The TCR5SB29A is a low-dropout (LDO) regulator manufactured by Toshiba Semiconductor and Storage. This LDO regulator is designed to provide a stable 2.9V output voltage, even when the input voltage is close to the output voltage. This is crucial for maintaining consistent performance in various electronic devices, especially those powered by batteries.

Applications

• Smartphones and Tablets: Powering core components that require stable 2.9V.
• Wireless Communication Devices: Supplying clean power to transceivers and RF modules.
• Portable Media Players: Regulating power for audio and video processing circuits.
• Digital Cameras: Ensuring a stable voltage supply for image sensors and processors.
• Wearable Devices: Providing reliable power for sensors and microcontrollers in smartwatches and fitness trackers.
• IoT Devices: Powering sensors, communication modules, and processing units in connected devices.

Features

• Low Dropout Voltage: Maintains a stable output voltage with a small difference between input and output.
• Low Quiescent Current: Minimizes power consumption when no load is present, extending battery life.
• Overcurrent Protection: Protects the device and the load from excessive current.
• Overheat Protection: Prevents damage from overheating by shutting down the regulator.
• Small Package: Available in compact surface-mount packages like SOT-25.
• Fixed Output Voltage: Provides a stable and accurate 2.9V output.

Benefits

• Stable Power Supply: Ensures consistent voltage for sensitive electronic components.
• Extended Battery Life: Low quiescent current contributes to longer operating times in portable devices.
• Protection Against Faults: Overcurrent and overheat protection prevent damage to the regulator and connected circuits.
• Compact Design: Small package allows for easy integration into small devices.
• Simplified Design: Fixed output voltage simplifies power supply design.

Additional Details

The TCR5SB29A LDO regulator typically operates with an input voltage range of 3.0V to 5.5V. It provides a fixed output voltage of 2.9V with a high degree of accuracy. The device is available in small surface-mount packages such as SOT-25. The operating temperature range is typically -40°C to +85°C. The output current capability is typically in the range of 300mA to 500mA, depending on the specific variant and operating conditions. The regulator requires minimal external components, typically only input and output capacitors, to ensure stability. Consult the datasheet for recommended capacitor values and ESR characteristics for optimal performance. The overcurrent protection threshold is set above the maximum rated output current to provide a safety margin. The thermal shutdown temperature is typically around 150°C.