Analog Devices Inc.

LTC2911CDDB-4

LTC2911CDDB-4 Description

The LTC2911CDDB-4 is a 3-channel supervisor IC designed by Analog Devices Inc., a leading manufacturer in the power management (PMIC) sector. This device is housed in an 8-lead DFN package and offers comprehensive voltage monitoring and reset functionality. Despite being marked as obsolete, the LTC2911CDDB-4 remains a robust solution for applications requiring reliable power management.

LTC2911CDDB-4 Features

• Operating Temperature: The LTC2911CDDB-4 operates within a temperature range of 0°C to 70°C (TA), making it suitable for a variety of industrial and commercial environments.
• Reset Timeout: The reset timeout is adjustable/selectable, providing flexibility in system design and ensuring reliable operation across different applications.
• Voltage Monitoring: The device monitors three voltage levels with thresholds of 1.122V, 3.086V, and an adjustable setting. This feature allows for precise control and monitoring of power supply voltages.
• Reset Functionality: The reset function is active low, which is a common requirement in many digital systems, ensuring compatibility with a wide range of microcontrollers and processors.
• Mounting Type: The surface mount package type facilitates easy integration into compact and high-density PCB designs.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (unlimited), the LTC2911CDDB-4 is suitable for use in environments with varying humidity levels without the need for special handling or storage conditions.

LTC2911CDDB-4 Applications

The LTC2911CDDB-4 is ideal for applications where reliable power monitoring and reset functions are critical. Its ability to monitor three different voltage levels makes it particularly useful in systems with multiple power supplies, such as:

• Embedded Systems: In embedded systems where multiple power rails need to be monitored and controlled, the LTC2911CDDB-4 ensures that all power sources are within specified limits, preventing system failures and ensuring reliable operation.
• Industrial Control: In industrial settings, the device can be used to monitor power supplies for critical components, ensuring that equipment operates within safe voltage ranges and providing timely resets in case of power anomalies.
• Telecommunications: For telecom equipment, the LTC2911CDDB-4 can monitor power supplies for various modules, ensuring stable operation and preventing downtime due to power-related issues.

Conclusion of LTC2911CDDB-4

The LTC2911CDDB-4, despite being marked as obsolete, remains a valuable component for power management applications. Its ability to monitor three voltage levels, adjustable reset timeout, and compatibility with surface mount technology make it a versatile and reliable choice. While newer alternatives may be available, the LTC2911CDDB-4 continues to offer a cost-effective and reliable solution for applications requiring precise power monitoring and control.