MAX16033

PRODUCTION

Low-Power Battery-Backup Circuits in Small µDFN Packages

Industry's Smallest Supervisors Offer Precision Power-Supply Monitoring with Battery Backup

Data Sheet (Rev. 2) Product Selection Table

Part Models: 6
1ku List Price: Starting From $3.10

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Overview

Low 1.2V Operating Supply Voltage
Precision Monitoring of 5.0V, 3.3V, 3.0V, and 2.5V Power-Supply Voltages
Independent Power-Fail Comparator
Debounced Manual-Reset Input
Watchdog Timer, 1.6s Timeout
Battery-On Output Indicator
Auxiliary User-Adjustable RESETIN
Low 13µA Quiescent Supply Current
Two Available Output Structures:
- Active-Low Push-Pull Reset
- Active-Low Open-Drain Reset
Active-Low Reset Valid Down to 1.2V
Power-Supply Transient Immunity
140ms (min) Reset Timeout Period
Small 2mm x 2mm, 8-Pin and 10-Pin µDFN Packages

The MAX16033–MAX16040 supervisory circuits reduce the complexity and number of components required for power-supply monitoring and battery-control functions in microprocessor (µP) systems. The devices significantly improve system reliability and accuracy compared to other ICs or discrete components. The MAX16033–MAX16040 provide µP reset, backup-battery switchover, power-fail warning, watchdog, and chip-enable gating features.

The MAX16033–MAX16040 operate from supply voltages up to 5.5V. The factory-set reset threshold voltage ranges from 2.32V to 4.63V. The devices feature a manual-reset input (MAX16033/MAX16037), a watchdog timer input (MAX16034/MAX16038), a battery-on output (MAX16035/MAX16039), an auxiliary adjustable reset input (MAX16036/MAX16040), and chip-enable gating (MAX16033–MAX16036). Each device includes a power-fail comparator and offers an active-low push-pull reset or an active-low open-drain reset.

The MAX16033–MAX16040 are available in 2mm x 2mm, 8-pin or 10-pin µDFN packages and are fully specified from -40°C to +85°C.

Applications

Portable/Battery-Powered Equipment
POS Equipment
Critical µP/µC Power Monitoring
Set-Top Boxes
Controllers
Computers
Fax Machines
Industrial Control
Real-Time Clocks
Intelligent Instruments

Part Models: 6
1ku List Price: Starting From $3.10

Documentation

Data Sheet 1

MAX16033-MAX16040: Low-Power Battery-Backup Circuits in Small µDFN Packages Data Sheet (Rev.2) 09/10/2019

Technical Articles 1

Tutorial: Improve Sensor Performance and SNR in Pulse Oximeter Designs 06/21/2010

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX16033LLB29+	10-LFCSP-2X2X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX16033LLB29+T	10-LFCSP-2X2X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX16033PLB29+	10-LFCSP-2X2X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX16033PLB29+T	10-LFCSP-2X2X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX16033PLB31+	10-LFCSP-2X2X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX16033PLB31+T	10-LFCSP-2X2X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

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