參數(shù)資料
型號： LM3700XCBPX-308/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA9
封裝： ROHS COMPLIANT, MICRO, PLASTIC, SMD-9
文件頁數(shù)： 1/13頁
文件大小： 195K
代理商： LM3700XCBPX-308/NOPB
LM3700/LM3701
Microprocessor Supervisory Circuit with Low Line
Output
General Description
The LM3700/LM3701 series of microprocessor supervisory
circuits provide the maximum flexibility for monitoring power
supplies and battery controlled functions in systems without
backup batteries. The LM3700/LM3701 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 V
CC of
1.0V.
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.
Features
n
Standard Reset Threshold voltage: 3.08V
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
RESET (LM3700) or RESET (LM3701) outputs
n
Precision supply voltage monitor
n
Factory programmable Reset Timeout Delay
n
Available in micro SMD package for minimum footprint
n ±
0.5% Reset threshold accuracy at room temperature
n ±
2% Reset threshold accuracy over temperature
extremes
n
Reset assertion down to 1V V
CC (RESET option only)
n
28 A V
CC supply current
Applications
n
Embedded Controllers and Processors
n
Intelligent Instruments
n
Automotive Systems
n
Critical P Power Monitoring
Typical Application
20011403
September 2003
LM3700/LM3701
Microprocessor
Supervisory
Circuit
with
Low
Line
Output
2003 National Semiconductor Corporation
DS200114
www.national.com
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LM3701 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor Supervisory Circuit with Low Line Output
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