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LM3703XCBPX-308 Datasheet

  • LM3703XCBPX-308

  • Voltage Detector

  • 13頁

  • ETC

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LM3702/LM3703 Microprocessor Supervisory Circuits with Low Line Output and Manual Reset
June 2001
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.
n
n
n
n
n
n
n
n
No external components required
Manual-Reset input
RESET (LM3702) or RESET (LM3703) outputs
Precision supply voltage monitor
Factory programmable Reset Timeout Delay
Available in micro SMD package for minimum footprint
鹵
0.5% Reset threshold accuracy at room temperature
鹵
2% Reset threshold accuracy over temperature
extremes
n
Reset assertion down to 1V V
CC
(RESET option only)
n
28 碌A(chǔ) V
CC
supply current
Applications
n
n
n
n
Embedded Controllers and Processors
Intelligent Instruments
Automotive Systems
Critical 碌P Power Monitoring
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.
Typical Application
20011503
漏 2001 National Semiconductor Corporation
DS200115
www.national.com

LM3703XCBPX-308 產(chǎn)品屬性

  • 3,000

  • 集成電路 (IC)

  • PMIC - 監(jiān)控器

  • -

  • 簡單復(fù)位/加電復(fù)位

  • 1

  • 推挽式，圖騰柱

  • 高有效

  • 最小為 140 ms

  • 3.08V

  • -40°C ~ 85°C

  • 表面貼裝

  • 9-VFBGA

  • 9-uSMD

  • 帶卷 (TR)

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