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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearLDLN025PU33R
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LDLN025PU33R - STMicroelectronics

Manufacturer Part Number
LDLN025PU33R
Manufacturer
STMicroelectronics
Allelco Part Number
32D-LDLN025PU33R
ECAD Model
Parts Description
IC REG LINEAR 3.3V 250MA 4DFN
Package
4-XDFN Exposed Pad
Data sheet
LDLN025.pdf
RoHs Status
ROHS3 Compliant
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Specifications

LDLN025PU33R Tech Specifications
STMicroelectronics - LDLN025PU33R technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - LDLN025PU33R

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage Dropout (Max) 0.25V @ 250mA  
Voltage - Output (Min/Fixed) 3.3V  
Voltage - Output (Max) -  
Voltage - Input (Max) 5.5V  
Supplier Device Package 4-DFN (1x1)  
Series -  
Protection Features Over Current, Over Temperature, Short Circuit, Soft Start  
Package / Case 4-XDFN Exposed Pad  
Package Tape & Reel (TR)  
PSRR 80dB ~ 60dB (100Hz ~ 100KHz)  
Product Attribute Attribute Value  
Output Type Fixed  
Output Configuration Positive  
Operating Temperature -40°C ~ 125°C (TJ)  
Number of Regulators 1  
Mounting Type Surface Mount  
Current - Supply (Max) 425 µA  
Current - Quiescent (Iq) 25 µA  
Current - Output 250mA  
Control Features Enable  
Base Product Number LDLN025  

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

LDLN025PU33R

Manufacturer

STMicroelectronics

Introduction

LDLN025PU33R is a low dropout voltage regulator suitable for various applications requiring efficient power management.

Product Features and Performance

Positive fixed output configuration

Single regulator integration

Maximum Input Voltage: 5.5V

Fixed Output Voltage: 3.3V

Low Dropout Voltage: 0.25V at 250mA

Output Current Capacity: 250mA

Low Quiescent Current: 25 µA

Maximum Supply Current: 425 µA

Excellent Power Supply Rejection Ratio: 80dB to 60dB from 100Hz to 100KHz

Includes Enable control feature

Product Advantages

High efficiency for power-sensitive applications

Minimal power loss during voltage regulation

Low operating quiescent current for battery-powered devices

High PSRR reduces power supply noise impact

Key Technical Parameters

Current Output: 250mA

Current Quiescent (Iq): 25 µA

Voltage Dropout (Max): 0.25V @ 250mA

Power Supply Rejection Ratio (PSRR): 80dB ~ 60dB

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Soft Start feature to minimize inrush current impact

Compatibility

Compatible with the surface mount technology (SMT)

Mounting Type: Surface Mount

Package / Case: 4-XDFN Exposed Pad

Application Areas

Consumer Electronics

Industrial Automation

Telecommunications

Portable Devices

Product Lifecycle

Product Status: Active

Not nearing discontinuation

Standard availability for replacements or upgrades

Reasons to Choose This Product

High reliability and efficient voltage regulation from STMicroelectronics

Suitable for tight space applications due to its small 4-DFN (1x1) package

Low thermal resistance with exposed pad for better heat dissipation

Broad operating temperature range from -40°C to 125°C ensures performance in extreme conditions

Minimized risk with built-in safety features

Very low dropout enhances battery life for portable applications

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics LDLN025PU33R

Product Attribute LDLN025PU33R LDLN025M33R LDLN025PU25R LDLN025PU18R
Part Number LDLN025PU33R LDLN025M33R LDLN025PU25R LDLN025PU18R
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR)
PSRR 80dB ~ 60dB (100Hz ~ 100KHz) 80dB ~ 60dB (100Hz ~ 100KHz) 80dB ~ 60dB (100Hz ~ 100KHz) 80dB ~ 60dB (100Hz ~ 100KHz)
Voltage - Input (Max) 5.5V 5.5V 5.5V 5.5V
Voltage - Output (Min/Fixed) 3.3V 3.3V 2.5V 1.8V
Package / Case 4-XDFN Exposed Pad SC-74A, SOT-753 4-XDFN Exposed Pad 4-XDFN Exposed Pad
Voltage Dropout (Max) 0.25V @ 250mA 0.2V @ 250mA 0.25V @ 250mA 0.25V @ 250mA
Number of Regulators 1 1 1 1
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Base Product Number LDLN025 LDLN025 LDLN025 LDLN025
Protection Features Over Current, Over Temperature, Short Circuit, Soft Start Over Current, Over Temperature, Short Circuit, Soft Start Over Current, Over Temperature, Short Circuit, Soft Start Over Current, Over Temperature, Short Circuit, Soft Start
Voltage - Output (Max) - - - -
Output Configuration Positive Positive Positive Positive
Output Type Fixed Fixed Fixed Fixed
Control Features Enable Enable Enable Enable
Supplier Device Package 4-DFN (1x1) SOT-23-5 4-DFN (1x1) 4-DFN (1x1)
Current - Quiescent (Iq) 25 µA 25 µA 25 µA 25 µA
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Current - Output 250mA 250mA 250mA 250mA
Series - - - -
Current - Supply (Max) 425 µA 425 µA 425 µA 425 µA

LDLN025PU33R Datasheet PDF

Download LDLN025PU33R pdf datasheets and STMicroelectronics documentation for LDLN025PU33R - STMicroelectronics.

HTML Datasheet
LDLN025.pdf

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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.

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Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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LDLN025PU33R Image

LDLN025PU33R

STMicroelectronics
32D-LDLN025PU33R

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