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MIC2777-44YM5-TR PDF预览

MIC2777-44YM5-TR

更新时间: 2024-02-20 14:27:39
品牌 Logo 应用领域
美国微芯 - MICROCHIP 输入元件光电二极管
页数 文件大小 规格书
8页 168K
描述
2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5

MIC2777-44YM5-TR 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:LSSOP,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:14 weeks风险等级:5.66
其他特性:NOMINAL THRESHOLDVOLTAGE IS 4.43; MANUAL RESET INPUT可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G5
JESD-609代码:e4长度:2.9 mm
湿度敏感等级:1信道数量:2
功能数量:1端子数量:5
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:LSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.45 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:1.6 mm
Base Number Matches:1

MIC2777-44YM5-TR 数据手册

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MIC2777  
Dual Micro-Power Low Voltage Supervisor  
General Description  
Features  
TheMIC2777isadualpowersupplysupervisorthatprovides  
under-voltagemonitoring,manualresetcapability,andpower-  
on reset generation in a compact 5-pin SOT package. Fea-  
tures include two under-voltage detectors, one fixed and one  
adjustable,andbothactive-highandactive-lowresetoutputs.  
• Monitors two independent power supplies for under-volt-  
age conditions  
• One fixed and one user adjustable input  
• 1.5% theshold accuracy  
• Choice of factory-programmed thresholds  
• User-adjustable input can monitor supplies as low as  
0.3V  
• Generates 140ms (minimum) power-on RESET pulse  
• Manual reset capability  
One under-voltage detector compares V against a fixed  
DD  
threshold.Tenfactory-programmedthresholdsareavailable.  
The other under-voltage detector is user-adjustable.  
The reset outputs are asserted for no less than 140ms at  
• Both active-high and active-low RESET outputs  
power-on and any time V or the input voltage drops below  
DD  
• Input may be pulled above V (abs. max.)  
the corresponding reference voltage. They remain asserted  
DD  
• /RST output valid down to 1.2V  
• Ultra-low supply current, 3.5µA typical  
• Rejects brief input transients  
for the timeout period after the input voltage and V sub-  
DD  
sequently rise back above the threshold boundaries. A reset  
can be generated at any time by pulling down on the adjust-  
able input. Hysteresis is included to prevent chattering due  
to noise. Typical supply current is a low 3.5µA.  
• IttyBitty™ 5-pin SOT-23 package  
Applications  
• Monitoring processor, ASIC, or FPGA core and I/O volt-  
ages  
• Computer systems  
• PDAs, hand-held PCs  
• Embedded controllers  
Telecommunications systems  
• Power supplies  
• Wireless / Cellular systems  
• Networking hardware  
Ordering Information  
Part Number  
Marking Pb-Free  
Junction Tem. Range  
Package  
Standard  
Marking  
MIC2777-XXYM5 UNXX  
MIC2777-XXBM5 UNXX  
–40ºC to +85ºC  
SOT-23-5  
Typical Application  
MICROPROCESSOR  
VCORE1.0V  
VI/O1.8V  
VCORE  
VI/O  
MIC2777  
/RST  
/RESET  
GND  
VDD  
R1  
R2  
IN  
RST  
GND  
Manual  
Reset  
OTHER  
LOGIC  
Typical Application  
IttyBitty™ is a trademark of Micrel, Inc.  
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
November 2005  
1
MIC2777  

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