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See Technical Specifications

MAX6423US26+T

Supervisor Open Drain or Open Collector 1 Channel SOT-143-4

Manufacturer:

Analog Devices Inc.
Mfr.Part #:

MAX6423US26+T
Datasheet:

MAX6423US26+T Datasheet (PDF)
Type:

Voltage Supervisory
Mounting Style:

SMD/SMT
Threshold Voltage:

1.6 V to 5 V
Number of Inputs Monitored:

1 Input
EDA/CAD Models:

Request Free CAD Models for MAX6423US26+T

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MAX6423US26+T General Description

The MAX6340/MAX6421MAX6426 low-power microprocessorsupervisor circuits monitor system voltagesfrom 1.6V to 5V. These devices perform a single function:they assert a reset signal whenever the V_CC supply voltagefalls below its reset threshold. The reset outputremains asserted for the reset timeout period after V_CCrises above the reset threshold. The reset timeout is externallyset by a capacitor to provide more flexibility.

Key Features

Monitor System Voltages from 1.6V to 5V
Capacitor-Adjustable Reset Timeout Period
Low Quiescent Current (1.6µA typ)
Three RESET Output Options
- Push-Pull Active-Low RESET
- Push-Pull RESET
- Open-Drain Active-Low RESET
Guaranteed Reset Valid to V_CC = 1V
Immune to Short V_CC Transients
Small 4-Pin SC70, 4-Pin SOT143, and 5-Pin SOT23Packages
MAX6340 Pin Compatible with LP3470
MAX6424/MAX6425 Pin Compatible withNCP300NCP303, MC33464/MC33465,S807/S808/S809, and RN5VD
MAX6426 Pin Compatible with PST92XX
AEC-Q100 Qualified (MAX6340UK31/V+T)

Application

Automotive
Battery-Powered Computers/Controllers
Computers
Critical µP Monitoring
Embedded Controllers
Intelligent Instruments
Medical Equipment
Portable Equipment
Set-Top Boxes

Specifications

Product Category	Supervisory Circuits	Type	Voltage Supervisory
Mounting Style	SMD/SMT	Threshold Voltage	1.6 V to 5 V
Number of Inputs Monitored	1 Input	Output Type	Active Low, Open Drain
Manual Reset	No Manual Reset	Watchdog Timers	No Watchdog
Battery Backup Switching	No Backup	Reset Delay Time	4.375 ms
Supply Voltage - Max	5.5 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C	Series	MAX6423US
Chip Enable Signals	No Chip Enable	Height	0.94 mm
Length	2.92 mm	Operating Supply Current	2.5 uA
Overvoltage Threshold	2.691 V	Pd - Power Dissipation	320 mW
Power Fail Detection	No	Product Type	Supervisory Circuits
Factory Pack Quantity	2500	Subcategory	PMIC - Power Management ICs
Supply Voltage - Min	1 V	Undervoltage Threshold	2.559 V
Width	1.3 mm	Part # Aliases	MAX6423US