MAX6802UR29D3+T by Analog Devices

3-Pin, Low-Power µP Reset Circuits


The MAX6800/MAX6801/MAX6802 microprocessor (µP) supervisory circuits monitor the power supplies in 2.85V to 5.0V µP and digital systems. They increase circuit reliability and reduce cost by eliminating external components and adjustments. These devices perform a single function—they assert a reset signal whenever the VCC supply voltage declines below a preset threshold, keeping it asserted for a preset timeout period after VCC has risen above the reset threshold. The only difference among the three devices is their output. The MAX6801 (push/pull) and MAX6802 (open-drain) have an active-low RESET output, while the MAX6800 (push/pull) has an active-high RESET output. The MAX6800/MAX6801 are guaranteed to be in the correct state for VCC down to 0.7V. The MAX6802 is guaranteed to be in the correct state for VCC down to 1.0V. The reset comparator in these ICs is designed to ignore fast transients on VCC. Reset thresholds are factory-trimmable between 2.63V and 4.80V, in approximately 100mV increments. These devices are available with a 1ms (min), 20ms (min), or 100ms (min) reset pulse width. Ideal for space-critical applications, the MAX6800/MAX6801/MAX6802 come packaged in a 3-pin SOT23. For a lower threshold voltage version, see the MAX6332/MAX6333/MAX6334.

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Features

Ultra-Low 0.7V Operating Supply Voltage
Low 4.0µA Supply Current
Precision Monitoring of 2.85V to 5.0V Power-Supply Voltages
Reset Thresholds Available from 2.63V to 4.80V, in Approximately 100mV Increments
Fully Specified over Temperature
Three Power-On Reset Timeout Periods Available (1ms min, 20ms min, 100ms min)
Low Cost
Three Available Output Structures: Push/Pull RESET, Push/Pull active-low RESET, Open-Drain active-low RESET
Guaranteed RESET/active-low RESET Valid to VCC = 0.7V (MAX6800/MAX6801)
Power-Supply Transient Immunity
No External Components Required
3-Pin SOT23 Package
Pin Compatible with MAX809/MAX810, MAX6326/MAX6327/MAX6328, and MAX6346/MAX6347/MAX6348

Specifications

Reset Thresh. (V) 2.5 to 3.33.3 to 5.5
Reset Out Active LowOpen Drain
tRESET (min) 1ms to 15ms15ms to 85ms85ms to 300ms
Watchdog Feature No Watchdog
ICC (µA) (max) 12
Package/Pins SOT23/3
BudgetaryPrice (See Notes) 1.69


MAX6802UR29D3+T Power Management ICs - PMIC by Analog Devices

MPU SUPERVISOR 5.5V SOT-23-3

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

Specifications

Threshold Voltage 2.93V
No. of Supervisors / Monitors 1Monitors
Supply Voltage Min 1V
Supply Voltage Max 5.5V
Reset Type Active-Low Open-Drain
Digital IC Case SOT-23
No. of Pins 3Pins
Delay Time 150ms
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

3-Pin, Low-Power µP Reset Circ | Analog Devices
Mpu Supervisor, 5.5V, Sot-23-3 | Newark Electronics
MPU SUPERVISOR, 5.5V, SOT-23-3 | element14

Frequently Asked Questions

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Is the MAX6802UR29D3+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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