LM317MDTX

Name: LM317MDTX
Brand: Onsemi
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

The LM317MDTX is a 3-pin regulator that can provide a stable output voltage between 1.25V and 37V with a maximum current of 0.5A

3,360 Effective Inventory

LM317MDTX

Effective Inventory3,360

The LM317MDTX is a 3-pin regulator that can provide a stable output voltage between 1.25V and 37V with a maximum current of 0.5A

Manufacturer Part # : LM317MDTX
Other Name : LM317MDTX/NOPB
Package/Case: TO-252-3
Brand: Onsemi
Product Categories : Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
Series : LM317

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

Shipping & Payment

About Shipping

We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.

About Payment

We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.

If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.

WireTransfer

Paypal

CreditCard

WesternUnion

MoneyGram

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

Example

Tape and Reel

Cut Tape

Tube or Tray

LM317MDTX DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$0.510	$0.51
10	$0.426	$4.26
30	$0.383	$11.49
100	$0.341	$34.10
500	$0.317	$158.50
1000	$0.303	$303.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

Interested Parts

MC79M12BDTG
Onsemi
Min$0.504

Price Dtls.
LB11696V-TLM-E
Onsemi
Min$0.805

Price Dtls.
LM385Z-2.5
Onsemi
Min$0.065

Price Dtls.
MC33039DR2G
Onsemi
Min$0.544

Price Dtls.
NCP5106BDR2G
Onsemi
Min$0.307

Price Dtls.
FAN7842MX
Onsemi
Min$0.449

Price Dtls.
FSFR2100XSL
Onsemi
Min$1.488

Price Dtls.
NCP1027P065G
Onsemi
Min$1.400

Price Dtls.

Rapid Quote

Please submit RFQ for LM317MDTX or email to us: Email: [email protected], we will contact you in 12 hours.

Quantity^*

Contact Person^*

E-mail^*

Company Name

Anything else?

LM317MDTX Details

The LM317MDTX is an adjustable voltage regulator from Texas Instruments, designed for precision voltage regulation in various electronic circuits. This regulator offers a wide input voltage range and adjustable output voltage, making it versatile for different applications. It is housed in a compact SOT-223 package, suitable for space-constrained designs requiring stable and accurate voltage regulation.

Pinout

1 (ADJ): Adjustable Output
2 (VOUT): Regulated Output
3 (VIN): Input Voltage

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Adjustable Output Voltage: Allows for customized output voltage settings.
Wide Input Voltage Range: Accepts a wide range of input voltages for flexibility.
Compact Package: Housed in a space-saving and thermally efficient SOT-223 package.
Low Dropout Voltage: Provides stable regulation even with small voltage differentials.
Overcurrent and Thermal Protection: Offers protection features for safe operation.

Application

Power Supply Regulation: Ideal for voltage regulation in power supply circuits.
Battery Charging Systems: Used in battery chargers for maintaining a stable charging voltage.
Audio Amplifiers: Suitable for providing a steady voltage supply to audio amplifier circuits.

Where to Use

The LM317MDTX is suitable for applications requiring precise and adjustable voltage regulation. It is commonly used in power supplies, battery chargers, and audio systems where stable voltage output is essential for proper operation.

How to Use

Connect the LM317MDTX to your circuit by wiring the VIN pin to the input voltage source and the VOUT pin to the regulated output. Adjust the output voltage as needed using the ADJ pin. Ensure proper heat sinking for thermal management, especially when dealing with higher input-output differentials. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the LM317MDTX illustrates how to incorporate the voltage regulator into your electronic design. It includes connections for input voltage, output regulation, and adjustment components for optimal performance.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LM317: A classic adjustable voltage regulator with similar functionality from Texas Instruments.
LT1083: An alternative adjustable regulator offering high current capability and low dropout voltage.

Complementary

The LM317MDTX can be complemented by the LM336MX-2.5, a precision voltage reference, for improved voltage regulation accuracy in critical applications.

When selecting complementary components, ensure compatibility and performance alignment with your specific application requirements.

Frequently Asked Questions

Q: What is the maximum input voltage supported by the LM317MDTX?

A: The LM317MDTX can handle input voltages up to a certain limit, typically mentioned in the datasheet for safe operation and performance.

Q: Is heatsinking required for the LM317MDTX?

A: Heatsinking may be necessary, especially when dealing with higher input-output differentials or operation in elevated ambient temperatures to ensure proper thermal management.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	Linear Voltage Regulators	RoHS	N
Mounting Style	SMD/SMT	Package / Case	TO-252-3
Number of Outputs	1 Output	Polarity	Positive
Output Voltage	1.2 V to 37 V	Output Current !	500 mA
Output Type	Adjustable	Input Voltage, Min	4.2 V
Input Voltage, Max	40 V	Minimum Operating Temperature	0 C
Maximum Operating Temperature !	+ 125 C	Load Regulation !	0.5 %
Line Regulation !	0.04 %/V	Brand	Texas Instruments
Product Type !	Linear Voltage Regulators	Factory Pack Quantity	2500
Subcategory	PMIC - Power Management ICs	Unit Weight	0.063493 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM317MDTX PDF Download

FAQs

What is LM317MDTX?

The LM317MDTX is an adjustable three-terminal positive voltage regulator integrated circuit (IC) designed by Texas Instruments. It is commonly used in electronic circuits to provide a stable, adjustable output voltage, making it suitable for power supply applications, battery chargers, and voltage regulators.

How Does LM317MDTX Work?

The LM317MDTX works by regulating the output voltage based on a reference voltage and an external resistor network. By adjusting the resistor values, the output voltage can be set to the desired level. The device operates with a relatively low dropout voltage, making it useful for regulating lower input voltages to stable output voltages.

How Many Pins does LM317MDTX have and What are the Functions of the Pinout Configuration?

The LM317MDTX is housed in a 8-pin DSBGA (Micro SMD) package. The pinout configuration includes:

ADJ: Adjustable pin for setting the output voltage.
OUT: Regulated output voltage pin.
IN: Input voltage pin.
Vout: Voltage output set pin (for adjust version only).

What are the Pros and Cons of LM317MDTX?

Pros:

Adjustable Output: Provides flexibility in setting the desired output voltage.
Simple Design: Requires minimal external components for basic voltage regulation.
Compact Package: The Micro SMD package is space-efficient for compact designs.
Thermal Shutdown: Incorporates thermal shutdown and current limiting protection features.

Cons:

Heat Dissipation: May require heat sink for high current or high voltage applications.
Dropout Voltage: Has a relatively higher dropout voltage compared to low dropout regulators.

Are There Any Equivalents/Alternatives to LM317MDTX for Recommendation?

The LM338 from Texas Instruments is a similar adjustable positive voltage regulator with higher current capability.
Alternatives to the LM317MDTX include the ADJ111 from Analog Devices and the LDO05C from STMicroelectronics.