The Ricoh R3111D431C-TR is a high-precision voltage detector IC designed for various electronic applications. As part of the R3111 series, it is known for its low current consumption and accurate voltage detection, making it ideal for battery-powered devices and systems requiring reliable voltage monitoring. The "-TR" suffix indicates that it is provided in tape and reel packaging for automated assembly processes.

Applications

• Microcontroller reset circuits: Ensures microcontrollers start correctly by resetting them during power-up or brownout conditions.
• Battery-powered devices: Extends battery life by monitoring voltage and initiating shutdown if voltage drops too low.
• Power management systems: Enhances efficiency in power management circuits through accurate voltage detection.
• Portable consumer electronics: Used in smartphones, tablets, and wearables to protect batteries and manage power.
• Industrial control equipment: Provides reliable voltage monitoring for critical industrial systems.

Features

• Low current consumption: Minimizes power drain, essential for prolonging battery life.
• High-accuracy detection voltage: Provides precise voltage monitoring for reliable system protection.
• Built-in hysteresis: Prevents unstable switching by introducing a difference between the rising and falling threshold voltages.
• Small package size: Enables compact circuit designs in space-limited applications.
• Tape and reel packaging (-TR): Facilitates automated assembly, reducing manufacturing costs and time.

Benefits

• Improved system stability: Prevents malfunctions caused by voltage fluctuations or drops.
• Extended battery life: Low power consumption and accurate voltage detection contribute to longer battery operation.
• Simplified design: Integrated features reduce the need for external components and complex circuitry.
• Cost-effective solution: Offers a balance of performance and price, making it suitable for various applications.
• Automated assembly: Tape and reel packaging allows for efficient manufacturing processes.

Additional Details

The R3111D431C-TR boasts a detection voltage of 4.3V. It comes in a SOT-23-5 package. Designed with CMOS technology, it features a wide operating temperature range, typically from -40°C to +85°C. The built-in hysteresis ensures stable and reliable operation even in noisy environments. The tape and reel packaging makes it ideal for high-volume manufacturing.