Quad Supply Voltage Supervisors
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TPS386000, TPS3...
Description
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Technical Documents
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Reference Design
TPS386000, TPS386040
SBVS105F – SEPTEMBER 2009 – REVISED OCTOBER 2018
TPS386000 and TPS386040 Quad Supply Voltage Supervisors With Adjustable Delay and Watchdog Timer
1 Features
1 Four Independent Voltage Supervisors Channel 1:
– Adjustable Threshold Down to 0.4 V – Manual Reset (MR) Input Channels 2, 3: – Adjustable Threshold Down to 0.4 V Channel 4: – Adjustable Threshold at Any Positive or
Negative Voltage – Window Comparator Adjustable Delay Time: 1.4 ms to 10 s Threshold Accuracy: 0.25% Typical Very Low Quiescent Current: 11 μA Typical Watchdog Timer With Dedicated Output Well-Controlled Output During Power Up TPS386000: Open-Drain RESETn and WDO TPS386040: Push-Pull RESETn and WDO Package: 4-mm × 4-mm, 20-Pin VQFN
2 Applications
All DSP and Microcontroller Applications All FPGA and ASIC Applications Telecom and Wireless Infrastructure Industrial Equipment Analog Sequencing
3 Description
The TPS3860x0 family of supply voltage supervisors (SVSs) can monitor four power rails that are greater than 0.4 V and one power rail less than 0.4 V (including negative voltage) with a 0.25% (typical) threshold accuracy. Each of the four supervisory circuits (SVS-n) assert a RESETn or RESETn output signal when the SENSEm input voltage drops below the programmed threshold. With external resistors, the threshold of each SVS-n can be programmed (where ...
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