Get a Sample
Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.
Request evaluation samplesTexas InstrumentsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearTexas Instruments PMIC - Voltage Regulators - Linear
LM317MDTX/NOPB PMIC - Voltage Regulators - Linear by Texas Instruments
LM317MDTX/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 LIN POS ADJ 500MA TO252-3. TrustCompo combines the available model, brand, hierarchy, and specification details around LM317MDTX/NOPB so buyers can move faster from review to quotation.
RoHS
Pictures are for reference only. Please contact us for the latest pictures.
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 LIN POS ADJ 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.
RoHS, REACH, and lead-free documentation can be confirmed during RFQ
Traceability and Certificate of Conformance support available on request
Pre-shipment inspection report support for quality review
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
Understand how to order and what policies support the purchase
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.
1
Confirm part and quantity
Review the part number, package, key specs, and target quantity so the quote request reflects the exact sourcing scope your team needs.
2
Send RFQ or sample request
Use Quick Quote for commercial pricing or Request Sample when engineering validation is still in progress and a smaller evaluation quantity is needed.
3
Align delivery, payment, and documentation
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.
Shipping & Delivery
Review shipping origin, carrier options, delivery methods, and the practical factors that affect transit timing for global component orders.
Review shipping detailsPayment Terms
Understand supported payment methods, invoice handling, quote currency, and the commercial boundaries used for international B2B orders.
Review payment termsQuality & Traceability Center
See how incoming inspection, outgoing verification, traceability support, certifications, and additional testing fit into our quality workflow.
Review quality controlsStructured product content
Review The Product The Way Buyers Actually Evaluate It
Review overview, detailed specifications, and related sourcing content in one structured flow without scanning separate oversized sections.
Product overview
Overview
The LM317MDTX/NOPB is a versatile adjustable voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage that can be adjusted from 1.25V to 37V, making it suitable for a wide range of applications, including power supplies, battery chargers, and other electronic circuits requiring a regulated voltage.
Key Features:
-
Adjustable Output Voltage: The LM317 allows users to set the output voltage to their desired level using external resistors. This flexibility makes it ideal for custom applications.
-
Output Current: The device can deliver up to 1.5A of output current, which is sufficient for many low to medium power applications.
-
Thermal Overload Protection: The LM317 is equipped with built-in thermal overload protection, which helps prevent damage to the device and the circuit in case of overheating.
-
Short-Circuit Protection: This feature protects the regulator from damage due to short circuits, ensuring reliability and longevity in various applications.
-
Low Dropout Voltage: The LM317 has a low dropout voltage, typically around 3V at full load, which allows it to maintain regulation even when the input voltage is only slightly higher than the output voltage.
-
Wide Input Voltage Range: The device can accept input voltages ranging from 3V to 40V, providing versatility in power supply design.
-
Package Type: The LM317MDTX/NOPB is available in a TO-220 package, which is suitable for heat dissipation and easy mounting on PCBs.
-
No Lead (NOPB): The designation "NOPB" indicates that the product is free from lead, making it compliant with environmental regulations such as RoHS.
Applications:
- Power Supply Circuits: Ideal for creating adjustable power supplies for various electronic devices.
- Battery Chargers: Can be used in battery charging applications where a stable voltage is required.
- LED Drivers: Suitable for driving LEDs with a constant current.
- Regulated Power Sources: Used in circuits that require a stable voltage reference.
Electrical Characteristics:
- Input Voltage Range: 3V to 40V
- Output Voltage Range: 1.25V to 37V
- Output Current: Up to 1.5A
- Dropout Voltage: Typically 3V at full load
- Temperature Range: Operates within a wide temperature range, typically from -40°C to +125°C.
Conclusion:
The LM317MDTX/NOPB from Texas Instruments is a reliable and flexible adjustable voltage regulator that is widely used in various electronic applications. Its combination of features, including adjustable output, thermal protection, and a wide input voltage range, makes it a popular choice among engineers and hobbyists alike.
Fast scan
Popular Specs Surfaced First
Export Classifications & Environmental
JESD-609 Code
e3
Export Classifications & Environmental
RoHS Status
ROHS3 Compliant
Export Classifications & Environmental
REACH SVHC
No SVHC
Export Classifications & Environmental
Moisture Sensitivity Level (MSL)
2 (1 Year)
Export Classifications & Environmental
JESD-30 Code
R-PSSO-G2
Export Classifications & Environmental
ECCN Code
EAR99
JESD-609 Code
e3
RoHS Status
ROHS3 Compliant
REACH SVHC
No SVHC
Moisture Sensitivity Level (MSL)
2 (1 Year)
JESD-30 Code
R-PSSO-G2
ECCN Code
EAR99
Output Configuration
Positive
Power Supply Rejection Ratio (PSRR)
80dB
Number Of Regulators
1
Dropout Voltage1-Nom
2.25V
PSRR
80dB ~ 65dB (120Hz)
Protection Features
Over Current, Over Temperature, Short Circuit
Min Current Limit
500mA
Dropout Voltage
2.25V
Accuracy
5 %
Total Dose
2.3mm
Part Status
Active
Lead Free
Lead Free
Mounting Type
Surface Mount
Lifecycle Status
ACTIVE (Last Updated: 5 days ago)
Factory Lead Time
8 Weeks
Packaging
Tape & Reel (TR)
Categories
Integrated Circuits (ICs)
Peak Reflow Temperature (Cel)
260
Terminal Form
GULL WING
Manufacturer
Texas
Nominal Supply Current
3.5mA
Sub-Categories
PMIC - Voltage Regulators - Linear
Reference Voltage
1.25V
Package / Case
TO-252-3, DPak (2 Leads + Tab), SC-63
Output Type
Adjustable
Number Of Functions
1
Contact Plating
Tin
Radiation Hardening
No
Mount
Surface Mount
Pbfree Code
yes
Technology
BIPOLAR
Number Of Pins
3
Terminal Position
SINGLE
Number Of Terminations
2
Number Of Outputs
1
Pin Count
3
Max Supply Voltage
40V
Operating Temperature
0°C~125°C TJ
Width
6.1mm
Base Part Number
LM317
Min Input Voltage
4.2V
Output Voltage
37V
Max Output Voltage
37V
Quiescent Current
3.5mA
Max Output Current
500mA
Terminal Pitch
2.285mm
Height
2.55mm
Length
6.58mm
Min Supply Voltage
4.2V
Data Encoding/Decoding Method
1.2V
Manufacturer'S Part No.
LM317MDTX/NOPB
Common questions
Product FAQ
Quick answers for buyers reviewing LM317MDTX/NOPB, stock, documentation, and sourcing steps.
What is LM317MDTX/NOPB?
LM317MDTX/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.
What package and description are listed for LM317MDTX/NOPB?
LM317MDTX/NOPB is listed with package reference TO252. The current product description is IC REG LIN POS ADJ 500MA TO252-3, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is LM317MDTX/NOPB available in stock?
This page currently shows 24117 units in stock and 22484 units available for LM317MDTX/NOPB. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Can I request a quote or sample for LM317MDTX/NOPB?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for LM317MDTX/NOPB by Texas Instruments. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for LM317MDTX/NOPB?
A dedicated datasheet link is not currently listed for LM317MDTX/NOPB by Texas Instruments. Contact us with the part number and required parameters so the team can help confirm documentation during quotation.
How should buyers verify LM317MDTX/NOPB before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for LM317MDTX/NOPB before approving the order.
PMIC - Voltage Regulators - Linear
Recommended Products
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.
More sourcing insights
Articles
Explore related articles around LM317MDTX/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.
FPGAAMD XilinxIntel Altera
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.
wide-bandgap semiconductorsSiCGaN
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.
Texas Instrumentsanalog ICpower management IC