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MIC2774H-44BM5TR

更新时间： 2024-02-06 10:26:27
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 730K
描述
Power Supply Support Circuit, Adjustable, 2 Channel, PDSO5, SOT-23, 5 PIN

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MIC2774H-44BM5TR 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOT-23包装说明：LSSOP,
针数：5Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.09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 CIRCUIT
JESD-30 代码：R-PDSO-G5JESD-609代码：e0
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）：240
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：Tin/Lead (Sn85Pb15)
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：30
宽度：1.6 mm

MIC2774H-44BM5TR 数据手册

 浏览型号MIC2774H-44BM5TR的Datasheet PDF文件第2页浏览型号MIC2774H-44BM5TR的Datasheet PDF文件第3页浏览型号MIC2774H-44BM5TR的Datasheet PDF文件第4页浏览型号MIC2774H-44BM5TR的Datasheet PDF文件第5页浏览型号MIC2774H-44BM5TR的Datasheet PDF文件第6页浏览型号MIC2774H-44BM5TR的Datasheet PDF文件第7页 
MIC2774  
Dual Micro-Power Low Voltage Supervisor  
General Description  
Features  
The MIC2774 is a dual power supply supervisor that pro-  
vides under-voltage monitoring, manual reset capability, and  
power-on reset generation in a compact 5-pin SOT package.  
Features include two under-voltage detectors, one fixed and  
one adjustable, and a choice of reset outputs. One under-  
• Monitors two independent power supplies for under-volt-  
age conditions  
• One fixed and one user adjustable input  
• Choice of factory-programmed thresholds  
• Adjustable input can monitor supplies as low as 0.3V  
• Generates 140ms (minimum) power-on reset pulse  
• Manual reset input  
voltagedetectorcomparesV againstafixedthreshold.Ten  
DD  
factory-programmed thresholds are available. The second,  
user-adjustableinputiscomparedagainsta300mVreference.  
This low reference voltage allows monitoring voltages lower  
than those supported by previous supervisor ICs.  
• Choice of active-high, active-low, or open-drain active-  
low reset outputs  
• Inputs may be pulled above V (7V abs. max.)  
DD  
• Open-drain output can be pulled above V (7V abs  
The reset outputs are asserted at power-on and any time  
either voltage drops below the programmed threshold volt-  
ages and remains asserted for 140ms (min.) after they  
subsequently rise back above the threshold boundaries.  
Manual reset functionality can be provided by a switch con-  
nected between ground and the /MR input. A wide choice of  
voltage thresholds provides for a variety of supply voltages  
and tolerances. Hysteresis is included to prevent chattering  
due to noise. Typical supply current is a low 3.5µA.  
DD  
max.)  
• /RST output valid down to 1.2V  
• Ultra-low supply current, 3.5µA typical  
• Rejects brief input transients  
• IttyBitty™ 5-lead SOT-23 package  
• Pin compatible upgrade for MAX6306/09/12  
Applications  
• Monitoring processor ASIC, or FAGA core and I/O volt-  
ages  
• PDAs, hand-held PCs  
• Embedded controllers  
• Telecommunications systems  
• Power supplies  
• Wireless / Cellular systems  
• Networking hardware  
Ordering Information  
Part Number  
Reset Output  
Temperature  
Range  
Package  
Standard  
Marking Pb-Free  
Marking  
MIC2774N-XXBM5 UGXX(1) MIC2774N-XXYM5  
MIC2774H-XXBM5 UHXX(1) MIC2774H-XXYM5  
UGXX(1)  
Open-Drain. Active-Low (/RST)  
-40°C to +85°C SOT-23-5  
UHXX(1) Active-High. Complementary (RST) -40°C to +85°C SOT-23-5  
UIXX(1)  
Active-Low. Complementary (/RST) -40°C to +85°C SOT-23-5  
MIC2774L-XXBM5 UIXX(1)  
MIC2774L-XXYM5  
Notes:  
1.  
XX = Voltage options, see table on page 2. Underscore indicates a Pb-Free part.  
Typical Application  
MICROPROCESSOR  
VCORE 1.0V  
VI/O 2.5V  
VCORE  
VI/O  
MIC2774L-23  
R1  
R2  
/RST  
VDD  
IN  
/RESET  
GND  
Power_Good  
/MR  
GND  
Manual  
Reset  
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  
M9999-102605  
October 2005  
1
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