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LD39020ADTPU21R The STMicroelectronics LD39020ADTPU21R is a linear voltage regulator providing a fixed 2.1V output at up to 200mA. It features a low quiescent current and operates over a wide temperature range.
Mfr Part #:

LD39020ADTPU21R

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD39020ADTPU21R is a linear voltage regulator providing a fixed 2.1V output at up to 200mA. It features a low quiescent current and operates over a wide temperature range.
✓ Total Stock: 10,000 pcs
$ Price Range: $0.28

LD39020ADTPU21R Available from 1 distributor

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LD39020ADTPU21R 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 Current
Output Type
Output Voltage
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LD39020ADTPU21R Description

Short technical summary and product information.

The STMicroelectronics LD39020ADTPU21R is a linear voltage regulator designed for efficient power management. It provides a stable 2.1V output voltage with a maximum output current of 200mA. The device operates with a low quiescent current of 40 µA, making it suitable for power-sensitive applications.

 

Key electrical characteristics include a maximum input voltage of 5.5V and a voltage dropout of 0.35V at 200mA. Protection features such as over current, over temperature, and soft start are integrated for enhanced reliability. The regulator also offers good Power Supply Rejection Ratio (PSRR) across a frequency range of 1kHz to 100kHz.

 

This component is housed in a compact 4-DFN (1x1) package with a surface mount type, facilitating integration into space-constrained designs. The operating temperature range is from -40°C to 125°C (TJ), ensuring performance in various environmental conditions. The output is fixed and configured as positive, with an enable control feature for power sequencing.

 

Compliance information indicates RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status, though these are based on precomputed data with low confidence and should be verified.

LD39020ADTPU21R Quick Information

Product Type: Linear Voltage Regulator
Series: LD39020
Canonical Name: LD39020ADTPU21R Linear Voltage Regulator
Subcategory: Linear

LD39020ADTPU21R Compliance

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

LD39020ADTPU21R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD39020ADTPU21R Features

  • Fixed 2.1V output voltage.
  • 200mA maximum output current.
  • Low 40 µA quiescent current.
  • Wide -40°C to 125°C operating temperature.
  • Compact 4-DFN (1x1) surface mount package.

LD39020ADTPU21R Applications

  • Ideal for portable electronic devices.
  • Suitable for low power applications.
  • Used in battery-powered systems.
  • Power management for IoT devices.

LD39020ADTPU21R FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD39020ADTPU21R?

The output voltage is fixed at 2.1V.

What is the maximum output current?

The maximum output current is 200mA.

What is the dropout voltage at 200mA?

The dropout voltage is 0.35V at 200mA.

What is the operating temperature range?

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

What package is the LD39020ADTPU21R available in?

It is available in a 4-DFN (1x1) package with an exposed pad.

What protection features does this regulator include?

It includes over-current, over-temperature, and soft-start protection.

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