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MAX6887

Features: · Hex/Quad Voltage Detectors· Undervoltage and Overvoltage Thresholds· 1% Threshold Accuracy· Margining Disable and Manual Reset Input· Watchdog Timer· Open-Drain RESET, OV, andWDO Outputs· 180ms (min) Reset Timeout Period· Few External Components· Small 5mm x 5mm, 16-Pin Thin QFN Packag...

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SeekIC No. : 004411956 Detail

MAX6887: Features: · Hex/Quad Voltage Detectors· Undervoltage and Overvoltage Thresholds· 1% Threshold Accuracy· Margining Disable and Manual Reset Input· Watchdog Timer· Open-Drain RESET, OV, andWDO Outputs...

MAX6887 Data Sheet

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Part Number:
MAX6887
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

· Hex/Quad Voltage Detectors
· Undervoltage and Overvoltage Thresholds
· 1% Threshold Accuracy
· Margining Disable and Manual Reset Input
· Watchdog Timer
· Open-Drain RESET, OV, and WDO Outputs
· 180ms (min) Reset Timeout Period
· Few External Components
· Small 5mm x 5mm, 16-Pin Thin QFN Packages


Application

·Multivoltage Systems
·Telecom
·Networking
·Servers/Workstations/Storage Systems


Specifications

(All voltages referenced to GND.)
IN1IN6, VCC, RESET, OV, WDO ............................-0.3V to +6V
WDI, MR, MARGIN ...................................................-0.3V to +6V
BP........................................................................... -0.3V to +3V
Input/Output Current (all pins)........................................±20mA
Continuous Power Dissipation (TA = +70°C)
16-Pin 5mm x 5mm Thin QFN
(derate 20.8mW/°C above +70°C)..............................1667mW
Maximum Junction Temperature .....................................+150°C
Operating Temperature Range .........................-40°C to +85°C
Storage Temperature Range ...........................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C


Description

The MAX6887/MAX6888 multivoltage supply supervisors provide several voltage-detector inputs, one watchdog input, and three outputs. Each voltage-detector input offers a factory-set undervoltage and overvoltage threshold. Manual reset and margin disable inputs offer additional flexibility.

The MAX6887 offers six voltage-detector inputs, while the MAX6888 offers four inputs. Output RESET asserts when any input voltage drops below its respective undervoltage threshold or manual reset MR is asserted. Output OV of MAX6887 asserts when any input voltage exceeds its respective overvoltage threshold. Monitor standard supply voltages listed in the Selector Guide.

The MAX6887/MAX6888 offer a watchdog timer with an initial and normal timeout periods of 102.4s and 1.6s, respectively. Watchdog output WDO asserts when the watchdog timer expires. Connect WDO to manual reset input MR to generate resets when the watchdog timer expires. RESET, OV, and WDO are active-low, opendrain outputs.

The MAX6887/MAX6888 are available in a 5mm x 5mm x 0.8mm, 16-pin thin QFN package and operate over the extended -40°C to +85°C temperature range.




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