The TCR4S28DWBG is a low-dropout (LDO) regulator manufactured by Toshiba Semiconductor and Storage. It is designed to provide a stable and regulated output voltage, typically 2.8V, from a higher input voltage. This regulator is optimized for use in portable devices and other applications requiring efficient power management and low noise.

Applications

• Mobile phones
• Portable audio players
• Digital cameras
• Wireless communication devices
• Microcontroller power supplies

Features

• Low Dropout Voltage: Allows operation with a small difference between input and output voltage, maximizing efficiency.
• Fixed Output Voltage: Provides a stable and accurate 2.8V output.
• Low Quiescent Current: Minimizes power consumption when the regulator is not actively supplying current.
• Overcurrent Protection: Protects the regulator and the load from damage due to excessive current draw.
• Thermal Shutdown Protection: Shuts down the regulator when the temperature exceeds a safe limit, preventing thermal damage.
• Small Package: Available in a compact package, saving board space.

Benefits

• Extended Battery Life: Low dropout voltage and low quiescent current extend battery life in portable devices.
• Stable Output Voltage: Provides a clean and regulated 2.8V output, ensuring reliable operation of powered devices.
• Overload Protection: Overcurrent and thermal shutdown protection features prevent damage to the regulator and the load.
• Simplified Design: Requires few external components, simplifying circuit design and reducing board space.
• Improved System Reliability: Protects sensitive components from voltage fluctuations and overload conditions.
• Cost-Effective Solution: Provides a cost-effective solution for voltage regulation in various applications.

Additional Details

The TCR4S28DWBG requires input and output capacitors for stable operation. The recommended capacitor values are typically in the range of 1uF to 10uF, depending on the load current and the desired transient response. It is also RoHS compliant. The operating temperature range is typically from -40°C to +85°C. Always consult the datasheet for precise specifications and application recommendations.