MAX6718UKSHD3+T by Analog Devices

Dual/Triple Ultra-Low-Voltage SOT23 µP Supervisory Circuits


The MAX6715-MAX6729 are ultra-low-voltage microprocessor (µP) supervisory circuits designed to monitor two or three system power-supply voltages. These devices assert a system reset if any monitored supply falls below its factory-trimmed or adjustable threshold and maintain reset for a minimum timeout period after all supplies rise above their thresholds. The integrated dual/triple supervisory circuits significantly improve system reliability and reduce size compared to separate ICs or discrete components. These devices monitor primary supply voltages (VCC1) from 1.8V to 5.0V and secondary supply voltages (VCC2) from 0.9V to 3.3V with factory-trimmed reset threshold voltage options (see Reset Voltage Threshold Suffix Guide). An externally adjustable RSTIN input option allows customers to monitor a third supply voltage down to 0.62V. These devices are guaranteed to be in the correct reset output logic state when either VCC1 or VCC2 remains greater than 0.8V. A variety of push-pull or open-drain reset outputs along with watchdog input, manual reset input, and power-fail input/output features are available (see Selector Guide). Select reset timeout periods from 1.1ms to 1120ms (min) (see Reset Timeout Period Suffix Guide). The MAX6715-MAX6729 are available in small 5, 6, and 8-pin SOT23 packages and operate over the -40°C to +85°C temperature range.

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Features

VCC1 (primary supply) Reset Threshold Voltages from 1.58V to 4.63V
VCC2 (secondary supply) Reset Threshold Voltages from 0.79V to 3.08V
Externally Adjustable RSTIN Threshold for Auxiliary/Triple-Voltage Monitoring (0.62V internal reference)
Watchdog Timer Option 35s (min) Long Startup Period 1.12s (min) Normal Timeout Period
35s (min) Long Startup Period
1.12s (min) Normal Timeout Period
Manual Reset Input Option
Power-Fail Input/Power-Fail Output Option (Push-Pull and Open-Drain Active-Low)
Guaranteed Reset Valid Down to VCC1 or VCC2 = 0.8V
Reset Output Logic Options
Immune to Short VCC Transients
Low Supply Current 14µA (typ) at 3.6V
Small 5, 6, and 8-Pin SOT23 Packages

Specifications

Reset Thresh. (V) 0 to 1.21.2 to 1.81.8 to 2.52.5 to 3.33.3 to 5.5
Reset Thresh. Accur. (%) (@ +25°C) 2.5
Reset Out Active LowPush-Pull
Interface Factory Fixed
tRESET (min) 1ms to 15ms15ms to 85ms85ms to 300ms300ms to 1s>1s
Watchdog Feature No Watchdog
Supervisor Features Manual Reset
ICC (µA) (max) 37
Package/Pins SOT23/5
BudgetaryPrice (See Notes) 3.57


MAX6718UKSHD3+T Power Management ICs - PMIC by Analog Devices

MPU SUPERVISOR DUAL 5.5V SOT-23-5

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

Specifications

Threshold Voltage 2.925V
No. of Supervisors / Monitors 2Monitors
Supply Voltage Min 800mV
Supply Voltage Max 5.5V
Reset Type Active-Low Push-Pull
Digital IC Case SOT-23
No. of Pins 5Pins
Delay Time 210ms
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

Dual/Triple Ultra-Low-Voltage | Analog Devices
Mpu Supervisor, Dual, 5.5V, Sot-23-5 | Newark Electronics
MPU SUPERVISOR, DUAL, 5.5V, SOT-23-5 | element14

Frequently Asked Questions

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Is the MAX6718UKSHD3+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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