MAX803SQ293D3T1G
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onsemi MAX803SQ293D3T1G

Manufacturer No:
MAX803SQ293D3T1G
Manufacturer:
onsemi
Package:
Tape & Reel (TR)
Description:
IC SUPERVISOR 1 CHANNEL SC70-3
Delivery:
Payment:
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Product Introduction

Overview

The MAX803SQ293D3T1G is a microprocessor reset supervisory circuit manufactured by onsemi. This device is part of the MAX803/NCP803 series, designed to monitor the power supply in digital systems and provide a reset signal to the host processor when necessary. It is a cost-effective, 3-pin system supervisor that does not require any external components. The MAX803SQ293D3T1G is optimized for low supply current, making it suitable for battery-powered applications, and it offers precision VCC monitoring with various threshold voltage options.

Key Specifications

Characteristic Min Typ Max Unit
VCC Range 1.0 - 5.5 V
Supply Current (VCC = 3.3 V) - 0.5 1.2 μA
Reset Voltage Threshold (VTH) - 2.93 - V
Reset Active TimeOut Period 100 - 330 ms
RESET Output Voltage Low (VCC = VTH - 0.2 V, ISINK = 0.5 mA) - 0.3 - V
Operating Temperature -40 - 105 °C
Package Type - - SC-70 (SOT-323) -

Key Features

  • Precision VCC monitoring for supplies from 1.5 V to 5.0 V, with options available in 100 mV steps from 1.2 V to 4.9 V.
  • Low supply current of 0.5 μA (VCC = 3.2 V), making it suitable for battery-powered applications.
  • No external components required.
  • Open-drain active-low RESET output.
  • Four guaranteed minimum power-on reset pulse widths available (1 ms, 20 ms, 100 ms, and 140 ms).
  • VCC transient immunity to reject fast transient glitches on the power supply line.
  • Wide operating temperature range: -40°C to 105°C.
  • Pb-free and RoHS compliant.

Applications

  • Computers and embedded systems.
  • Battery-powered equipment.
  • Critical microprocessor power supply monitoring.

Q & A

  1. What is the primary function of the MAX803SQ293D3T1G?

    The MAX803SQ293D3T1G is designed to monitor the power supply in digital systems and provide a reset signal to the host processor when the supply voltage falls below a specified threshold.

  2. What is the typical supply current of the MAX803SQ293D3T1G?

    The typical supply current is 0.5 μA at VCC = 3.2 V.

  3. What are the available reset timeout periods for the MAX803SQ293D3T1G?

    The available reset timeout periods are 100 ms to 330 ms.

  4. Does the MAX803SQ293D3T1G require any external components?

    No, the MAX803SQ293D3T1G does not require any external components.

  5. What is the operating temperature range of the MAX803SQ293D3T1G?

    The operating temperature range is -40°C to 105°C.

  6. Is the MAX803SQ293D3T1G Pb-free and RoHS compliant?
  7. What type of package is the MAX803SQ293D3T1G available in?

    The MAX803SQ293D3T1G is available in the SC-70 (SOT-323) package.

  8. How does the MAX803SQ293D3T1G handle transient glitches on the power supply line?

    The MAX803SQ293D3T1G is designed to reject fast transient glitches on the power supply line, improving its reliability in noisy environments.

  9. What are some typical applications of the MAX803SQ293D3T1G?

    Typical applications include computers, embedded systems, battery-powered equipment, and critical microprocessor power supply monitoring.

  10. Can the reset threshold voltage be customized for the MAX803SQ293D3T1G?

    Contact your onsemi sales representative for other threshold voltage options.

Product Attributes

Type:Simple Reset/Power-On Reset
Number of Voltages Monitored:1
Voltage - Threshold:2.93V
Output:Open Drain or Open Collector
Reset:Active Low
Reset Timeout:100ms Minimum
Operating Temperature:-40°C ~ 105°C (TJ)
Mounting Type:Surface Mount
Package / Case:SC-70, SOT-323
Supplier Device Package:SC-70-3 (SOT323)
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Similar Products

Part Number MAX803SQ293D3T1G MAX803SQ293D1T1G MAX803SQ293D2T1G
Manufacturer onsemi onsemi onsemi
Product Status Active Active Active
Type Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset
Number of Voltages Monitored 1 1 1
Voltage - Threshold 2.93V 2.93V 2.93V
Output Open Drain or Open Collector Open Drain or Open Collector Open Drain or Open Collector
Reset Active Low Active Low Active Low
Reset Timeout 100ms Minimum 1ms Minimum 20ms Minimum
Operating Temperature -40°C ~ 105°C (TJ) -40°C ~ 105°C (TJ) -40°C ~ 105°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case SC-70, SOT-323 SC-70, SOT-323 SC-70, SOT-323
Supplier Device Package SC-70-3 (SOT323) SC-70-3 (SOT323) SC-70-3 (SOT323)

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