사양
| 속성 | 가치 |
| Brand | Analog Devices / Maxim Integrated |
| Product Type | Supervisory Circuits |
| Series | MAX811 |
| Subcategory | PMIC - Power Management ICs |
| Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature | + 85 C |
| Type | Voltage Supervisory |
| Mounting Type | SMD/SMT |
| Number of Inputs Monitored | 1 Input |
| Output Type | Active Low, Push-Pull |
| Manual Reset | Manual Reset |
| Watchdog Timers | No Watchdog |
| Current - Supply | 6 uA |
| Overvoltage Threshold | 4.72 V |
| Supply Voltage - Min | 1.2 V |
| Undervoltage Threshold | 4.54 V |
| Part # Aliases | MAX811 |
| Height | 0.94 mm |
| Length | 2.92 mm |
| Width | 1.3 mm |
| Threshold Voltage | 3 V, 3.3 V, 5 V |
| Battery Backup Switching | No Backup |
| Reset Delay Time | 560 ms |
| Chip Enable Signals | No Chip Enable |
| Pd - Power Dissipation | 320 mW |
| Power Fail Detection | No |
| Packaging | Cut Tape |
| Factory Pack Quantity | 2500 |
| Package / Case | SOT-143-4 |
| Delivery Restrictions | Mouser does not presently sell this product in your region. |
개요
Description
The MAX811LEUS+ is a voltage monitor and supervisor designed for microprocessor applications, ensuring system reliability by providing over-voltage and under-voltage detection. It operates with a supply voltage range of 1.8V to 5.5V, making it suitable for various low-voltage digital systems.
Key features include a precise voltage threshold, which can be set externally using resistors, and a fast response time to voltage changes, enhancing system stability. The device also incorporates a manual reset function and a watchdog timer, ensuring that the system can recover from faults or hang-ups.
The MAX811LEUS+ is available in a compact SOT23 package, which is ideal for space-constrained applications. It consumes low quiescent current, making it energy-efficient, and is compatible with a wide range of microcontrollers and processors.
Overall, the MAX811LEUS+ is a reliable solution for monitoring power supply conditions, providing essential supervision functions that help maintain system integrity.
Key features include a precise voltage threshold, which can be set externally using resistors, and a fast response time to voltage changes, enhancing system stability. The device also incorporates a manual reset function and a watchdog timer, ensuring that the system can recover from faults or hang-ups.
The MAX811LEUS+ is available in a compact SOT23 package, which is ideal for space-constrained applications. It consumes low quiescent current, making it energy-efficient, and is compatible with a wide range of microcontrollers and processors.
Overall, the MAX811LEUS+ is a reliable solution for monitoring power supply conditions, providing essential supervision functions that help maintain system integrity.
Equivalent
The MAX811LEUS+ is a voltage supervisor chip. Equivalent products include the MAX811, MAX812, and the TPS3808 series from Texas Instruments. Additionally, look at the MCP100 series from Microchip and the ADM1817 from Analog Devices for similar functionality. Always check specific voltage thresholds and package types for compatibility.
Features
The MAX811LEUS+ is a precision voltage supervisor designed for monitoring power supply voltages. Key features include:
1. Reset Thresholds: Offers a selection of reset thresholds (typically 2.63V, 2.93V) to accommodate various applications.
2. Active-Low Reset Output: Provides an active-low reset output that goes low when the voltage drops below the threshold and remains low until the voltage rises above the threshold.
3. Low Power Consumption: Features ultra-low quiescent current (typically 1.5 µA), making it suitable for battery-operated devices.
4. Operating Voltage Range: Supports a wide input voltage range from 1.0V to 5.5V, allowing flexible use in different systems.
5. Fast Response Time: Quick reset response to voltage variations ensures reliable operation.
6. Temperature Range: Operates across an extended temperature range of -40°C to +125°C, suitable for industrial applications.
7. Small Package Size: Available in a compact SOT23-5 package, optimizing space on PCBs.
These features make the MAX811LEUS+ ideal for microcontroller and processor applications, ensuring reliable operation under varying voltage conditions.
1. Reset Thresholds: Offers a selection of reset thresholds (typically 2.63V, 2.93V) to accommodate various applications.
2. Active-Low Reset Output: Provides an active-low reset output that goes low when the voltage drops below the threshold and remains low until the voltage rises above the threshold.
3. Low Power Consumption: Features ultra-low quiescent current (typically 1.5 µA), making it suitable for battery-operated devices.
4. Operating Voltage Range: Supports a wide input voltage range from 1.0V to 5.5V, allowing flexible use in different systems.
5. Fast Response Time: Quick reset response to voltage variations ensures reliable operation.
6. Temperature Range: Operates across an extended temperature range of -40°C to +125°C, suitable for industrial applications.
7. Small Package Size: Available in a compact SOT23-5 package, optimizing space on PCBs.
These features make the MAX811LEUS+ ideal for microcontroller and processor applications, ensuring reliable operation under varying voltage conditions.
Pinout
The MAX811LEUS+ is a microprocessor supervisory circuit with a total of 8 pins. Its primary functions include voltage monitoring and reset generation. Specifically, it provides a reset output for microcontrollers when supply voltage falls below a preset threshold, ensuring system stability during power fluctuations. The device features an active-low reset output, a manual reset input, and can be configured for various reset timeout periods. Additionally, it offers a watchdog timer function to monitor system operation. The pin configuration includes power supply (VCC), ground (GND), the reset output (RST), manual reset input (MR), and select pins for various adjustable features.
Manufacturer
The MAX811LEUS+ is manufactured by Maxim Integrated, which is a company known for designing and manufacturing analog and mixed-signal integrated circuits (ICs). Maxim Integrated specializes in a wide range of semiconductor products that serve various applications, including power management, signal conditioning, and interface solutions. The company primarily focuses on providing innovative solutions for industries such as automotive, telecommunications, medical, and industrial equipment. In 2021, Maxim Integrated was acquired by Analog Devices, Inc. (ADI), further enhancing ADI's portfolio in the analog and mixed-signal IC market.
Application
The MAX811LEUS+ is a voltage supervisor integrated circuit primarily used for monitoring power supply voltages in various applications. Its key application areas include:
1. Microprocessor Reset Circuits: Ensures microcontrollers and CPUs reset properly during power-up or brownout conditions.
2. Battery Management Systems: Protects battery-operated devices by monitoring and maintaining voltage levels.
3. Consumer Electronics: Used in devices such as smartphones, tablets, and appliances to enhance reliability.
4. Industrial Equipment: Monitors critical voltages in machinery to prevent malfunctions.
5. Automotive Systems: Provides voltage supervision for automotive electronics.
Overall, it enhances system reliability and protects sensitive components.
1. Microprocessor Reset Circuits: Ensures microcontrollers and CPUs reset properly during power-up or brownout conditions.
2. Battery Management Systems: Protects battery-operated devices by monitoring and maintaining voltage levels.
3. Consumer Electronics: Used in devices such as smartphones, tablets, and appliances to enhance reliability.
4. Industrial Equipment: Monitors critical voltages in machinery to prevent malfunctions.
5. Automotive Systems: Provides voltage supervision for automotive electronics.
Overall, it enhances system reliability and protects sensitive components.
Package
The MAX811LEUS+ is packaged in a 5-pin SOT-23 (small outline transistor) type package.