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TPS7A2018PDBVR

TITPS7A2018PDBVR

Texas Instruments
LDO Voltage Regulators 300-mA ultra-low-noi se low-IQ low-dropo
3,850 in stock
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Overview

The TPS7A2018PDBVR is a 300mA ultra-low-noise low-dropout (LDO) linear regulator designed for noise-sensitive applications requiring a clean power rail. It features an extremely high power-supply rejection ratio (PSRR) and low quiescent current, making it ideal for battery-powered systems that must maintain signal integrity.

Why Choose This Part

This regulator offers an excellent trade-off between low-noise performance and power efficiency. Its high PSRR effectively filters out switching noise from upstream DC-DC converters, while the small SOT-23 package minimizes PCB footprint.

Applications

High-Fidelity Audio
Provides ultra-clean power to DACs and pre-amplifiers to minimize harmonic distortion and noise floor.
Precision Analog Sensing
Supplies stable, low-noise voltage to high-resolution ADCs and sensitive analog front-ends.
RF Transceivers
Powers VCOs and PLLs in wireless modules to reduce phase noise and jitter.
Portable Electronics
Balances high current delivery with low-IQ consumption to extend battery life in handheld devices.

Getting Started

When designing with this LDO, ensure that a 1uF ceramic output capacitor is placed as close as possible to the VOUT and GND pins for stability. Use a wide copper trace for the ground plane to manage thermal dissipation during high-current operation.

Part of TPS7Axx LDOs family » TPS7A2018

TPS7A2018 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Package Control Features Protection Features Stock
TPS7A2018PDBVR (this part) — — — 3,850
TPS7A2018PDQNR XDFN-4 Enable Over Current, Over.. 23,123
TPS7A2018PYCKR XFBGA-4 Current Limit, Ena.. Over Current, Over.. 29,732

Also Consider

AP7361C-18E-13 DIODiodes Incorporated - Higher 1A current capability for 1.8V rails that require more power while maintaining LDO simplicity.

Categories

Power Management > LDO Voltage Regulators