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SGM818 - Micro-Power Voltage Detector

General Description

The SGM818 is a low power consumption voltage detector with high accuracy detection.

It operates with a supply voltage (VDD) range from 0.9V to 6V.

It can provide circuit initialization for DSP-based and processor-based systems.

Key Features

  • High Accuracy: ±1% at TJ = +25℃.
  • Low Supply Current: 1μA (TYP).
  • Detection Voltage Range: 1.2V to 5.0V (0.1V Increments).
  • No External Components Required.
  • Quick Reset within 37μs (TYP).
  • Reset Active Timeout Period  SGM818A: 0.8ms (nRESET)  SGM818B: 51ms (nRESET)  SGM818C: 208ms (nRESET)  SGM818D: 409ms (nRESET)  SGM818E: 0.8ms (RESET)  SGM818F: 51ms (RESET)  SGM818G: 208ms (RESET)  SGM818H: 409ms (RESET).
  • Low Functional Supply Voltage: 0.9V.
  • N-Chan.

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Datasheet Details

Part number SGM818
Manufacturer SG Micro
File Size 925.79 KB
Description Micro-Power Voltage Detector
Datasheet download datasheet SGM818 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SGM818 Micro-Power Voltage Detector GENERAL DESCRIPTION The SGM818 is a low power consumption voltage detector with high accuracy detection. It operates with a supply voltage (VDD) range from 0.9V to 6V. It can provide circuit initialization for DSP-based and processor-based systems. The SGM818 offers tremendous flexibility with an adjustable threshold that is available from 1.2V to 5.0V with 0.1V increments. Whenever VDD falls below a factory preset threshold level (VTH), the device will send out a reset signal. This signal will last the whole period until VDD recovers. Once VDD exceeds the release voltage (VTH + VHYS), the reset signal will maintain a certain delay time and be released. The SGM818 is available in a Green SOT-23-3 package.