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LM3708YJBPX-308 PDF预览

LM3708YJBPX-308

更新时间: 2024-11-07 14:38:11
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
11页 226K
描述
1-CHANNEL POWER SUPPLY MANAGEMENT CKT, BGA9, MICRO, BUMP, SMD-9

LM3708YJBPX-308 技术参数

生命周期:Obsolete包装说明:FBGA,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
Is Samacsys:N其他特性:RESET THRESHOLD VOLTAGE IS 3.08V
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码:S-XBGA-B9长度:1.412 mm
信道数量:1功能数量:1
端子数量:9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:FBGA封装形状:SQUARE
封装形式:GRID ARRAY, FINE PITCH认证状态:Not Qualified
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):1 V
标称供电电压 (Vsup):1.2 V表面贴装:YES
温度等级:INDUSTRIAL端子形式:BALL
端子节距:0.5 mm端子位置:BOTTOM
宽度:1.412 mmBase Number Matches:1

LM3708YJBPX-308 数据手册

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June 2002  
LM3708/LM3709  
Microprocessor Supervisory Circuits with Low Line  
Output, Manual Reset and Watchdog Timer  
n Custom Reset Threshold voltages: For other voltages  
between 2.2V and 5.0V in 10mV increments, contact  
National Semiconductor Corp.  
n No external components required  
n Manual-Reset input  
n RESET (LM3708) or RESET (LM3709) outputs  
n Precision supply voltage monitor  
n Factory programmable Reset and Watchdog Timeout  
Delays  
General Description  
The LM3708/LM3709 series of microprocessor supervisory  
circuits provide the maximum flexibility for monitoring power  
supplies and battery controlled functions in systems without  
backup batteries. The LM3708/LM3709 series are available  
in a 9-bump micro SMD package.  
Built-in features include the following:  
Reset: Reset is asserted during power-up, power-down, and  
brownout conditions. RESET is guaranteed down to VCC of  
1.0V.  
n Available in micro SMD package for minimum footprint  
n
n
0.5% Reset threshold accuracy at room temperature  
2% Reset threshold accuracy over temperature  
extremes  
Manual Reset Input: An input that asserts reset when pulled  
low.  
Low Line Output: This early power failure warning indicator  
goes low when the supply voltage drops to a value which is  
2% higher than the reset threshold voltage.  
n Reset assertion down to 1V VCC (RESET option only)  
n 28 µA VCC supply current  
Watchdog Timer: The WDI (Watchdog Input) monitors one of  
the µP’s output lines for activity. If no output transition occurs  
during the watchdog timeout period, reset is activated.  
Applications  
n Embedded Controllers and Processors  
n Intelligent Instruments  
n Automotive Systems  
n Critical µP Power Monitoring  
Features  
n Standard Reset Threshold voltage: 3.08V  
Typical Application  
20011703  
© 2002 National Semiconductor Corporation  
DS200117  
www.national.com  

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