TLV75533PDQNT

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

The TLV75533PDQNT is a fixed-output low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. It provides a stable 3.3 V output with a maximum load current of 300 mA. The device operates within an input voltage range of 1.45 V to 5.5 V and features a typical power supply rejection ratio (PSRR) of 52 dB. Quiescent current is specified at 25 uA, with a maximum dropout voltage of 258 mV. It supports operation from -40°C to +125°C in a compact 4-X2SON package.

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

• Provides a fixed 3.3 V regulated output for sensitive circuitry
• Delivers up to 300 mA load current capability
• Maintains high noise immunity via 52 dB PSRR performance
• Operates efficiently with low quiescent current consumption

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

• Portable battery-powered electronic devices
• Embedded systems requiring stable logic supply rails
• Microcontroller peripheral power regulation
• Low-noise sensor interface circuits

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

Verify the specific suffix PDQNT corresponds to the 4-X2SON package variant when sourcing. Confirm that the 300 mA rating applies to your thermal conditions. Ensure compatibility with the 1.45 V minimum input requirement. Check RoHS compliance status for environmental regulations. Validate the fixed 3.3 V output against system voltage needs.

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

Select this component when a compact footprint is required alongside moderate current demands. The 4-X2SON package offers space savings compared to larger SOT-23 options. Consider the 300 mA limit versus higher current alternatives if loads exceed specifications. Evaluate thermal dissipation requirements based on the small package size. Verify input voltage stability above the 1.45 V threshold.

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

This part belongs to the TLV755xx series of low-dropout regulators designed for efficiency and noise reduction. It shares architectural similarities with other members like the TLV75533PDBVR but differs in physical packaging. The series targets applications needing reliable linear regulation in constrained spaces. It complements Texas Instruments' broader portfolio of power management solutions.

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

The TLV75533PDBVR serves as a functional substitute offering identical electrical characteristics in a different SOT-23-5 package. Ensure mechanical clearance accommodates the alternative footprint. Verify pinout compatibility during board redesign. Thermal performance may vary slightly due to package differences.