TCR2LF19,LM(CT

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The TCR2LF19,LM(CT is a CMOS low-dropout voltage regulator manufactured by Toshiba Semiconductor and Storage. It provides a fixed positive output of 1.9 V with a maximum continuous output current of 200 mA. The device operates within an input voltage range up to 5.5 V and features a typical dropout voltage of 370 mV at rated load. Quiescent current is specified at 1 uA, ensuring minimal power consumption in standby modes. The unit includes overcurrent protection and maintains regulation accuracy within 1%. It functions reliably across a junction temperature range from -40°C to +85°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Ultra-low quiescent current design for extended battery life in portable applications
• Integrated overcurrent protection circuitry for enhanced system reliability
• Fixed output voltage configuration eliminates external resistor requirements
• Compact surface-mount packaging suitable for space-constrained PCB layouts

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Battery-powered portable electronic devices requiring efficient power management
• Microcontroller supply rails in embedded systems
• RF module power supplies in wireless communication equipment
• Sensor interface circuits in industrial monitoring systems

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix (LM) against the manufacturer's official datasheet to confirm package type and tape/reel specifications. Ensure compatibility with RoHS directives if required by your region. Confirm availability status directly with authorized distributors as stock levels fluctuate. Check for alternative suffixes that may indicate different packaging quantities or lead times. Validate that the component meets all environmental operating conditions specified in the technical documentation.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this regulator when a stable 1.9 V rail is needed with minimal static power draw. The 200 mA output capability supports moderate load currents common in digital logic. Consider the SOT-25-5 package dimensions during layout planning. Evaluate thermal performance based on expected power dissipation under maximum load conditions. Compare dropout characteristics against available input voltage headroom to ensure proper regulation under all operating scenarios.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This component belongs to Toshiba's TCR2LF series of low-dropout regulators. The series offers various fixed output voltages tailored for different digital logic families. These regulators are designed for general-purpose power management in consumer and industrial electronics. The LM suffix typically denotes a specific surface-mount package variant within the product line.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Consult Toshiba's official cross-reference documentation for verified substitute part numbers. Ensure any replacement matches the output voltage, current rating, and package footprint. Verify that alternative components meet the same electrical specifications and thermal requirements.