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MAX8649AEWE+T

更新时间： 2024-11-18 19:46:15
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关
页数 文件大小 规格书
31页 1924K
描述
Switching Regulator, Current-mode, 3.2A, 4060kHz Switching Freq-Max, BICMOS, PBGA16, 2 X 2 MM, 0.50 MM PITCH, ROHS COMPLIANT, WLP-16

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MAX8649AEWE+T 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：BGA
包装说明：VFBGA, BGA16,4X4,20针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.76
其他特性：OPERATES IN ADJUSTABLE MODE FROM 0.75 TO 1.38V模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：CURRENT-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：5.5 V最小输入电压：2.5 V
标称输入电压：3.6 VJESD-30 代码：S-PBGA-B16
长度：2.045 mm湿度敏感等级：1
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
最大输出电流：3.2 A封装主体材料：PLASTIC/EPOXY
封装代码：VFBGA封装等效代码：BGA16,4X4,20
封装形状：SQUARE封装形式：GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：0.69 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BUCK
最大切换频率：4060 kHz技术：BICMOS
温度等级：INDUSTRIAL端子面层：NOT SPECIFIED
端子形式：BALL端子节距：0.5 mm
端子位置：BOTTOM处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：2.045 mmBase Number Matches：1

MAX8649AEWE+T 数据手册

 浏览型号MAX8649AEWE+T的Datasheet PDF文件第2页浏览型号MAX8649AEWE+T的Datasheet PDF文件第3页浏览型号MAX8649AEWE+T的Datasheet PDF文件第4页浏览型号MAX8649AEWE+T的Datasheet PDF文件第5页浏览型号MAX8649AEWE+T的Datasheet PDF文件第6页浏览型号MAX8649AEWE+T的Datasheet PDF文件第7页 
19-4504; Rev 4; 6/11  
1.8A Step-Down Regulator with  
Remote Sense in 2mm x 2mm WLP  
/MX8649A  
General Description  
Features  
o 1.8A Guaranteed Output Current  
The MAX8649/MAX8649A high-efficiency DC-to-DC step-  
down switching regulators deliver up to 1.8A of output cur-  
rent. The device operates from a 2.5V to 5.5V input  
voltage range, making it future proof for next-generation  
battery technologies. The output voltage is I2C program-  
mable from 0.75V to 1.38V. Remote sense ensures pre-  
cise DC regulation at the load. Total output error is less  
than 2% over load, line, and temperature.  
2
o I C Programmable V  
(750mV to 1.38V in 10mV  
OUT  
Steps)  
o Operates from 2.5V to 5.5V Input Supply  
o On-Chip FET and Synchronous Rectifier  
o Fixed 3.25MHz PWM Switching Frequency  
o Synchronizes to 13MHz, 19.2MHz, or 26MHz  
System Clock when Available  
o Small 1.0µH Inductor  
The ICs operate at a 3.25MHz fixed frequency. The high  
operating frequency minimizes the size of external com-  
ponents. The switching frequency of the converter can be  
synchronized to the master clock of the application. When  
synchronizing to an external clock, the ICs measure the  
frequency of the external clock to ensure that the clock is  
stable before changing the switching frequency to the  
external clock frequency.  
o Initial Accuracy 0.5% at 1.25V Output  
o 2% Output Accuracy Over Load, Line, and  
Temperature  
o Power-Save Mode Increases Light Load Efficiency  
o Overvoltage and Overcurrent Protection  
o Thermal Shutdown Protection  
An on-board DAC allows adjustment of the output volt-  
age in 10mV steps. The output voltage can be pro-  
grammed directly through the I2C interface, or by  
preloading a set of on-board registers and using the  
two VID logic signals to select the appropriate register.  
Other features include internal soft-start control circuitry  
to reduce inrush current, output overvoltage, overcur-  
rent, and overtemperature protection.  
2
o 400kHz I C Interface  
o < 1µA Shutdown Current  
o 16-Bump, 2mm x 2mm WLP Package  
Ordering Information  
2
I C ADDRESS  
PART  
PIN-PACKAGE  
2
The ICs feature different I C addresses so that devices  
(WRITE/READ)  
may be used in a system. For a 2.5A version of this  
device, refer to the MAX8952 data sheet.  
MAX8649EWE+T  
16 WLP (0.5mm pitch)  
0xC0/0xC1  
MAX8649AEWE+T 16 WLP (0.5mm pitch)  
0xC4/0xC5  
Applications  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
Note: All devices operate over the -40°C to +85°C temperature  
range.  
Cell Phones and Smartphones  
PDAs and MP3 Players  
Typical Operating Circuit  
Bump Configuration  
TOP VIEW  
(BUMPS ON BOTTOM)  
2.5V TO  
5.5V  
1.8V TO  
3.6V  
VID1  
MAX8649  
MAX8649A  
IN1  
A1  
AGND  
A2  
IN2  
A4  
+
IN2  
LX  
V
DD  
A3  
10μF  
0.1μF  
0.1μF  
1μH  
10μF  
2.5V TO  
5.5V  
V
OUT  
(0.75V TO  
1.38V)  
SNS+  
B1  
EN  
B2  
LX  
B3  
LX  
B4  
SCL  
SDA  
0.1μF  
11Ω  
PGND  
IN1  
PGND  
PGND  
SNS-  
C1  
VID0  
C2  
2.2μF  
0.1μF  
FSYNC  
SNS+  
SNS-  
C3  
SCL  
D3  
C4  
SYNC  
D4  
EN  
VID0  
VID1  
CPU  
V
SDA  
D2  
DD  
AGND  
D1  
WLP 0.5mm PITCH  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
1234567...31

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MAX8649AEWE+T 替代型号

型号 品牌 替代类型 描述 数据表
MAX8649EWE+T MAXIM

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