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LD39020ADTPU28R The LD39020ADTPU28R is a linear voltage regulator from STMicroelectronics providing a fixed 2.8V output at 200mA. It features a low dropout voltage of 0.35V and is surface mounted in a 4-DFN package.
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LD39020ADTPU28R

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The LD39020ADTPU28R is a linear voltage regulator from STMicroelectronics providing a fixed 2.8V output at 200mA. It features a low dropout voltage of 0.35V and is surface mounted in a 4-DFN package.
✓ Total Stock: 10,000 pcs
$ Price Range: $0.28

LD39020ADTPU28R Available from 1 distributor

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LD39020ADTPU28R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LD39020ADTPU28R Description

Short technical summary and product information.

The LD39020ADTPU28R is a linear voltage regulator from STMicroelectronics designed to deliver a fixed 2.8V output voltage with a maximum output current of 200mA. It features a low dropout voltage of 0.35V typical at 200mA load, enabling efficient operation even with small input-to-output differentials. The device offers high Power Supply Rejection Ratio (PSRR) of 80dB at 1kHz, decreasing to 55dB at 100kHz, making it suitable for noise-sensitive applications.

 

This regulator includes an enable control pin and integrated protection features such as over current protection, over temperature protection, and soft start. The operating temperature range spans from -40°C to 125°C, allowing use in harsh environments. The device is available in a 4-DFN (1x1) or 4-XDFN Exposed Pad package, both surface mount, facilitating compact PCB designs.

LD39020ADTPU28R Quick Information

Product Type: Linear Voltage Regulator
Series: LD39020
Canonical Name: STMicroelectronics LD39020ADTPU28R - 2.8V 200mA Linear Voltage Regulator
Subcategory: Fixed Output Positive Voltage Regulator

LD39020ADTPU28R Compliance

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

LD39020ADTPU28R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD39020ADTPU28R Features

  • Fixed 2.8V output voltage.
  • 200mA maximum output current.
  • Low dropout voltage of 0.35V.
  • High PSRR of 80dB at 1kHz.
  • Integrated over current and thermal protection.

LD39020ADTPU28R Applications

  • Used in battery-powered portable devices.
  • Ideal for noise-sensitive analog circuits.
  • Suitable for powering low-voltage digital cores.
  • Applicable in industrial sensor modules.

LD39020ADTPU28R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD39020ADTPU28R?

2.8V fixed.

What is the maximum output current?

200mA.

What is the dropout voltage?

0.35V typical at 200mA.

What is the PSRR (Power Supply Rejection Ratio)?

80dB at 1kHz to 55dB at 100kHz.

What is the operating temperature range?

-40°C to 125°C.

What package is available?

4-DFN (1x1) and 4-XDFN Exposed Pad.

What protection features does it include?

Over current, over temperature, and soft start.

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