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| 型號： | LM3702XDBPX-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： | MICRO, SMD-9 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 222K |
| 代理商： | LM3702XDBPX-308/NOPB |
LM3702/LM3703
Microprocessor Supervisory Circuits with Low Line
Output and Manual Reset
General Description
The LM3702/LM3703 series of microprocessor supervisory
circuits provide the maximum flexibility for monitoring power
supplies and battery controlled functions in systems without
backup batteries. The LM3702/LM3703 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.
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.
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
Manual-Reset input
n
RESET (LM3702) or RESET (LM3703) 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
20011503
September 2003
LM3702/LM3703
Microprocessor
Supervisory
Circuits
with
Low
Line
Output
and
Manual
Reset
2003 National Semiconductor Corporation
DS200115
www.national.com
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| LM3702XDBPX-31 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor Supervisory Circuits with Low Line Output and Manual Reset |
| LM3702XDBPX-32 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor Supervisory Circuits with Low Line Output and Manual Reset |
| LM3702XDBPX-33 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor Supervisory Circuits with Low Line Output and Manual Reset |
| LM3702XDBPX-34 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor Supervisory Circuits with Low Line Output and Manual Reset |
| LM3702XDBPX-35 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Microprocessor Supervisory Circuits with Low Line Output and Manual Reset |
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