TPS386596L33DGKR

1 Features

• Four Channel Voltage Detector

• Threshold Accuracy: 0.25% (typ)

• Fixed 50-ms RESET Delay Time

• Active-Low Manual Reset Input

• Very Low Quiescent Current: 7 µA (Typical)

• SVS-1: Fixed Threshold for Monitoring 3.3 V 

• SVS-2/3/4: Adjustable Threshold Down to 0.4 V 

• Open-Drain RESET Output

• Space-Saving, 8-pin MSOP Package

2 Applications

• Notebook/Desktop Computers

• Industrial Equipment

• Telecom, Networking Infrastructure

• Server, Storage Equipment

• DSP and Microcontroller Applications

• FPGA/ASIC Applications

3 Description

The TPS386596 device monitors four power rails and asserts the RESET signal when any of the SENSE inputs drop below the respective thresholds. SVS-1 can be used to monitor a 3.3-V nominal power supply with no external components required. SVS-2, SVS-3, and SVS-4 are adjustable using external resistors and can be used to monitor any power-supply voltage higher than 0.4 V. All SENSE inputs have a threshold accuracy of 0.25% (typical). The TPS386596L33 also has an active-low manual reset (MR) that can assert the RESET signal as desired by the application. The open-drain, active-low RESET output deasserts after a fixed 50-ms delay.

The TPS386596 has a low quiescent current of 7 µA (typical) and is available in a space-saving, 8-pin MSOP package.

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