The R1190H050D-T1-F is a voltage regulator IC manufactured by Ricoh. It is designed to provide a stable and regulated output voltage of 0.5V with high accuracy. This regulator is typically used in portable devices and other applications where efficiency and small size are crucial.

Applications

• Smartphones
• Tablets
• Wearable devices
• Portable audio players
• Power management in microcontrollers
• Camera Modules

Features

• Output Voltage: 0.5V fixed
• High Accuracy: ±1.0%
• Low Dropout Voltage: Typically 100mV at 100mA
• Low Quiescent Current: Typically 2µA
• Overcurrent Protection
• Thermal Shutdown Protection
• Small Package: DFN(PLP)4-0.8x0.8-0.4
• RoHS Compliant

Benefits

• Stable Voltage Supply: Provides a consistent and reliable 0.5V output, ensuring proper operation of downstream components.
• High Efficiency: Low dropout voltage and quiescent current minimize power losses, extending battery life in portable devices.
• Protection: Overcurrent and thermal shutdown features protect the regulator and connected circuits from damage.
• Compact Size: The small package allows for integration into space-constrained applications.
• Environmentally Friendly: RoHS compliance ensures that the device is free from hazardous substances.

Additional Details

The R1190H050D-T1-F is an LDO (Low Dropout) regulator, meaning it can maintain a regulated output voltage even when the input voltage is only slightly higher than the desired output. This is particularly important in battery-powered devices, where the battery voltage gradually decreases as it discharges. The low quiescent current is another key feature, as it minimizes the current drawn by the regulator itself when it is not actively supplying current to the load, further contributing to energy efficiency.

The overcurrent protection feature limits the output current in the event of a short circuit or overload condition, preventing damage to the regulator and the connected circuitry. The thermal shutdown protection turns off the regulator if its temperature exceeds a safe limit, preventing overheating and potential failure. These protection features enhance the reliability and robustness of the R1190H050D-T1-F, making it a suitable choice for demanding applications.

The DFN(PLP)4-0.8x0.8-0.4 package is a small, leadless package that offers excellent thermal performance and is well-suited for automated assembly. The compact size and low profile of this package make it ideal for use in space-constrained applications, such as smartphones and wearable devices.