MAX809SEUR
An electronic component known as MAX809SEUR+MAX809SEUR
An electronic component known as MAX809SEUR+
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Manufacturer Part # : MAX809SEUR
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Package/Case: SOT23-3
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Brand: Analog Devices
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Product Categories : Supervisors
Quality Assurance
Quality Assurance
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Certification
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Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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MAX809SEUR DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
General DescriptionThe MAX803/MAX809/MAX810 are microprocessor (µP) supervisory circuits used to monitor the power supplies in µP and digital systems. They provide excellent circuit reliability and low cost by eliminating external components and adjustments when used with +5V, +3.3V, +3.0V, or +2.5V powered circuits.Features♦ Precision Monitoring of +2.5V, +3V, +3.3V, and +5V Power-Supply Voltages♦ Fully Specified Over Temperature♦ Available in Three Output Configurations Open-Drain RESET Output (MAX803) Push-Pull RESET Output (MAX809) Push-Pull RESET Output (MAX810)♦ 140ms min Power-On Reset Pulse Width♦ 12µA Supply Current♦ Guaranteed Reset Valid to VCC = +1V♦ Power Supply Transient Immunity♦ No External Components♦ 3-Pin SC70 and SOT23 PackagesApplications Computers Controllers Intelligent Instruments Critical µP and µC Power Monitoring Portable/Battery-Powered Equipment Automotive
Key Features
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Application
- Mobile Phones
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- Smart Watches
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Category ! | Supervisory Circuits | Type | Voltage Supervisory |
Mounting Style | SMD/SMT | Package / Case | SOT-23-3 |
Threshold Voltage | 2.5 V, 3 V, 3.3 V, 5 V | Number of Inputs Monitored | 1 Input |
Output Type | Active Low, Push-Pull | Manual Reset | No Manual Reset |
Watchdog Timers | No Watchdog | Battery Backup Switching | No Backup |
Reset Delay Time | 240 ms | Supply Voltage - Max | 5.5 V |
Minimum Operating Temperature | - 40 C | Maximum Operating Temperature ! | + 105 C |
Series | MAX809S | Brand | Analog Devices / Maxim Integrated |
Chip Enable Signals | No Chip Enable | Height | 0.94 mm |
Length | 2.92 mm | Operating Supply Current | 17 uA |
Overvoltage Threshold ! | 2.96 V | Pd - Power Dissipation | 320 mW |
Power Fail Detection | No | Product Type ! | Supervisory Circuits |
Subcategory | PMIC - Power Management ICs | Supply Voltage - Min | 1.2 V |
Undervoltage Threshold ! | 2.89 V | Width | 1.3 mm |
Part # Aliases | MAX809S | Unit Weight | 0.050717 oz |
Specification Comparison
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is MAX809SEUR?
The MAX809SEUR is a microprocessor supervisory circuit from Maxim Integrated. It is designed to monitor the power supply voltage of microcontrollers and provide a reset signal to ensure proper system initialization and operation.
How Does MAX809SEUR Work?
The MAX809SEUR works by continuously monitoring the power supply voltage. When the voltage drops below a predefined threshold, the circuit triggers a reset signal to the microcontroller, ensuring it starts up correctly. This helps prevent the microcontroller from operating erratically due to insufficient voltage.
How Many Pins does MAX809SEUR have and What are the Functions of the Pinout Configuration?
The MAX809SEUR typically comes in an SOT-23 package with 3 pins. The pinout configuration includes:
- VCC: Power supply pin where the monitored voltage is applied.
- RESET: Output pin that provides the reset signal to the microcontroller.
- GND: Ground pin for the circuit.
What are the Pros and Cons of MAX809SEUR?
Pros:
- Reset Functionality: Ensures reliable startup and operation of microcontrollers.
- Simple Integration: Easy to use and implement in various designs.
- Low Power Consumption: Consumes minimal power, suitable for battery-operated devices.
- Small Package: Compact SOT-23 package saves board space.
- Wide Operating Voltage Range: Supports a broad range of supply voltages.
Cons:
- External Components: May require additional decoupling capacitors for stability in some applications.
- Threshold Setting: The reset threshold is fixed and may not be adjustable in some variants.
Are There Any Equivalents/Alternatives to MAX809SEUR for Recommendation?
- The MAX809S from Maxim Integrated is a similar microprocessor supervisory circuit.
- Alternatives to the MAX809SEUR include the MCP809T from Microchip Technology and the TC54 from Microchip Technology.
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