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MAX4971EWC+T PDF预览

MAX4971EWC+T

更新时间： 2024-09-15 13:10:39
品牌 Logo 应用领域
美信 - MAXIM 控制器
页数 文件大小 规格书
9页 160K
描述
Surge Protection Circuit, BICMOS, PBGA12, 2 X 1.50 MM, ROHS COMPLIANT, WLP-12

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MAX4971EWC+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,针数：12
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：5.78
Is Samacsys：NJESD-30 代码：R-PBGA-B12
长度：2.135 mm湿度敏感等级：1
功能数量：1端子数量：12
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：VFBGA
封装形状：RECTANGULAR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表面贴装：YES
技术：BICMOS电信集成电路类型：SURGE PROTECTION CIRCUIT
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：1.555 mmBase Number Matches：1

MAX4971EWC+T 数据手册

 浏览型号MAX4971EWC+T的Datasheet PDF文件第2页浏览型号MAX4971EWC+T的Datasheet PDF文件第3页浏览型号MAX4971EWC+T的Datasheet PDF文件第4页浏览型号MAX4971EWC+T的Datasheet PDF文件第5页浏览型号MAX4971EWC+T的Datasheet PDF文件第6页浏览型号MAX4971EWC+T的Datasheet PDF文件第7页 
19-4139; Rev 1; 8/08  
Overvoltage-Protection Controllers  
with a Low R Internal FET  
ON  
01/MAX4972  
General Description  
Features  
The MAX4970/MAX4971/MAX4972 family of overvolt-  
♦ Input Voltage Protection up to +28V  
♦ Integrated nFET Switch  
age protection devices features a low 40mΩ (typ) R  
ON  
internal FET and protect low-voltage systems against  
voltage faults up to +28V. These devices also drive an  
optional external pFET to protect against reverse-polari-  
ty input voltages. When the input voltage exceeds the  
overvoltage threshold, the internal FET is turned off to  
prevent damage to the protected components.  
♦ Reverse Voltage Protection with External pFET  
♦ Enable Input  
♦ Preset Overvoltage Protection Trip Level  
5.8V (MAX4970)  
6.35V (MAX4971)  
4.65V (MAX4972)  
All switches feature a 2.3A (min) current-limit protec-  
tion. During a short-circuit occurrence, the device oper-  
ates in an autoretry mode where the internal MOSFET is  
turned on to check if the fault has been removed. The  
autoretry interval time is 15ms, and if the fault is  
removed, the MOSFET remains on.  
♦ Low-Current Undervoltage-Lockout Mode  
♦ Short-Circuit Protection (Autoretry)  
♦ Internal 15ms Startup Delay and Retry Times  
♦ Input-Voltage Power-Good Logic Output  
♦ Thermal-Shutdown Protection  
The MAX4970/MAX4971/MAX4972 feature an enable  
input (EN) that controls the operation of the internal  
nFET as well as the optional external pFET. The use of  
EN allows the external pFET to block reverse voltages  
independent of any signal present at the output.  
♦ 2mm x 1.5mm, 12-Bump WLP Package  
Pin Configuration  
The overvoltage thresholds (OVLO) are preset to  
4.65V (MAX4972), 5.8V (MAX4970), or 6.35V (MAX4971).  
The undervoltage thresholds (UVLO) are preset to 2.45V.  
When the input voltage drops below the UVLO, the  
devices enter a low-current standby mode.  
TOP VIEW (BUMPS ON BOTTOM)  
1
2
3
4
MAX4970/MAX4971/MAX4972  
A
B
C
All devices are offered in a small 12-bump, WLP pack-  
age and operate over the -40°C to +85°C extended  
temperature range.  
ACOK  
GND  
EN  
OUT  
OUT  
IN  
OUT  
IN  
OUT  
GP  
IN  
Applications  
Cell Phones  
Digital Still Cameras  
PDAs and Palmtop Devices  
MP3 Players  
IN  
WLP  
Ordering Information/Selector Guide  
PART  
PIN-PACKAGE  
12 WLP  
TOP MARK  
AAA  
PACKAGE CODE  
W121A2+1  
UVLO (V)  
2.45  
OVLO (V)  
5.8  
ACOK ACTION  
UVLO only  
MAX4970EWC+T  
MAX4971EWC+T  
MAX4972EWC+T  
12 WLP  
AAB  
W121A2+1  
2.45  
6.35  
UVLO only  
12 WLP  
AAC  
W121A2+1  
2.45  
4.65  
UVLO and OVLO  
Note: All devices are specified over the -40°C to +85°C operating temperature range.  
+Denotes a lead-free/RoHS-compliant package.  
T = Tape-and-reel package.  
Typical Operating Circuit appears at end of data sheet.  
________________________________________________________________ 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...9

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