Get a Sample
Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.
Request evaluation samplesLP38691DTX-5.0/NOPB is a PMIC - Voltage Regulators - Linear model from Texas Instruments, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Integrated Circuits (ICs) / PMIC - Voltage Regulators - Linear product path. Known package information currently points to TO252 under the Texas Instruments brand listing. IC REG LINEAR 5V 500MA TO252-3. TrustCompo combines the available model, brand, hierarchy, and specification details around LP38691DTX-5.0/NOPB so buyers can move faster from review to quotation.

Traceability and authenticity checks
Fast RFQ turnaround
Documentation support
Pre-shipment inspection review
Key specifications
Series
-
Min Quantity
1
Category
Integrated Circuits (ICs)Sub Category
PMIC - Voltage Regulators - LinearDescription
IC REG LINEAR 5V 500MA TO252-3
key Attributes
-
Why request a quote
Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.
Trust signals
Globally recognized certifications
Visible certifications work best when they are paired with clear operational promises around traceability, handling, and inspection.
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
Ordering workflow
Use this section to see the fastest ordering path and the policy pages buyers usually review before confirming a component order.
How to order this product
A simple B2B flow helps engineering and procurement teams move from part review to commercial confirmation.
Review the part number, package, key specs, and target quantity so the quote request reflects the exact sourcing scope your team needs.
Use Quick Quote for commercial pricing or Request Sample when engineering validation is still in progress and a smaller evaluation quantity is needed.
Before final release, confirm stock timing, shipment method, payment arrangement, and any traceability or inspection documents required by your process.
Policies buyers usually check
These pages explain the operating rules around samples, shipping, payment, and quality support before you place the order.
Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.
Request evaluation samplesReview shipping origin, carrier options, delivery methods, and the practical factors that affect transit timing for global component orders.
Review shipping detailsUnderstand supported payment methods, invoice handling, quote currency, and the commercial boundaries used for international B2B orders.
Review payment termsSee how incoming inspection, outgoing verification, traceability support, certifications, and additional testing fit into our quality workflow.
Review quality controlsStructured product content
Review overview, detailed specifications, and related sourcing content in one structured flow without scanning separate oversized sections.
Product overview
The LP38691DTX-5.0/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 5.0 volts with a maximum output current of 1.5 A. This device is particularly useful in applications where space is limited and efficiency is critical, such as in portable electronics, battery-powered devices, and other compact systems.
Output Voltage: The LP38691DTX-5.0/NOPB provides a fixed output voltage of 5.0 V, making it suitable for powering various digital circuits and microcontrollers that require a stable supply.
Dropout Voltage: The regulator has a low dropout voltage, typically around 300 mV at full load, which allows it to maintain regulation even when the input voltage is only slightly above the output voltage. This feature is essential for battery-operated devices where maximizing battery life is crucial.
Current Capability: With a maximum output current of 1.5 A, the LP38691DTX-5.0/NOPB can support a wide range of applications, from powering small sensors to driving larger loads.
Thermal Protection: The device includes built-in thermal shutdown protection, which prevents damage due to overheating. This feature is vital for ensuring reliability in high-temperature environments or under heavy load conditions.
Short-Circuit Protection: The regulator is designed with short-circuit protection, which safeguards the device and the connected load in the event of a fault condition.
Package Type: The LP38691DTX-5.0/NOPB is available in a compact DTX package, which is a 5-pin SOT-23 package. This small form factor is ideal for space-constrained applications.
Operating Temperature Range: The device operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for industrial and automotive applications.
Power Supply Rejection Ratio (PSRR): The LP38691DTX-5.0/NOPB features a high PSRR, which helps to filter out noise from the input supply, ensuring a clean output voltage.
Input Voltage Range: The input voltage range for this LDO is typically from 3.0 V to 20 V, allowing it to be used with various power sources.
The LP38691DTX-5.0/NOPB from Texas Instruments is a versatile and efficient LDO voltage regulator that combines a compact design with robust performance features. Its low dropout voltage, thermal and short-circuit protection, and wide operating temperature range make it an excellent choice for a variety of applications where reliable power supply is essential.
Fast scan
Export Classifications & Environmental
JESD-609 Code
e3
Export Classifications & Environmental
Moisture Sensitivity Level (MSL)
1 (Unlimited)
Export Classifications & Environmental
RoHS Status
RoHS non-compliant
Export Classifications & Environmental
HTSUS
8542.39.0001
Export Classifications & Environmental
JESD-30 Code
R-PSSO-G2
Export Classifications & Environmental
ECCN Code
EAR99
Common questions
Quick answers for buyers reviewing LP38691DTX-5.0/NOPB, stock, documentation, and sourcing steps.
LP38691DTX-5.0/NOPB is a PMIC - Voltage Regulators - Linear component from Texas Instruments. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
LP38691DTX-5.0/NOPB is listed with package reference TO252. The current product description is IC REG LINEAR 5V 500MA TO252-3, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
This page currently shows 20434 units in stock and 17940 units available for LP38691DTX-5.0/NOPB. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for LP38691DTX-5.0/NOPB by Texas Instruments. The TrustCompo team can review price, availability, and documentation support.
A dedicated datasheet link is not currently listed for LP38691DTX-5.0/NOPB by Texas Instruments. Contact us with the part number and required parameters so the team can help confirm documentation during quotation.
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for LP38691DTX-5.0/NOPB before approving the order.
PMIC - Voltage Regulators - Linear
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.

IC REG LIN 1.8V 150MA SOT23A-3

IC REG LINEAR 2.5V 1A SOT223

IC REG LINEAR 5V 100MA 8SOIC

IC REG LINEAR 5V 150MA 8SOIC

IC REG LIN POS ADJ 100MA TO92-3

IC REG LINEAR -12V 100MA 8SOIC
More sourcing insights
Explore related articles around LP38691DTX-5.0/NOPB, PMIC - Voltage Regulators - Linear, and adjacent sourcing decisions so buyers can compare context before moving from evaluation to RFQ.
Jul 17, 2026
FPGA Supply 2026: A Buyer's Framework for AMD Xilinx, Intel Altera, Microchip, and Lattice SourcingA production-BOM FPGA sourcing guide for 2026 covering lifecycle commitment, redesign cost, and qualification boundaries across AMD Xilinx, Intel Altera, Microchip PolarFire, and Lattice families.
Jul 11, 2026
2026 Q3 Wide-Bandgap Power Read: Where SiC Is Scaling, Where GaN Is Winning, and Why Silicon Still MattersA Q3 2026 read on SiC, GaN, and silicon power semiconductors: where wide-bandgap devices are winning now, where silicon still holds, and what engineers and sourcing teams should watch.
Jul 8, 2026
Texas Instruments Lead Time and Price Pressure in 2026: What Analog and Power Buyers Should Do NowA buyer-facing framework for Texas Instruments analog and power IC exposure in 2026, covering what is confirmed, where price and lead-time pressure is most likely to show up, and which actions sourcing teams should take first.
