The LTC2918CCDB is a precision voltage monitor from Linear Technology, designed for systems that require monitoring of multiple supply voltages. This high-performance integrated circuit (IC) can monitor up to four voltage inputs, making it an ideal solution for a variety of applications including computer systems, power supply systems, and industrial equipment where accurate voltage monitoring is critical for reliable operation.

Key Features

• Quad Input Voltage Monitoring: The LTC2918CCDB can monitor four different voltage inputs simultaneously, providing flexibility for systems with multiple power rails.
• Adjustable Thresholds: Each of the four inputs can have its threshold set independently via external resistive dividers, allowing for precise customization to specific system requirements.
• Wide Input Voltage Range: This device is capable of monitoring voltage levels from 0.4V to 5.5V, accommodating a broad range of power supply voltages.
• Low Quiescent Current: With a low operating current, the LTC2918CCDB is suitable for power-sensitive applications, helping to conserve energy and extend battery life in portable devices.
• Glitch Filter: Each input features a glitch filter to prevent false triggering from transient voltage spikes, ensuring stable and reliable operation.
• Output Status Indicators: The IC provides an open-drain output for each channel, which can be used to drive LEDs or interface with a microcontroller for status indication or system control.

Package and Temperature Range

The LTC2918CCDB is offered in a compact, 12-lead DFN package (3mm x 3mm), which is ideal for space-constrained applications. It operates over a temperature range of -40°C to +85°C, ensuring performance in harsh environments.

Applications

With its ability to monitor multiple voltages and its robust feature set, the LTC2918CCDB is well-suited for a variety of critical applications, including:

• Power Supply Monitoring
• Computer Systems
• Network Servers
• Telecom Equipment
• Industrial Control Systems

Whether you are designing a complex server system or a simple power supply, the LTC2918CCDB provides the accuracy, flexibility, and reliability needed to ensure your system operates within its intended voltage parameters.