TPL803133-ST4R-S

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

The TPL803133-ST4R-S is a low-dropout linear regulator manufactured by 3PEAK. It features an input voltage range of 2.7V to 5.5V and provides a fixed output voltage of 3.3V with a maximum output current of 300mA. The device incorporates ultra-low quiescent current technology to optimize power efficiency in battery-operated applications. It includes comprehensive protection mechanisms such as thermal shutdown, reverse polarity protection, and over-current limiting. The component is housed in a SOT-223-3 package, suitable for space-constrained designs requiring stable voltage regulation.

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

• Ultra-low quiescent current operation enhances energy efficiency
• Integrated thermal shutdown and over-current protection safeguards against fault conditions
• Reverse polarity protection capability ensures robustness during incorrect connections

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

• Battery-powered portable electronic devices
• Wearable health monitoring equipment
• IoT sensor nodes requiring low power consumption

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

Verify the specific suffix ST4R-S corresponds to the required tape-and-reel packaging configuration. Confirm that the 3.3V fixed output variant matches the system design requirements. Ensure the SOT-223-3 footprint aligns with the PCB layout specifications. Cross-reference the manufacturer's latest datasheet for any updates on pin compatibility or recommended operating conditions before finalizing procurement orders.

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

Select this component when a stable 3.3V rail is needed from inputs up to 5.5V with minimal static power draw. It is appropriate for systems where reverse polarity events are possible. Consider the thermal performance in the SOT-223 package under full load conditions. This regulator is suitable for noise-sensitive analog sections if bypassing capacitors are correctly applied according to the datasheet guidelines.

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

This part belongs to the TPL8031 series of high-voltage LDO regulators from 3PEAK. The series offers various fixed output voltages and current ratings within a compact form factor. The TPL803133 specifically denotes the 3.3V output version. These regulators are designed for general-purpose voltage regulation in consumer electronics and industrial control systems where reliability and low power consumption are critical.

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

Public confirmed substitute part numbers: TPL803150-ST4R-S (for 5.0V output requirement).