient. The ADP3188 also provides accurate and reliable  
short-circuit protection, adjustable current limiting, and a  
delayed power good output that accommodates on-the-fly  
output voltage changes requested by the CPU.  
The ADP3188 is specified over the commercial tempera-  
ture range of 0°C to 85°C and is available in 28-lead, TSSOP  
and QSOP packages.  
Rev9 A  
Inforꢀation furnished by Analog Devices is believed to be accurate and reliable9  
However, no responsibility is assuꢀed by Analog Devices for its use, nor for any  
infringeꢀents of patents or other rights of third parties that ꢀay result froꢀ its use9  
Specifications subject to change without notice9 No license is granted by iꢀplication  
or otherwise under any patent or patent rights of Analog Devices9 Tradeꢀarks and  
registered tradeꢀarks are the property of their respective owners9  
One Technology Way, P9O9 Box ±106, Norwood, MA 02062-±106, U9S9A9  
Tel: 781932±94700  
Fax: 781946193113  
www9analog9coꢀ  
© 200. Analog Devices, Inc9 All rights reserved9  
1234567...28

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