Texas Instruments TPS7A2030PDQNR

Overview

TPS7A2030PDQNR from Texas Instruments is a 300mA ultra-low-noise, low-I_Q, high-PSRR LDO regulator in a 1mm × 1mm X2SON-4 package, delivering 3.0V output with ±1.5% tolerance, 7µV_RMS noise (no bypass cap required), and 140mV max dropout at 300mA - designed for RF and precision analog power rails in space-constrained portable systems.

For engineers reviewing the TPS7A2030PDQNR datasheet, TPS7A2030PDQNR pinout, TPS7A2030PDQNR application, or TPS7A2030PDQNR equivalent, key selection criteria include ultra-low noise performance without external bypass, smart enable pulldown (500kΩ internal), stability with ≥1µF ceramic output capacitor, and thermal performance in the DQN package (R_θJA = 166.1°C/W).

Technical Context

The TPS7A2030PDQNR employs a precision bandgap reference and proprietary error amplifier architecture to achieve ±1.5% output accuracy over load, line, and temperature (–40°C to +125°C). Its low-noise design eliminates need for noise-bypass capacitors by integrating optimized internal filtering.

It features an internal soft-start circuit limiting inrush current and a smart enable input with 500kΩ pulldown resistor - ensuring default-disable state when EN floats - while supporting fast 750–1150µs startup time and automatic VOUT discharge via 150Ω internal pulldown during shutdown.

Key Specifications

Pinout & Package

TPS7A2030PDQNR uses the 1mm × 1mm, 4-pin X2SON (DQN) package with wettable flank terminations for automated optical inspection. Thermal pad (Pin 5) must be connected to GND for optimal thermal performance (R_θJB = 110.6°C/W).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar LDO regulator applications.

Compared with TPL7407LPGQDR and MCP1700T-3002E/MB, the TPS7A2030PDQNR uniquely delivers simultaneous ultra-low noise (7µV_RMS), high PSRR (95dB @ 1kHz), and sub-150mV dropout - making it the only viable choice for powering RF transceivers and precision analog circuits in miniaturized portable systems.

Availability

TPS7A2030PDQNR is available at Aetrix Electronics and suitable for portable medical sensors, RF front-end power, and wearable health trackers requiring stable component supply with guaranteed long-term manufacturability and full traceability.

Supply support for TPS7A2030PDQNR includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with decades of LDO design expertise and broad automotive/industrial qualification.

The TPS7A20 family was engineered specifically for ultra-low-noise, battery-efficient power delivery in space-constrained RF and precision analog systems - prioritizing noise performance, PSRR, and minimal external component count.

FAQ

What is the maximum input voltage rating for the TPS7A2030PDQNR?

The TPS7A2030PDQNR has an absolute maximum input voltage (VIN) rating of 6.5V. However, its recommended operating range is 1.6V to 6.0V. Exceeding 6.0V may trigger internal UVLO or reduce reliability; sustained operation above 6.5V risks permanent damage per the Absolute Maximum Ratings table in the SBVS338H datasheet.

Does the TPS7A2030PDQNR require an output capacitor, and what value is recommended?

Yes, the TPS7A2030PDQNR requires a minimum 1µF ceramic output capacitor for stability, with values up to 200µF supported. The device is optimized for X7R/X5R dielectrics and does not require ESR tuning - unlike many legacy LDOs. This simplifies design and enables use of compact 0402/0603 case sizes.

How does the smart enable function work on the TPS7A2030PDQNR?

The TPS7A2030PDQNR's EN pin includes a 500kΩ internal pulldown resistor, ensuring the device remains disabled when the pin is unconnected or driven low (<0.3V). When pulled above 0.9V, the pulldown disconnects to minimize leakage. This eliminates the need for an external pull-down resistor and prevents unintended startup during power sequencing.

Can the TPS7A2030PDQNR be used with a 1.8V input to deliver 3.0V output?

No - the TPS7A2030PDQNR cannot produce a 3.0V output from a 1.8V input because its minimum input voltage must exceed the output voltage plus dropout. With a 140mV max dropout, the minimum valid input is 3.14V. For 1.8V input applications, a boost converter or different LDO with lower VOUT capability is required.

What thermal performance can be expected from the TPS7A2030PDQNR in the DQN package?

In the 1mm × 1mm X2SON (DQN) package, the TPS7A2030PDQNR has a junction-to-ambient thermal resistance (R_θJA) of 166.1°C/W with standard JEDEC 2-layer board layout. With proper GND-connected thermal pad and 1-in² copper pour, power dissipation up to ~350mW is sustainable at +25°C ambient before reaching the 125°C max operating junction temperature.