MAX6385XS31D4-T

MAX6385XS31D4-T Features

● Factory-Set Reset Threshold Voltages Ranging from+1.58V to +4.63V in Approximately 100mV Increments● ±2.5% Reset Threshold Accuracy OverTemperature (-40°C to +125°C)● Seven Reset Timeout Periods Available: 1ms, 20ms,140ms, 280ms, 560ms, 1120ms, 1200ms (min)● 3 Reset Output Options • Active-Low Push-Pull • Active-High Push-Pull • Active-Low Open-Drain● Reset Output State Guaranteed Valid Down to VCC = 1V● Auxiliary RESET IN (MAX6387/MAX6388/MAX6389)● VCC Reset Timeout (1120ms or 1200ms)/ManualReset Timeout (140ms or 150ms) (MAX6390)● Negative-Going VCC Transient Immunity● Low Power Consumption of 6μA at +3.6V and 3μA at +1.8V● Pin Compatible with MAX809/MAX810/MAX803/MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/MAX6348, and MAX6711/MAX6712/MAX6713● Tiny 3-Pin/4-Pin SC70 and 6-Pin μDFN Packages● AEC-Q100 Qualified, Refer to Ordering Informationfor the Specific /V Trim Version

MAX6385XS31D4-T General Description

The MAX6381–MAX6390 microprocessor (μP) supervi-sory circuits monitor power-supply voltages from +1.8Vto +5.0V while consuming only 3μA of supply current at+1.8V. Whenever VCC falls below the factory-set resetthresholds, the reset output asserts and remains assertedfor a minimum reset timeout period after VCC rises abovethe reset threshold. Reset thresholds are available from+1.58V to +4.63V, in approximately 100mV increments.Seven minimum reset timeout delays ranging from 1msto 1200ms are available.The MAX6381/MAX6384/MAX6387 have a push-pull active-low reset output. The MAX6382/MAX6385/MAX6388 havea push-pull active-high reset output, and the MAX6383/MAX6386/MAX6389/MAX6390 have an open-drain active-low reset output. The MAX6384/MAX6385/MAX6386 alsofeature a debounced manual reset input (with internalpullup resistor). The MAX6387/MAX6388/MAX6389 havean auxiliary input for monitoring a second voltage. TheMAX6390 offers a manual reset input with a longer VCCreset timeout period (1120ms or 1200ms) and a shortermanual reset timeout (140ms or 150ms).The MAX6381/MAX6382/MAX6383 are available in 3-pinSC70 and 6-pin μDFN packages and the MAX6384–MAX6390 are available in 4-pin SC70 and 6-pin μDFNpackages.

MAX6385XS31D4-T Applications

● Computers● Controllers● Intelligent Instruments● Critical μP and μCPower Monitoring● Portable/Battery-Powered Equipment● Dual Voltage Systems