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LD39050PUR The STMicroelectronics LD39050PUR is a linear voltage regulator with an adjustable output and 500mA capability. It is designed for surface mount applications in a 6-DFN package.
Mfr Part #:

LD39050PUR

Available from 5 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD39050PUR is a linear voltage regulator with an adjustable output and 500mA capability. It is designed for surface mount applications in a 6-DFN package.
✓ Total Stock: 171,920 pcs
$ Price Range: $0.28

LD39050PUR Available from 5 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
74,000 pcs
On Request
74000 pcs On Request 1 On Request On Request 1326+ On Request On Request
Romaks Technologies ✓
Non-Authorised Inventory information
72,320 pcs
On Request
72320 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
15,000 pcs
On Request
15000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Optech Co.,Limited ✓
Non-Authorised Inventory information
9,070 pcs
On Request
9070 pcs On Request 1 On Request On Request 21+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,530 pcs
On Request
1530 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LD39050PUR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Lead Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Package / Case
Protection Features
SVHC Present
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LD39050PUR Description

Short technical summary and product information.

The STMicroelectronics LD39050PUR is a positive, adjustable linear voltage regulator designed for efficient power management. It offers a stable 5.1V output with a maximum dropout voltage of 0.4V at 500mA, making it suitable for various power supply applications.

 

This device features low quiescent current of 50 µA and includes essential protection features such as over current, over temperature, and short circuit protection. The PSRR is rated between 65dB and 62dB from 1kHz to 10kHz, ensuring clean power delivery. It operates within a temperature range of -40°C to 125°C.

 

The LD39050PUR is supplied in a compact 6-DFN (3x3) package, specifically a 6-VDFN Exposed Pad, designed for surface mounting. Its adjustable output and control features like Enable and Power Good make it a versatile component for electronic designs requiring reliable voltage regulation.

LD39050PUR Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LD39050PUR Linear Voltage Regulator
Subcategory: Linear

LD39050PUR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LD39050PUR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

LD39050PUR Features

  • Adjustable positive linear voltage regulator.
  • 500mA output current capability.
  • Low 0.4V dropout voltage at 500mA.
  • Surface mount 6-DFN (3x3) package.
  • Includes over current and over temperature protection.

LD39050PUR Applications

  • Suitable for portable electronic devices.
  • Used in power management circuits.
  • Ideal for applications requiring stable voltage.
  • Enables efficient power delivery.

LD39050PUR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD39050PUR?

The output voltage is 5.1V.

What is the dropout voltage of the LD39050PUR?

The maximum dropout voltage is 0.4V at 500mA load.

What is the quiescent current of the LD39050PUR?

The quiescent current is 50 µA.

What is the operating temperature range of the LD39050PUR?

The operating temperature range is -40°C to 125°C.

What protection features does the LD39050PUR include?

It includes over-current, over-temperature, and short-circuit protection.

What package is the LD39050PUR available in?

It is available in a 6-DFN (3x3mm) surface-mount package with exposed pad.

Does the LD39050PUR have an enable function?

Yes, it includes an enable control feature.

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