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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLD39300PT-R
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LD39300PT-R - STMicroelectronics

Manufacturer Part Number
LD39300PT-R
Manufacturer
STMicroelectronics
Allelco Part Number
32D-LD39300PT-R
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC REG LINEAR POS ADJ 3A PPAK
Package
PPAK
Data sheet
1.LD39300PT-R.pdf ...

Datasheets

LD39300.pdf

PCN Assembly/Origin

Mult Devices 02/Mar/2018.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 17320
  • Unit Price: $14.46
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $14.46 $14.46
200+ $5.60 $1,120.00
500+ $5.40 $2,700.00
1000+ $5.30 $5,300.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Specifications

LD39300PT-R Tech Specifications
STMicroelectronics - LD39300PT-R technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - LD39300PT-R

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage Dropout (Max) 0.4V @ 3A  
Voltage - Output (Min/Fixed) 1.22V  
Voltage - Output (Max) 5V  
Voltage - Input (Max) 6V  
Supplier Device Package PPAK  
Series -  
Protection Features Over Current, Over Temperature  
Package / Case TO-252-5, DPak (4 Leads + Tab), TO-252AD  
Package Tape & Reel (TR)  
PSRR 65dB ~ 55dB (120Hz ~ 1kHz)  
Product Attribute Attribute Value  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 1  
Mounting Type Surface Mount  
Current - Supply (Max) 2.5 mA  
Current - Quiescent (Iq) 5 µA  
Current - Output 3A  
Control Features Enable  
Base Product Number LD39300  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LD39300PT-R

Manufacturer

STMicroelectronics

Introduction

The LD39300PT-R is a low drop-out, adjustable output voltage regulator.

Product Features and Performance

Adjustable output voltage from 1.22V to 5V

Maximum input voltage of 6V

Low dropout voltage of 0.4V at 3A load

Output current capability of 3A

Low quiescent current of 5 µA

High PSRR of 65dB to 55dB between 120Hz and 1kHz

Enable control feature for power saving

Surface mount DPAK package for ease of integration

Product Advantages

High output current of 3A supports demanding applications

Low dropout voltage improves efficiency

Low quiescent current extends battery life in portable applications

Wide operating temperature range suitable for industrial applications

High power supply rejection ratio ensures stable output

Integrated protection features enhance reliability

Key Technical Parameters

Positive adjustable output configuration

One voltage regulator

Voltage dropout (Max): 0.4V @ 3A

Current - Output: 3A

Current - Quiescent (Iq): 5 µA

PSRR: 65dB ~ 55dB (120Hz ~ 1kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current and Over Temperature protection

Compatibility

Compatible with surface mount technology and standard DPAK footprint

Application Areas

Power management in consumer electronics, computers, and industrial systems

Product Lifecycle

Obsolete status indicates the product may be discontinued

Replacement or upgrades may be limited

Several Key Reasons to Choose This Product

Ideal for high current applications due to 3A output current

Energy-efficient due to low dropout voltage and quiescent current

Suitable for harsh environments with wide operating temperature

Safe and reliable operation with built-in protection features

Enhanced output voltage stability suitable for sensitive electronics

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics LD39300PT-R

Product Attribute LD39300PT25-R LD39300PT33-R LD39300PT18-R LD39300DT33-R
Part Number LD39300PT25-R LD39300PT33-R LD39300PT18-R LD39300DT33-R
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Series - - - -
Protection Features - - - -
Current - Quiescent (Iq) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Voltage - Input (Max) - - - -
Output Configuration - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Current - Output - - - -
Voltage Dropout (Max) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Voltage - Output (Max) - - - -
Control Features - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
PSRR - - - -
Current - Supply (Max) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Output (Min/Fixed) - - - -
Number of Regulators - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)

LD39300PT-R Datasheet PDF

Download LD39300PT-R pdf datasheets and STMicroelectronics documentation for LD39300PT-R - STMicroelectronics.

Datasheets
LD39300.pdf
PCN Assembly/Origin
Mult Devices 02/Mar/2018.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

  • Uri ***al
    Jun 19, 2024

    Good comunication,
    Transpnt regarding the process and price.

  • Yaqu***l Ali
    Jun 19, 2024

    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

  • Lea ***
    Jun 19, 2024

    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LD39300PT-R Image

LD39300PT-R

STMicroelectronics
32D-LD39300PT-R

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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