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MAXIM MAX819LCUA product image
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MAXIM MAX819LCUA

Manufacturer
MAXIM
MPN
MAX819LCUA
LCSC Part #
C3684703
Packaging
MSOP-8
Customer #
Key Attributes
140ms Backup Battery Switching Active Low 1 MSOP-8 Supervisors
DatasheetMAXIM MAX819LCUA
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1+$ 3.1576$ 3.16
200+$ 1.2217$ 244.34
500+$ 1.1801$ 590.05
1,000+$ 1.1585$ 1158.50
Standard Packaging50/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Supervisors
ManufacturerMAXIM
PackagingMSOP-8
output type-
Reset Timeout140ms
Operating Temperature0℃~+70℃@(TA)
FunctionBackup Battery Switching
Reset Active LevelActive Low
ChipType-
Threshold Voltage4.65V
Number of Voltages Monitored1
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Introduction

AI Translation

The MAX817/MAX818/MAX819 microprocessor (µP) supervisory circuits simplify power-supply monitoring, battery control, and chip-enable gating in µP systems by reducing the number of components required. These devices are designed for use in +5V -powered systems. Low supply current (11µA typical) and small package size make these devices ideal for portable applications. The MAX817/MAX818/MAX819 are specifically designed to ignore fast transients on VCC. Other supervisory functions include active-low reset, backup battery switchover, watchdog input, battery freshness seal, and chip-enable gating.

These devices offer two pretrimmed reset threshold voltages for ±5% or ±10% power supplies: 4.65V for the L versions and 4.40V for the M versions. The MAX817/ MAX818/MAX819 are available in space-saving µMAX packages, as well as 8-pin DIP/SO.

Features

AI Translation
  • Precision Supply-Voltage Monitor: 4.65V (MAX81_L) 4.40V (MAX81_M)
  • 11µA Quiescent Supply Current
  • 200ms Reset Time Delay
  • Watchdog Timer with 1.6sec Timeout (MAX817/MAX818)
  • Battery-Backup Power Switching; Battery Voltage Can Exceed VCC
  • Battery Freshness Seal
  • On-Board, 3ns Gating of Chip-Enable Signals (MAX818)
  • Uncommitted Voltage Monitor for Power-Fail or Low-Battery Warning (MAX817/MAX819)
  • Manual Reset Input (MAX819)

Applications

AI Translation
  • Battery-Powered Computers and Controllers
  • Embedded Controllers
  • Intelligent Instruments
  • Critical µP Monitoring
  • Portable Equipment