Datasheets
MAX821TUS-T by:

Power Supply Support Circuit, Fixed, 1 Channel, +3.08VV, CMOS, PDSO4, TO-253, SOT-143, 4 PIN

Part Details for MAX821TUS-T by Maxim Integrated Products

Results Overview of MAX821TUS-T by Maxim Integrated Products

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Applications Consumer Electronics Energy and Power Systems Renewable Energy

MAX821TUS-T Information

MAX821TUS-T by Maxim Integrated Products is a Power Management Circuit.
Power Management Circuits are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Price & Stock for MAX821TUS-T

Part # Distributor Description Stock Price Buy
Vyrian Other Function Semiconductors 2248
RFQ

Part Details for MAX821TUS-T

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MAX821TUS-T Part Data Attributes

MAX821TUS-T Maxim Integrated Products
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MAX821TUS-T Maxim Integrated Products Power Supply Support Circuit, Fixed, 1 Channel, +3.08VV, CMOS, PDSO4, TO-253, SOT-143, 4 PIN
Pbfree Code No
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer MAXIM INTEGRATED PRODUCTS INC
Part Package Code SOT-143
Package Description TO-253, SOT-143, 4 PIN
Pin Count 4
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 4 Weeks
Adjustable Threshold NO
Analog IC - Other Type VOLTAGE SUPERVISOR/RESET IC
JESD-30 Code R-PDSO-G4
JESD-609 Code e0
Length 2.92 mm
Moisture Sensitivity Level 1
Number of Channels 1
Number of Functions 1
Number of Terminals 4
Operating Temperature-Max 125 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY
Package Code LSOP
Package Equivalence Code TO-253LOW
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, LOW PROFILE
Peak Reflow Temperature (Cel) 240
Qualification Status Not Qualified
Seated Height-Max 1.22 mm
Supply Current-Max (Isup) 0.009 mA
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 1.2 V
Surface Mount YES
Technology CMOS
Temperature Grade AUTOMOTIVE
Terminal Finish TIN LEAD
Terminal Form GULL WING
Terminal Pitch 1.92 mm
Terminal Position DUAL
Threshold Voltage-Nom +3.08V
Time@Peak Reflow Temperature-Max (s) 20
Width 1.3 mm

Alternate Parts for MAX821TUS-T

This table gives cross-reference parts and alternative options found for MAX821TUS-T. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of MAX821TUS-T, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
MAX821TUS+ Analog Devices Inc Check for Price 4-Pin, µP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay, 4-SOT_23-N/A, 4 Pins, -40 to 125C MAX821TUS-T vs MAX821TUS+
MAX821TUS Maxim Integrated Products Check for Price Power Supply Support Circuit, Fixed, 1 Channel, +3.08VV, CMOS, PDSO4, TO-253, SOT-143, 4 PIN MAX821TUS-T vs MAX821TUS
MAX821TUS/GG8 Analog Devices Inc Check for Price 4-Pin, µP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay, N/A, 4 Pins, -40 to 125C MAX821TUS-T vs MAX821TUS/GG8
MAX821TUS+T Maxim Integrated Products Check for Price Power Supply Support Circuit, Fixed, 1 Channel, +3.08VV, CMOS, PDSO4, LEAD FREE, TO-253, SOT-143, 4 PIN MAX821TUS-T vs MAX821TUS+T
Part Number Manufacturer Composite Price Description Compare
MAX821TUS+T Analog Devices Inc $3.5659 4-Pin, µP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay, 4-SOT_23-N/A, 4 Pins, -40 to 125C MAX821TUS-T vs MAX821TUS+T
MAX821PUS+ Maxim Integrated Products Check for Price Power Supply Support Circuit, Fixed, 1 Channel, PDSO4, LEAD FREE, TO-253, SOT-143, 4 PIN MAX821TUS-T vs MAX821PUS+
MAX821RUS+ Analog Devices Inc Check for Price 4-Pin, µP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay, 4-SOT_23-N/A, 4 Pins, -40 to 125C MAX821TUS-T vs MAX821RUS+
MAX821SUS+T Analog Devices Inc Check for Price 4-Pin, µP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay, 4-SOT_23-N/A, 4 Pins, -40 to 125C MAX821TUS-T vs MAX821SUS+T
MAX821SUS+ Analog Devices Inc Check for Price 4-Pin, µP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay, 4-SOT_23-N/A, 4 Pins, -40 to 125C MAX821TUS-T vs MAX821SUS+
MAX821RUS-T Maxim Integrated Products Check for Price Power Supply Support Circuit, Fixed, 1 Channel, +2.63VV, CMOS, PDSO4, TO-253, SOT-143, 4 PIN MAX821TUS-T vs MAX821RUS-T
MAX821PUS+ Analog Devices Inc Check for Price 4-Pin, µP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay, 4-SOT_23-N/A, 4 Pins, -40 to 125C MAX821TUS-T vs MAX821PUS+
MAX821MUS Maxim Integrated Products Check for Price Power Supply Support Circuit, Fixed, 1 Channel, +4.38VV, CMOS, PDSO4, TO-253, SOT-143, 4 PIN MAX821TUS-T vs MAX821MUS
MAX821UUS-T Maxim Integrated Products Check for Price Power Supply Support Circuit, Fixed, 1 Channel, +2.78VV, CMOS, PDSO4, TO-253, SOT-143, 4 PIN MAX821TUS-T vs MAX821UUS-T
MAX821UUS+T Maxim Integrated Products Check for Price Power Supply Support Circuit, Fixed, 1 Channel, +2.78VV, CMOS, PDSO4, LEAD FREE, TO-253, SOT-143, 4 PIN MAX821TUS-T vs MAX821UUS+T

MAX821TUS-T Related Parts

MAX821TUS-T Frequently Asked Questions (FAQ)

  • The MAX821TUS-T is a sensitive device and requires careful layout and placement to ensure optimal performance. It is recommended to place the device close to the power source, use a solid ground plane, and keep the input and output traces short and separate to minimize noise and coupling. Additionally, it is recommended to use a 0.1uF bypass capacitor between the VCC and GND pins to filter out high-frequency noise.

  • The MAX821TUS-T has an undervoltage lockout (UVLO) feature that disables the device when the input voltage falls below a certain threshold (typically around 2.5V). To handle this feature, ensure that the input voltage is above the UVLO threshold during power-up, and use a voltage supervisor or a power-on reset circuit to reset the device when the input voltage falls below the UVLO threshold.

  • The MAX821TUS-T can handle input voltages up to 12V, but it is recommended to operate the device within the specified operating range of 2.7V to 5.5V to ensure optimal performance and reliability.

  • To prevent ESD damage, handle the MAX821TUS-T with care, use an ESD wrist strap or mat, and ensure that the device is properly grounded during handling and assembly. Additionally, use ESD protection devices such as TVS diodes or ESD protection arrays on the input and output lines to protect the device from ESD events.

  • The typical response time of the MAX821TUS-T to an input voltage change is around 10us to 20us, depending on the input voltage change rate and the output load. However, this response time can be affected by the output capacitance, load current, and other factors, so it is recommended to consult the datasheet and application notes for more detailed information.

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