仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | Simple Reset/Power-On Reset |
| NumberofVoltagesMonitored | 1 |
| Voltage-Threshold | 2.63V |
| Output | Open Drain or Open Collector |
| Reset | Active Low |
| ResetTimeout | 140ms Minimum |
| OperatingTemperature | -40°C ~ 105°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SC-70, SOT-323 |
概要
Description
The MAX803SQ263T1G is a microprocessor supervisory circuit designed to monitor the power supply voltage in microprocessor systems. It ensures the microprocessor operates under safe conditions by providing a reset signal during a power failure or voltage drop. This component is part of the MAX803 series and is housed in a compact SOT-23 package, making it ideal for space-constrained applications.
Key features include a precision voltage monitor with a threshold typically set at 2.63V, ensuring the system remains within safe voltage levels. The MAX803SQ263T1G includes a manual reset input, allowing external control over the reset function. The device also features low supply current, which is essential for battery-powered applications.
The MAX803SQ263T1G is commonly used in a variety of applications, including embedded systems, portable electronics, and consumer devices, where reliable power monitoring and microprocessor reset are critical. Its efficient design helps protect microprocessors from operating under improper voltage conditions, thereby enhancing system reliability and performance.
Key features include a precision voltage monitor with a threshold typically set at 2.63V, ensuring the system remains within safe voltage levels. The MAX803SQ263T1G includes a manual reset input, allowing external control over the reset function. The device also features low supply current, which is essential for battery-powered applications.
The MAX803SQ263T1G is commonly used in a variety of applications, including embedded systems, portable electronics, and consumer devices, where reliable power monitoring and microprocessor reset are critical. Its efficient design helps protect microprocessors from operating under improper voltage conditions, thereby enhancing system reliability and performance.
Equivalent
The MAX803SQ263T1G is a microprocessor supervisory circuit. Equivalent products include:
1. Microchip MCP130T-460I/TT
2. Texas Instruments TPS3808G33DBVR
3. Analog Devices ADM803SAKSZ-REEL7
4. STMicroelectronics STM809S
5. ON Semiconductor CAT803TTBI-GT3
These alternatives offer similar functionalities, such as voltage monitoring and reset capabilities, suitable for various microcontroller and microprocessor applications.
1. Microchip MCP130T-460I/TT
2. Texas Instruments TPS3808G33DBVR
3. Analog Devices ADM803SAKSZ-REEL7
4. STMicroelectronics STM809S
5. ON Semiconductor CAT803TTBI-GT3
These alternatives offer similar functionalities, such as voltage monitoring and reset capabilities, suitable for various microcontroller and microprocessor applications.
Features
The MAX803SQ263T1G is a microprocessor supervisory circuit designed to monitor the power supply voltage in microprocessor systems. Key features include:
1. Low Supply Current: It consumes a minimal amount of current to operate efficiently.
2. Precision Monitoring: Offers precision monitoring with a reset threshold that ensures accurate system resets when the supply voltage drops below a certain level.
3. Reset Output: Provides an active-high reset output, ensuring the microprocessor resets during power-up, power-down, or voltage drops below the threshold.
4. Manual Reset Input: Includes a manual reset input for user-initiated resets.
5. Wide Operating Voltage Range: Capable of working across a broad range of supply voltages.
6. Small Package Size: Housed in a compact SOT-23 package, making it suitable for space-constrained applications.
These features make the MAX803SQ263T1G ideal for ensuring reliable operation and protection of microprocessor systems by preventing erroneous operations during power fluctuations.
1. Low Supply Current: It consumes a minimal amount of current to operate efficiently.
2. Precision Monitoring: Offers precision monitoring with a reset threshold that ensures accurate system resets when the supply voltage drops below a certain level.
3. Reset Output: Provides an active-high reset output, ensuring the microprocessor resets during power-up, power-down, or voltage drops below the threshold.
4. Manual Reset Input: Includes a manual reset input for user-initiated resets.
5. Wide Operating Voltage Range: Capable of working across a broad range of supply voltages.
6. Small Package Size: Housed in a compact SOT-23 package, making it suitable for space-constrained applications.
These features make the MAX803SQ263T1G ideal for ensuring reliable operation and protection of microprocessor systems by preventing erroneous operations during power fluctuations.
Pinout
The MAX803SQ263T1G is a voltage monitoring IC primarily used for microprocessor supervisory applications. It is part of a series of microprocessor reset circuits. This specific model typically comes in a SOT-23-3 package, meaning it has three pins.
Pin Count and Functions:
1. VCC (Pin 1): This is the power supply pin. The IC monitors the voltage at this pin. When the voltage drops below a specified threshold, it triggers a reset.
2. GND (Pin 2): This is the ground pin. It provides the reference point for the IC and is common to the system's ground.
3. RESET (Pin 3): The reset output pin is an active-low signal. It provides a reset signal to the microprocessor when the monitored voltage falls below the threshold. The reset output remains low for a fixed time period after the voltage level returns to normal.
These functions help ensure the microprocessor operates correctly by preventing malfunction during power supply fluctuations.
Pin Count and Functions:
1. VCC (Pin 1): This is the power supply pin. The IC monitors the voltage at this pin. When the voltage drops below a specified threshold, it triggers a reset.
2. GND (Pin 2): This is the ground pin. It provides the reference point for the IC and is common to the system's ground.
3. RESET (Pin 3): The reset output pin is an active-low signal. It provides a reset signal to the microprocessor when the monitored voltage falls below the threshold. The reset output remains low for a fixed time period after the voltage level returns to normal.
These functions help ensure the microprocessor operates correctly by preventing malfunction during power supply fluctuations.
Manufacturer
The MAX803SQ263T1G is manufactured by ON Semiconductor, now called onsemi. Onsemi is a leading semiconductor company that designs and produces a wide range of semiconductor components used in various electronic devices. The company focuses on power and signal management, logic, discrete, and custom devices for industries such as automotive, communications, computing, consumer electronics, industrial, medical, and aerospace/defense. Onsemi is known for its innovations in energy-efficient products and sustainable technology solutions, helping to drive advancements in smart devices, autonomous vehicles, renewable energy, and other cutting-edge applications.
Application
The MAX803SQ263T1G is a microprocessor supervisory circuit designed to monitor power supplies and provide a reset signal to a microprocessor during power-up, power-down, and brownout conditions. Its application areas include embedded systems, consumer electronics, industrial control systems, and any application where microprocessor reliability is critical. It ensures the microprocessor operates correctly by preventing erroneous operations during power instability. The device is suitable for use in systems requiring low power consumption, as it typically features low supply current requirements. Additionally, its small footprint makes it ideal for compact electronic devices.
Package
The MAX803SQ263T1G is typically available in a SOT-23 package, which is a small-outline transistor package used for surface-mount applications.
