View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Netherlands(Nederland) Spain(español) Turkey(Türk dili) Israel(עִבְרִית) Denmark(Dansk) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Philippines(Pilipino)
Africa, India and Middle East
India(हिंदी)
North America
United States(English) Canada(English) Mexico(español)
HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLDFM33PUR
LDFM33PUR Image
Image may be representation.
See specifications for product details.

LDFM33PUR - STMicroelectronics

Manufacturer Part Number
LDFM33PUR
Manufacturer
STMicroelectronics
Allelco Part Number
32D-LDFM33PUR
ECAD Model
Parts Description
IC REG LINEAR 3.3V 500MA 6DFN
Detailed Description
Package
6-VDFN Exposed Pad
Data sheet
LDFM(50).pdf
RoHs Status
ROHS3 Compliant
In stock: 82920

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

LDFM33PUR Tech Specifications
STMicroelectronics - LDFM33PUR technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - LDFM33PUR

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage Dropout (Max) 0.3V @ 500mA  
Voltage - Output (Min/Fixed) 3.3V  
Voltage - Output (Max) -  
Voltage - Input (Max) 16V  
Supplier Device Package 6-DFN (3x3)  
Series -  
Protection Features Over Current, Over Temperature, Under Voltage Lockout (UVLO)  
Package / Case 6-VDFN Exposed Pad  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
PSRR 60dB ~ 52dB (120Hz ~ 100kHz)  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Regulators 1  
Mounting Type Surface Mount  
Current - Quiescent (Iq) 800 µA  
Current - Output 500mA  
Control Features Enable, Power Good  
Base Product Number LDFM33  

Parts Introduction

Manufacturer Part Number

LDFM33PUR

Manufacturer

STMicroelectronics

Introduction

LDFM33PUR is an LDO regulator designed for stable voltage supply.

Product Features and Performance

Fixed 3.3V output voltage

Low dropout voltage of 0.3V at 500mA

500mA output current capability

60dB to 52dB PSRR (120Hz to 100kHz)

Quiescent current of 800µA

Enable and Power Good control features

Protection for over current, over temperature, UVLO

Product Advantages

High-efficiency linear voltage regulation

Low dropout for better performance under low input voltage conditions

Built-in protection features enhance safety and reliability

Good PSRR ensures stable output despite input voltage noise

Key Technical Parameters

Single regulator output

16V maximum input voltage

3V maximum voltage dropout at 500mA load

500mA maximum output current

800µA quiescent current

60dB ~ 52dB PSRR range

Quality and Safety Features

Protection against over current conditions

Thermal protection to prevent overheating

Under Voltage Lockout for stability

Compatibility

Compatible with surface mount technology

6-VDFN Exposed Pad package ensures ease of integration in circuit designs

Application Areas

Suitable for consumer electronics

Ideal for battery-powered devices

Used in power management solutions

Product Lifecycle

Product status is active

Not currently nearing discontinuation

Key Reasons to Choose This Product

Stable 3.3V output suitable for sensitive electronics

Low power consumption with minimal quiescent current

Reliability through robust built-in protection features

High PSRR for cleaner power supply

Widely compatible mounting and packaging options

Operates effectively across a wide temperature range from -40°C to 125°C

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics LDFM33PUR

Product Attribute LDFM33PUR LDFMPUR LDFMPVR LDFMPT-TR
Part Number LDFM33PUR LDFMPUR LDFMPVR LDFMPT-TR
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
Base Product Number LDFM33 LDFMPUR LDFMPVR LDFMPT
Protection Features Over Current, Over Temperature, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Under Voltage Lockout (UVLO) Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Current - Quiescent (Iq) 800 µA 800 µA 800 µA 800 µA
Output Type Fixed Adjustable Adjustable Adjustable
Control Features Enable, Power Good Enable, Power Good Enable, Power Good Enable, Power Good
Series - - - -
Supplier Device Package 6-DFN (3x3) 6-DFN (3x3) 6-DFN (2x2) PPAK
Voltage - Input (Max) 16V 16V 16V 16V
Output Configuration Positive Positive Positive Positive
Voltage - Output (Min/Fixed) 3.3V 0.8V 0.8V 0.8V
Package / Case 6-VDFN Exposed Pad 6-VDFN Exposed Pad 6-VDFN Exposed Pad TO-252-5, DPak (4 Leads + Tab), TO-252AD
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Voltage - Output (Max) - 12V 12V 12V
PSRR 60dB ~ 52dB (120Hz ~ 100kHz) 62dB ~ 55dB (120Hz ~ 10kHz) 62dB ~ 55dB (120Hz ~ 10kHz) 62dB ~ 55dB (120Hz ~ 10kHz)
Current - Output 500mA 500mA 500mA 500mA
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C
Number of Regulators 1 1 1 1
Voltage Dropout (Max) 0.3V @ 500mA 0.3V @ 500mA 0.3V @ 500mA 0.3V @ 500mA

LDFM33PUR Datasheet PDF

Download LDFM33PUR pdf datasheets and STMicroelectronics documentation for LDFM33PUR - STMicroelectronics.

PCN Assembly/Origin
Tape Model Change 26/May/2020.pdf
HTML Datasheet
LDFM(50).pdf

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
LDFM33PUR Image

LDFM33PUR

STMicroelectronics
32D-LDFM33PUR

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

0 RFQ
Shopping cart (0 Items)
It is empty.
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB