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MAX4925ELT+ PDF预览

MAX4925ELT+

更新时间: 2024-09-16 04:41:55
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描述
Overvoltage Protectors with External pFET

MAX4925ELT+ 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:DFN
包装说明:VSON, SOLCC6,.04,20针数:6
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:5.06
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-XDSO-N6
JESD-609代码:e4长度:1.5 mm
湿度敏感等级:1功能数量:1
端子数量:6最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:VSON封装等效代码:SOLCC6,.04,20
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度(摄氏度):260电源:5 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Power Management Circuits最大供电电流 (Isup):0.025 mA
最大供电电压 (Vsup):28 V最小供电电压 (Vsup):1.8 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:BICMOS温度等级:INDUSTRIAL
端子面层:GOLD端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:1 mm
Base Number Matches:1

MAX4925ELT+ 数据手册

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19-0810; Rev 0; 4/07  
Overvoltage Protectors with  
External pFET  
3–MAX4926  
General Description  
Features  
The MAX4923–MAX4926 overvoltage protection  
(OVP) controllers protect low-voltage systems against  
high-voltage faults of up to +28V with an appropriate  
external pFET. When the input voltage exceeds the over-  
voltage lockout (OVLO) threshold, or falls below the  
undervoltage lockout (UVLO) threshold, these devices  
turn off the pFET to prevent damage to protected compo-  
nents and issue a flag to notify the processor of a fault  
condition.  
o Overvoltage Protection Up to +28V  
o Preset 7.18V, 6.16V, 5.65V, and 4.46V Typical  
Overvoltage Trip Levels  
o Preset 2.44V Typical Undervoltage Trip Level  
o
2.5ꢀ ꢁccꢂrate OvervoltageꢃUndervoltage  
Trip Levels  
o Low 13µꢁ (typ) Sꢂpply Cꢂrrent  
o Drives External pFET  
The typical overvoltage trip level is set to 7.18V  
(MAX4923), 6.16V (MAX4924), 5.65V (MAX4925), and  
4.46V (MAX4926). The undervoltage trip level is set to  
2.44V (typ) for all devices.  
o 20ms ꢁdapter Deboꢂnce Time  
o Faꢂlt Flag Indicator  
The input (IN) is ESD protected to 15kV ꢀHM when  
bypassed to ground with a 1µF ceramic capacitor. All  
devices are offered in a small, 6-pin (1.5mm x 1.0mm)  
µDFN package and are specified over the extended  
-40°C to +85°C temperature range.  
o 6-Pin (1.5mm x 1.0mm) µDFN Package  
Typical Operating Circuit  
Applications  
Cell Phones  
Digital Still Cameras  
PDAs and Palmtop Devices  
INPUT  
+1.8V TO 28V  
OUTPUT  
P
MP3 Players  
Pin Configuration  
1
4
IN  
GATE  
1μF  
TOP VIEW  
N.C  
6
N.C  
5
GATE  
4
V
MAX4923–MAX4926  
IO  
3
2
GND  
FLAG  
MA4923MAX4926  
2
1
3
IN  
GND  
FLAG  
μDFN  
Ordering Information/Selector Guide  
PART  
PIN-PACKAGE  
6 μDFN  
OVLO (V)  
7.18  
UVLO (V)  
2.44  
TOP MARK  
PKG CODE  
L611-1  
MAX4923ELT+*  
MAX4924ELT+  
MAX4925ELT+  
MAX4926ELT+  
LB  
LC  
LD  
LE  
6 μDFN  
6.16  
2.44  
L611-1  
6 μDFN  
5.65  
2.44  
L611-1  
6 μDFN  
4.46  
2.44  
L611-1  
Note: All devices are specified over the -40°C to +85°C operating temperature range.  
+Denotes lead-free package.  
*Future Product—contact factory for availability.  
________________________________________________________________ Maxim Integrated Prodꢂcts  
1
For pricing, delivery, and ordering information, please contact MaximꢃDallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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