PTPS7A2028PDBVR Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock

The PTPS7A2028PDBVR is a 300mA low-noise ultra-low-IQ LDO voltage regulator with high PSRR from Texas Instruments. Supports 3.1V to 6V input range with only 140mV max dropout voltage in a 5-pin SOT23 package. Available from stock with worldwide shipping.

OBSOLETEIntegrated CircuitVerified May 2026
Package / Visual Reference
PTPS7A2028PDBVRSOT23 (5-Pin)
Quick Facts
Manufacturer
Texas Instruments
Package
SOT23 (5-Pin)
Pin Count
5
Lifecycle
OBSOLETE
Category
Integrated Circuit
Temp Range
-40.0°C to 125.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of PTPS7A2028PDBVR?

  • Ultra-low quiescent current design maximizes battery life in portable and IoT applications
  • High power supply rejection ratio (PSRR) minimizes supply noise for clean output in sensitive analog and RF circuits
  • Compact 5-pin SOT23 package with 140mV max dropout voltage enables efficient low-voltage regulation in space-constrained designs

What is PTPS7A2028PDBVR used for?

The PTPS7A2028PDBVR is ideal for battery-powered wearable devices, IoT sensors, and portable medical equipment where ultra-low quiescent current and low noise are critical requirements. Its high PSRR makes it well-suited for powering noise-sensitive analog front-ends, RF modules, and precision ADCs in communication and instrumentation systems. The device is also used in always-on power rails and sleep-mode circuits where minimizing standby power consumption is essential.

What are the specifications of PTPS7A2028PDBVR?

Date Of Intro2020-05-13
YTEOL0
AdjustabilityFIXED
Dropout Voltage1-Max0.14V
Input Voltage Absolute-Max6.5V
Input Voltage-Max6V
Input Voltage-Min3.1V
JESD-30 CodeR-PDSO-G5
Number of Functions1
Number of Outputs1
Operating Temperature TJ-Max125°C
Operating Temperature TJ-Min-40 °C
Output Current1-Max0.3A
Output Voltage1-Max2.842V
Output Voltage1-Min2.758V
Output Voltage1-Nom2.8V
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeTSOP5/6,.11,37
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Packing MethodTR
Regulator TypeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Surface MountYES
Terminal FormGULL WING
Terminal Pitch0.95mm
Terminal PositionDUAL
Voltage Tolerance-Max1.5%
PackageSOT23 (5-Pin)

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
ECCNEAR99
HTS Code8542.39.00.01

Where can I find the PTPS7A2028PDBVR datasheet?

PTPS7A2028PDBVR Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for PTPS7A2028PDBVR?

Compatible alternatives and drop-in replacements for PTPS7A2028PDBVR:

TPS7A2028PDBVRTexas Instruments Fixed Positive LDO

Regulator, 2.8V, 0.145V Dropout, PDSO5

View Part →

Frequently Asked Questions

What is the output current capability of the PTPS7A2028PDBVR?

The PTPS7A2028PDBVR provides up to 300mA of output current, making it suitable for powering microcontrollers, sensors, and other low-power loads in portable and IoT applications requiring a stable regulated supply.

What is the input voltage range of the PTPS7A2028PDBVR?

The PTPS7A2028PDBVR operates with an input voltage range from 3.1V to 6V, with an absolute maximum input voltage of 6.5V, making it compatible with single-cell Li-ion batteries and USB-powered systems.

What package does the PTPS7A2028PDBVR use?

The PTPS7A2028PDBVR is housed in a 5-pin SOT23 surface-mount package, offering a very small PCB footprint that is well suited for compact, space-constrained designs such as wearables and portable devices.

What makes the PTPS7A2028PDBVR suitable for noise-sensitive applications?

The PTPS7A2028PDBVR features a high power supply rejection ratio (PSRR), which effectively attenuates ripple and noise from the input supply, ensuring a clean and stable output voltage for sensitive analog, RF, and precision measurement circuits.

What is the dropout voltage of the PTPS7A2028PDBVR?

The maximum dropout voltage of the PTPS7A2028PDBVR is 140mV, allowing it to maintain regulation even when the input voltage is very close to the output voltage, which is critical for extending battery runtime in low-voltage applications.

Related Guides

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
Contact for Price
Buy from 1pc · Factory-direct pricing
pcs

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.

TM
Thomas Mueller
Hardware Lead, SensorTech GmbH, Germany