Introducing the LP3470IM5X-4.00 Voltage Supervisor from Texas Instruments

The LP3470IM5X-4.00 is a precision micro-power voltage supervisor designed and manufactured by the renowned Texas Instruments. This compact device plays a critical role in system reliability by monitoring the power supply voltage of digital systems. It ensures that the system microprocessor, FPGA, or other digital ICs operate within their specified voltage range, thus protecting them from unpredictable behavior caused by power surges, brownouts, or other voltage-related anomalies.

This voltage supervisor is tailored for applications that demand a high level of precision and low power consumption. It features a fixed-sense threshold voltage of 4.00V, which makes it ideal for systems operating at standard supply voltages. The LP3470IM5X-4.00 is designed to maintain system integrity by providing a reset signal to the host processor when the monitored supply voltage drops below the threshold, ensuring the system restarts correctly once normal voltage levels are restored.

The device comes in a compact SOT-23 package, making it suitable for space-constrained applications. Its small footprint does not compromise its performance, as it boasts a low typical quiescent current of only 9µA, which is beneficial for battery-powered and portable devices where power efficiency is paramount.

Key features of the LP3470IM5X-4.00 include:

• 4.00V fixed voltage threshold
• Low quiescent current of 9µA (typical)
• Guaranteed RESET output down to Vcc = 1.2V
• 200ms (typical) reset timeout period
• Temperature range from -40°C to +85°C
• Available in a small 5-pin SOT-23 package

This voltage supervisor is suitable for a wide range of applications, such as:

• Portable and battery-powered equipment
• Microprocessor/microcontroller systems
• Industrial controls
• Embedded systems
• Intelligent instruments

With the LP3470IM5X-4.00, Texas Instruments continues to demonstrate its commitment to providing high-quality, reliable components for the electronics industry. This voltage supervisor is an excellent choice for designers who require a robust power management solution in a compact package.