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MAX16036 Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX16036 Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 21 page General Description 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 signifi- cantly improve system reliability and accuracy com- pared to other ICs or discrete components. The MAX16033–MAX16040 provide µP reset, backup-bat- tery switchover, power-fail warning, watchdog, and chip-enable gating features. The MAX16033–MAX16040 operate from supply volt- ages up to 5.5V. The factory-set reset threshold voltage ranges from 2.32V to 4.63V. The devices feature a man- ual-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 Features ♦ 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 Low-Power Battery Backup Circuits in Small µDFN Packages ________________________________________________________________ Maxim Integrated Products 1 19-0882; Rev 0; 7/07 For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Ordering Information continued on last page. * These parts offer a choice of reset threshold voltages. From the Reset Threshold Ranges table, insert the desired threshold volt- age code in the blank to complete the part number. See Selector Guide for a listing of device features. + Denotes a lead-free package. T = Tape and reel. Pin Configurations and Typical Operating Circuit appear at end of data sheet. Ordering Information PART* TEMP RANGE PIN- PACKAGE PKG CODE MAX16033LLB_ _+T -40°C to +85°C 10 µDFN-10 L1022-1 MAX16033PLB_ _+T -40°C to +85°C 10 µDFN-10 L1022-1 MAX16034LLB_ _+T -40°C to +85°C 10 µDFN-10 L1022-1 MAX16034PLB_ _+T -40°C to +85°C 10 µDFN-10 L1022-1 Note: Replace “_” with L for push-pull or P for open-drain RESET and PFO outputs. Selector Guide PART MR WATCHDOG BATTON RESETIN CEIN/CEOU PFI, PFO PIN-PACKAGE MAX16033_ ✓✓ ✓ 10 µDFN-10 MAX16034_ ✓✓ ✓ 10 µDFN-10 MAX16035_ ✓✓ ✓ 10 µDFN-10 MAX16036_ ✓✓ ✓ 10 µDFN-10 MAX16037_ ✓ ✓ 8 µDFN-8 MAX16038_ ✓✓ 8 µDFN-8 MAX16039_ ✓✓ 8 µDFN-8 MAX16040_ ✓✓ 8 µDFN-8 Portable/Battery- Powered Equipment POS Equipment Critical µP/µC Power Monitoring Set-Top Boxes Controllers Computers Fax Machines Industrial Control Real-Time Clocks Intelligent Instrument |
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