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LM3712XUBP-308 PDF预览

LM3712XUBP-308

更新时间: 2024-09-18 14:52:27
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
14页 311K
描述
2-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA9, MICRO, BUMP, SMD-9

LM3712XUBP-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:5.82
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-PBGA-B9长度:1.412 mm
信道数量:2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:PLASTIC/EPOXY
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

LM3712XUBP-308 数据手册

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June 9, 2008  
LM3712  
Microprocessor Supervisory Circuits with Separate  
Watchdog Timer Output, Power Fail Input and Manual  
Reset  
General Description  
Features  
The LM3712 series of microprocessor supervisory circuits  
provide the maximum flexibility for monitoring power supplies  
and battery controlled functions in systems without backup  
batteries. The LM3712 series are available in a 9-bump micro  
SMD package.  
Standard Reset Threshold voltage: 3.08V  
Custom Reset Threshold voltages: For other voltages  
between 2.2V and 5.0V in 10mV increments, contact  
National Semiconductor Corp.  
No external components required  
Built-in features include the following:  
Manual-Reset input  
Reset: Reset is asserted during power-up, power-down, and  
brownout conditions. RESET is guaranteed down to VCC of  
1.0V.  
RESET output  
Precision supply voltage monitor  
Factory programmable Reset and Watchdog Timeout  
Delays  
Manual Reset Input: An input that asserts reset when pulled  
low.  
Separate Watchdog output  
Power-Fail Input: A 1.225V threshold detector for power fail  
warning, or to monitor a power supply other than VCC  
Separate Power Fail comparator  
.
Available in micro SMD package for minimum footprint  
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, the watchdog output  
(WDO) pulls low.  
±0.5% Reset threshold accuracy at room temperature  
±2% Reset threshold accuracy over temperature  
extremes  
Reset assertion down to 1V VCC  
28 µA VCC supply current  
Applications  
Embedded Controllers and Processors  
Intelligent Instruments  
Automotive Systems  
Critical µP Power Monitoring  
Typical Application  
20011903  
© 2008 National Semiconductor Corporation  
200119  
www.national.com  

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