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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLD39100PU12RY
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LD39100PU12RY - STMicroelectronics

Manufacturer Part Number
LD39100PU12RY
Manufacturer
STMicroelectronics
Allelco Part Number
32D-LD39100PU12RY
Warranty
1 Year Allelco Warranty - Find out more
Parts Description
IC REG LINEAR 1.2V 1A 6DFN
Package
6-DFN (3x3)
Data sheet
1.LD39100PU12RY.pdf ...

HTML Datasheet

LD39100xx.pdf

PCN Assembly/Origin

2.73KHz.pdf

PCN Packaging

2.73KHz.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 50540
  • Unit Price: $1.246
  • Subtotal: $0.00

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

Quantity Unit Price Ext. Price
1+ $1.246 $1.25
10+ $1.088 $10.88
30+ $0.988 $29.64
100+ $0.816 $81.60
500+ $0.77 $385.00
1000+ $0.75 $750.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Our certification

Specifications

LD39100PU12RY Tech Specifications
STMicroelectronics - LD39100PU12RY technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - LD39100PU12RY

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage Dropout (Max) 0.4V @ 1A  
Voltage - Output (Min/Fixed) 1.2V  
Voltage - Output (Max) -  
Voltage - Input (Max) 5.5V  
Supplier Device Package 6-DFN (3x3)  
Series Automotive, AEC-Q100  
Protection Features Over Current, Over Temperature, Short Circuit  
Package / Case 6-VDFN Exposed Pad  
Package Tape & Reel (TR)  
PSRR 65dB ~ 62dB (1kHz ~ 10kHz)  
Product Attribute Attribute Value  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C  
Number of Regulators 1  
Mounting Type Surface Mount  
Current - Supply (Max) 300 µA  
Current - Quiescent (Iq) 50 µA  
Current - Output 1A  
Control Features Enable, Power Good  
Base Product Number LD39100  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

LD39100PU12RY

Manufacturer

STMicroelectronics

Introduction

Low Drop Out Regulator for Power Management

Product Features and Performance

Positive Fixed Output

Single Regulator Integration

5V Maximum Input Voltage

2V Fixed Output Voltage

4V Max Dropout at 1A Load

1A Output Current

Low Quiescent Current of 50 µA

300 µA Maximum Supply Current

65dB to 62dB Power Supply Rejection Ratio (PSRR) at 1kHz to 10kHz

Enable and Power Good Control Features

Over Current, Over Temperature, Short Circuit Protection

Operational over a temperature range of -40°C to 125°C

Product Advantages

High Efficiency at Low Voltage Drops

Low Standby Power Consumption

High PSRR for Noise Sensitive Applications

Robust Protection Features for Safety

Key Technical Parameters

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): 1.2V

Current - Output: 1A

Voltage Dropout (Max): 0.4V @ 1A

Current - Quiescent (Iq): 50 µA

PSRR: 65dB ~ 62dB (1kHz ~ 10kHz)

Quality and Safety Features

AEC-Q100 Qualified for Automotive Standards

Over Current and Over Temperature Protection

Short Circuit Protection

Compatibility

Surface Mount 6-DFN (3x3) Package

6-VDFN Exposed Pad

Application Areas

Automotive Electronics

Power Management Systems

Consumer Electronics

Industrial Equipment

Product Lifecycle

Active Product Status

Automotive Grade

Not Nearing Discontinuation

Replacements or Upgrades Not Specified

Several Key Reasons to Choose This Product

Optimal for Low Voltage Applications Requiring 1A Output

Highly Efficient for Power-Sensitive Devices

Enhanced Safety with Comprehensive Protection Features

Suitable for Rigorous Automotive Standards

Low Noise Operation Ideal for Sensitive Circuits

Energy Conserving with Low Quiescent Current

Ready for Automated Surface Mount Assembly Processes

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics LD39100PU12RY

Product Attribute LD39100PU25RY LD39100PU18RY LD39100PU12R LD39100PURY
Part Number LD39100PU25RY LD39100PU18RY LD39100PU12R LD39100PURY
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Protection Features - - - -
Control Features - - - -
Number of Regulators - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Current - Output - - - -
Series - - - -
PSRR - - - -
Voltage - Input (Max) - - - -
Voltage Dropout (Max) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Voltage - Output (Max) - - - -
Current - Quiescent (Iq) - - - -
Output Configuration - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Supply (Max) - - - -
Voltage - Output (Min/Fixed) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

LD39100PU12RY Datasheet PDF

Download LD39100PU12RY pdf datasheets and STMicroelectronics documentation for LD39100PU12RY - STMicroelectronics.

HTML Datasheet
LD39100xx.pdf
PCN Assembly/Origin
2.73KHz.pdf
PCN Packaging
2.73KHz.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

View More
LD39100PU12RY Image

LD39100PU12RY

STMicroelectronics
32D-LD39100PU12RY

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

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