MAX16057ATT31+T by Analog Devices

125nA nanoPower Supervisory Circuits with Capacitor-Adjustable Reset and Watchdog Timeouts

Status: Active
Series: MAX16057
RoHS: Unknown
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The MAX16056–MAX16059 are ultra-low-current 125nA (typ) microprocessor (µP) supervisory circuits that monitor a single system supply voltage. These devices assert an active-low reset signal whenever the VCC supply voltage drops below the factory trimmed reset threshold, manual reset is pulled low, or the watchdog timer runs out (MAX16056/MAX16058). The reset output remains asserted for an adjustable reset timeout period after VCC rises above the reset threshold. Factory-trimmed reset threshold voltages are offered from 1.575V to 4.625V in approximately 100mV increments (see Table 1 in the full data sheet). These devices feature adjustable reset and watchdog timeout using external capacitors. The MAX16056/MAX16058 contain a watchdog timer with a watchdog select input (WDS) that multiplies the watchdog timeout period by 128. The MAX16057/MAX16059 do not have the watchdog feature. The MAX16056–MAX16059 are available in either push-pull or open-drain output-type configurations (see the Ordering Information in the full data sheet). These devices are fully specified over the -40°C to +125°C automotive temperature range. The MAX16056/MAX16058 are available in the 8-pin TDFN package, and the MAX16057/MAX16059 are available in the 6-pin TDFN package.

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Features

Reduced Power Requirements Ultra-Low 125nA (typ) Supply Current 1.1V to 5.5V Operating Supply Range
Ultra-Low 125nA (typ) Supply Current
1.1V to 5.5V Operating Supply Range
Configurable Circuit Enables Flexible Designs Factory-Set Reset Threshold Options from 1.575V to 4.625V in Approximately 100mV Increments Capacitor-Adjustable Reset Timeout Capacitor-Adjustable Watchdog Timeout (MAX16056/MAX16058) Watchdog Timer Capacitor Open Detect Function Optional Watchdog Disable Function (MAX16056/MAX16058) Manual-Reset Input Push-Pull or Open-Drain Active-Low RESET Output Options
Factory-Set Reset Threshold Options from 1.575V to 4.625V in Approximately 100mV Increments
Capacitor-Adjustable Reset Timeout
Capacitor-Adjustable Watchdog Timeout (MAX16056/MAX16058)
Watchdog Timer Capacitor Open Detect Function
Optional Watchdog Disable Function (MAX16056/MAX16058)
Manual-Reset Input
Push-Pull or Open-Drain Active-Low RESET Output Options
Integrated Features Increases System Robustness Power-Supply Transient Immunity Guaranteed Active-Low RESET Valid for VCC ≥ 1.1V
Power-Supply Transient Immunity
Guaranteed Active-Low RESET Valid for VCC ≥ 1.1V
Saves Board Space 3mm x 3mm TDFN Package
3mm x 3mm TDFN Package

Specifications

Reset Thresh. (V) 1.2 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
tRESET (min) Adjustable
Watchdog Feature No Watchdog
Supervisor Features Manual Reset
ICC (µA) (max) 0.125
Package/Pins TDFN/6
BudgetaryPrice (See Notes) 1.97


MAX16057ATT31+T Power Management ICs - PMIC by Analog Devices

IC SUPERVISORY CKT 0.125 uA 5.5V DFN-

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

Specifications

Threshold Voltage 3.075V
No. of Supervisors / Monitors 1
Supply Voltage Min 1.1V
Supply Voltage Max 5.5V
Reset Type Active-Low Push-Pull
Digital IC Case Style DFN
No. of Pins 6

Alternative Descriptions

NANOPOWER MPU SUPERVISOR, 430NA, 5.5V | Farnell

Frequently Asked Questions

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This part has not been flagged as RoHS Compliant.

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