The TCR5SB30B,LFNDF is a low-dropout (LDO) regulator manufactured by Toshiba Semiconductor and Storage. This specific variant, TCR5SB30B with the LFNDF package, is designed to provide a stable 3.0V output voltage. It's ideal for applications requiring a precise and reliable voltage source, particularly in portable and battery-powered devices.

Applications

• Mobile phones and smartphones: Powers internal components that require a stable 3.0V supply.
• Wireless communication devices: Provides regulated voltage for RF transceivers and modules.
• Portable audio players: Powers the audio amplifier and digital signal processing units.
• Digital cameras and imaging devices: Ensures correct operation of image sensors and processors.
• Microcontrollers and microprocessors: Delivers clean and regulated voltage for reliable operation.
• IoT (Internet of Things) devices: Powers sensors, communication modules, and processing units.

Features

• Low Dropout Voltage: Maintains a stable output voltage even with a small difference between input and output.
• Low Quiescent Current: Consumes minimal current in standby mode, extending battery life.
• Overcurrent Protection: Protects the regulator and load from excessive current draw.
• Overheat Protection: Thermal shutdown feature protects the regulator from overheating.
• Small Package: Available in small surface-mount packages (e.g., DFN) for space-constrained applications.
• Fixed Output Voltage: Provides a stable and precise 3.0V output.
• LFNDF Package: Indicates a specific lead-free DFN (Dual Flat No-lead) package optimized for automated assembly.

Benefits

• Stable Power Supply: Ensures consistent voltage for sensitive electronic components.
• Extended Battery Life: Low quiescent current improves energy efficiency.
• Protection Against Overloads: Overcurrent and overheat protection prevent damage.
• Compact Design: Small package allows for integration in space-limited applications.
• Simplified Design: Fixed output voltage simplifies circuit design.
• Automated Assembly Compatibility: LFNDF package designed for efficient automated assembly.

Additional Details

The TCR5SB30B,LFNDF operates with an input voltage range typically from 3.1V to 5.5V. It provides a fixed output voltage of 3.0V with high accuracy. The LFNDF package is a lead-free DFN package designed for efficient surface-mount assembly. The operating temperature range is typically -40°C to +85°C. The output current capability is usually in the range of 300mA to 500mA, depending on the variant and operating conditions. Input and output capacitors are required for stability; the datasheet specifies recommended values and ESR ranges. The overcurrent protection threshold is typically set above the maximum rated output current. Thermal shutdown occurs at a temperature typically around 150°C.