MAX6339CUT+T by Analog Devices

Quad Voltage µP Supervisory Circuit in SOT Package


The MAX6339 is a precision quad voltage monitor with microprocessor (µP) supervisory reset timing. The device can monitor up to four system supply voltages without any external components and asserts a single reset if any supply voltage drops below its preset threshold. The device significantly reduces system size and component count while improving reliability compared to separate ICs or discrete components. A variety of factory-trimmed threshold voltages are available to accommodate different supply voltages and tolerances with minimal external component requirements. The selection includes internally fixed options for monitoring +5.0V, +3.3V, +3.0V, +2.5V, +1.8V, and -5.0V supplies with -5% and/or -10% tolerances. The device is also available with one or two user-adjustable threshold options if non-standard thresholds are desired (use external resistor-divider network). The quad monitor provides a single active-low reset output that is asserted when any monitored input is below its associated threshold. The output is open drain with a weak internal pullup (10µA) to IN2. Reset remains low for a reset timeout period (140ms min) after all voltages are above the selected thresholds. The output is valid as long as either the IN1 or IN2 input voltage remains > 1V. The MAX6339 is available in a small 6-pin SOT23 package and operates over the extended (-40°C to +85°C) temperature range.

Where to Buy

Prices starting from US$3.14

Distributor Stock
Logo for Farnell
Farnell
from US$3.14
1,279
in stock
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Logo for Newark Electronics
Newark Electronics
from US$3.62
1,279
in stock
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Logo for element14
element14
from US$3.63
1,279
in stock
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Features

Monitors Four Power-Supply Voltages
Precision Factory-Set Reset Threshold Options for +5.0V, +3.3V, +3.0, +2.5V, +1.8V, and -5.0V Supplies
User-Adjustable Voltage Monitoring Threshold Options
Low 55µA Supply Current
Open-Drain active-low RESET Output with 10µA Internal Pullup
140ms (min) Reset Timeout Period
Active-low RESET Valid to IN1 = 1V or IN2 = 1V
Immune to Short Monitored Supply Transients
No External Components Required
Guaranteed from -40°C to +85°C
Small 6-Pin SOT23 Package

Specifications

Reset Thresh. (V) 1.2 to 1.81.8 to 2.52.5 to 3.33.3 to 5.5
Reset Out Active LowOpen Drain
Interface Factory FixedR/C Adjustable
tRESET (min) 85ms to 300ms
Watchdog Feature No Watchdog
Supervisor Features Adjustable Reset InputNegative Voltage
ICC (µA) (max) 40
Package/Pins SOT23/6
BudgetaryPrice (See Notes) 2.24


MAX6339CUT+T Power Management ICs - PMIC by Analog Devices

MPU SUPERVISOR QUAD 5.5V SOT-23-6

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Threshold Voltage 4.63V
No. of Supervisors / Monitors 4Monitors
Supply Voltage Min 1V
Supply Voltage Max 5.5V
Reset Type Active-Low Open-Drain
Digital IC Case SOT-23
No. of Pins 6Pins
Delay Time 200ms
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Mpu Supervisor, Quad, 5.5V, Sot-23-6 | Newark Electronics
MPU SUPERVISOR, QUAD, 5.5V, SOT-23-6 | element14

Frequently Asked Questions

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Is the MAX6339CUT+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX6339CUT+T .

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