The TCR2EN12 is a low-dropout (LDO) regulator manufactured by Toshiba Semiconductor and Storage. This regulator is designed to provide a stable and accurate 1.2V output voltage from a higher input voltage, with minimal voltage drop even under varying load conditions. It is ideal for battery-powered devices and other applications where efficiency and low noise are critical.

Applications

• Battery-Powered Devices: Powering microcontrollers and other components in portable devices like smartphones and tablets.
• Wireless Communication Devices: Providing stable voltage for RF transceivers and other wireless modules.
• Wearable Electronics: Supplying power to sensors and processors in smartwatches and fitness trackers.
• Microcontroller Power Supplies: Providing a clean and stable power source for sensitive microcontrollers.
• Sensor Power Supplies: Ensuring accurate and reliable operation of sensors by providing a stable 1.2V supply.

Features

• Fixed Output Voltage: Provides a stable and accurate 1.2V output voltage.
• Low Dropout Voltage: Maintains a stable output voltage even with a small difference between input and output voltage.
• Low Quiescent Current: Minimizes power consumption in standby mode, extending battery life.
• Overcurrent Protection: Protects the regulator and the load from damage due to excessive current.
• Thermal Shutdown: Prevents overheating and damage to the regulator.
• Small Package: Available in compact packages, saving board space (e.g., DFN4).

Benefits

• Extended Battery Life: Low quiescent current and high efficiency maximize battery runtime.
• Reliable Performance: Overcurrent protection and thermal shutdown ensure robust operation.
• Compact Design: Small package allows for integration in space-constrained applications.
• Precise Voltage Regulation: Accurate 1.2V output voltage ensures stable operation of connected devices.
• Reduced Noise: Low noise characteristics are ideal for sensitive analog circuits.

Technical Specifications: The TCR2EN12 typically has an output voltage accuracy of ±1%. The dropout voltage is typically around 115mV at a load current of 200mA. The quiescent current is usually in the range of a few microamperes. The regulator is available in packages such as DFN4. The operating temperature range is typically -40°C to +85°C. The device incorporates built-in short-circuit protection and thermal shutdown circuitry to protect it from damage under fault conditions. The input voltage range is typically from 1.6V to 5.5V, and the output voltage is fixed at 1.2V. It is well suited to supply power to low-voltage logic and memory components.