Optimized for 2 x 2-mm microDFN packages, the MAX16033-MAX16040 low-power microprocessor supervisory ICs offer power-supply monitoring and battery control functions. The package includes a microprocessor reset, battery-backup switchover, power-fail warning, and chip-enable gating.
The MAX16033/MAX16037 feature a manual-reset input, and the MAX16036/MAX16040 offer an auxiliary user-adjustable reset input for monitoring a second voltage. The MAX16034/MAX16038 provide a watchdog function. The MAX16035/MAX16039 feature a battery-on output during battery-backup mode. The MAX16033-MAX16036 offer internal gating of the chip-enable signals. Each device provides an active-low, push-pull reset or an active-low open-drain reset, and includes a power-fail comparator. The MAX16033-MAX16040 consume 13 µA of quiescent current and operate from as low as 1.2 V. Fully specified over the -40 to 85C extended temperature range, they are available in 8- or 10-pin microDFN packages. (From $1.98 ea/1,000available now.)
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