MAX809LTR
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onsemi MAX809LTR

Manufacturer No:
MAX809LTR
Manufacturer:
onsemi
Package:
Tape & Reel (TR)
Description:
IC SUPERVISOR 1 CHANNEL SOT23-3
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The MAX809LTR, produced by onsemi, is a cost-effective system supervisor circuit designed to monitor the supply voltage (VCC) in digital systems and provide a reset signal to the host processor when necessary. This device is part of the MAX809 series, which includes the MAX809 and MAX810 models. The MAX809LTR is optimized for low supply current and is suitable for battery-powered applications due to its low power consumption of 0.5 µA at VCC = 3.3 V. It is available in SOT-23 and SC-70 packages, making it compact and versatile for various applications.

Key Specifications

Characteristic Symbol Min Typ Max Unit
Supply Voltage (VCC) VCC 1.0 - 5.5 V
Supply Current (VCC = 3.3 V) ICC - 0.5 1.2 µA
Reset Threshold Voltage VTH 1.6 to 4.9 V (in 100 mV steps) - - V
VCC to Reset Delay - - 10 - µsec
Reset Active Timeout Period tRP 1 20 100, 140 ms
Operating Temperature TA -40 - 105 °C
Package Type - - SOT-23, SC-70 - -

Key Features

  • Precision VCC monitoring for supplies from 1.5 V to 5.0 V, with options available in 100 mV steps.
  • Low supply current of 0.5 µA (VCC = 3.3 V), making it suitable for battery-powered applications.
  • No external components required.
  • VCC transient immunity to reject fast transient glitches on the power supply line.
  • Four guaranteed minimum reset pulse widths: 1 ms, 20 ms, 100 ms, and 140 ms.
  • RESET output guaranteed to VCC = 1.0 V.
  • Wide operating temperature range: -40°C to 105°C.
  • Compatible with hot plug applications.

Applications

  • Computers and embedded systems.
  • Battery-powered equipment.
  • Critical microprocessor power supply monitoring.
  • Automotive electronics (body electronics, braking, infotainment, instrument cluster, navigation, occupant comfort, occupant protection, powertrain).
  • Precision VCC monitoring for various supply voltages.

Q & A

  1. What is the primary function of the MAX809LTR?

    The MAX809LTR is designed to monitor the supply voltage (VCC) in digital systems and provide a reset signal to the host processor when necessary.

  2. What are the available package types for the MAX809LTR?

    The MAX809LTR is available in SOT-23 and SC-70 packages).

  3. What is the typical supply current of the MAX809LTR at VCC = 3.3 V?

    The typical supply current is 0.5 µA at VCC = 3.3 V).

  4. What are the reset pulse width options for the MAX809LTR?

    The reset pulse width options are 1 ms, 20 ms, 100 ms, and 140 ms).

  5. Does the MAX809LTR require any external components?

    No, the MAX809LTR does not require any external components).

  6. What is the operating temperature range of the MAX809LTR?

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

  7. Is the MAX809LTR suitable for battery-powered applications?

    Yes, it is suitable due to its low supply current of 0.5 µA at VCC = 3.3 V).

  8. What types of applications can the MAX809LTR be used in?

    The MAX809LTR can be used in computers, embedded systems, battery-powered equipment, and various automotive electronics applications).

  9. How does the MAX809LTR handle transient glitches on the power supply line?

    The MAX809LTR is optimized to reject fast transient glitches on the VCC line).

  10. What is the reset output type for the MAX809LTR?

    The MAX809LTR has an active-low RESET output, while the MAX810 has an active-high RESET output).

Product Attributes

Type:Simple Reset/Power-On Reset
Number of Voltages Monitored:1
Voltage - Threshold:4.63V
Output:Push-Pull, Totem Pole
Reset:Active Low
Reset Timeout:140ms Minimum
Operating Temperature:-40°C ~ 105°C (TJ)
Mounting Type:Surface Mount
Package / Case:TO-236-3, SC-59, SOT-23-3
Supplier Device Package:SOT-23-3 (TO-236)
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Similar Products

Part Number MAX809LTR MAX809LTRG MAX809MTR MAX809RTR MAX809STR MAX809TTR MAX809HTR MAX809JTR
Manufacturer onsemi onsemi onsemi onsemi onsemi onsemi onsemi onsemi
Product Status Obsolete Active Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
Type Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset Simple Reset/Power-On Reset
Number of Voltages Monitored 1 1 1 1 1 1 1 1
Voltage - Threshold 4.63V 4.63V 4.38V 2.63V 2.93V 3.08V 4.55V 4V
Output Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole Push-Pull, Totem Pole
Reset Active Low Active Low Active Low Active Low Active Low Active Low Active Low Active Low
Reset Timeout 140ms Minimum 140ms Minimum 140ms Minimum 140ms Minimum 140ms Minimum 140ms Minimum 140ms Minimum 140ms Minimum
Operating Temperature -40°C ~ 105°C (TJ) -40°C ~ 105°C (TJ) -40°C ~ 105°C (TJ) -40°C ~ 105°C (TJ) -40°C ~ 105°C (TJ) -40°C ~ 105°C (TJ) -40°C ~ 105°C (TJ) -40°C ~ 105°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3 TO-236-3, SC-59, SOT-23-3
Supplier Device Package SOT-23-3 (TO-236) SOT-23-3 (TO-236) SOT-23-3 (TO-236) SOT-23-3 (TO-236) SOT-23-3 (TO-236) SOT-23-3 (TO-236) SOT-23-3 (TO-236) SOT-23-3 (TO-236)

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