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LD39100PU12R The STMicroelectronics LD39100PU12R is a linear voltage regulator providing a fixed 1.2V output at up to 1A. It is designed for surface mount applications.
Mfr Part #:

LD39100PU12R

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD39100PU12R is a linear voltage regulator providing a fixed 1.2V output at up to 1A. It is designed for surface mount applications.
✓ Total Stock: 3,574 pcs
$ Price Range: $0.28

LD39100PU12R Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request On Request On Request On Request
Rayichip ✓
Non-Authorised Inventory information
574 pcs
On Request
574 pcs On Request 1 On Request On Request On Request On Request On Request
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LD39100PU12R 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
Tape & Reel
Voltage
Voltage Dropout (Max)
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LD39100PU12R Description

Short technical summary and product information.

The STMicroelectronics LD39100PU12R is a high-performance linear voltage regulator designed for various power management applications. It offers a fixed output voltage of 1.2V and can supply a current of up to 1A. The device operates with a wide input voltage range up to 5.5V and features a low dropout voltage of 0.4V at 1A, ensuring efficient power delivery.

 

Key electrical characteristics include a quiescent current of 50 µA and a PSRR of 65dB to 62dB across the 1kHz to 10kHz frequency range. Protection features such as over current, over temperature, and short circuit protection are integrated to enhance reliability and system safety. The regulator also includes Enable and Power Good control features.

 

Packaged in a compact 6-DFN (3x3) footprint, the LD39100PU12R is suitable for surface mounting. Its operating temperature range is from -40°C to 125°C, making it robust for demanding environments. The component is RoHS3 compliant and has an MSL of 1, indicating unlimited shelf life under standard conditions.

LD39100PU12R Quick Information

Product Type: Linear Voltage Regulator
Series: LD39100
Canonical Name: LD39100PU12R STMicroelectronics Linear Voltage Regulator
Subcategory: Linear

LD39100PU12R Compliance

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

LD39100PU12R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD39100PU12R Features

  • Fixed 1.2V output voltage.
  • 1A maximum output current.
  • Low 0.4V dropout voltage.
  • Integrated over current protection.
  • Surface mount 6-DFN package.

LD39100PU12R Applications

  • Ideal for battery-powered devices.
  • Suitable for portable electronics.
  • Used in power supply circuits.
  • Applications requiring stable voltage.
  • Compact design integration.

LD39100PU12R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD39100PU12R?

The output voltage is fixed at 1.2V.

What is the dropout voltage of the LD39100PU12R?

The typical dropout voltage is 0.4V at 1A load.

What is the operating temperature range of the LD39100PU12R?

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

What package does the LD39100PU12R come in?

It comes in a 6-VDFN exposed pad package (6-DFN 3x3 mm).

What protection features does the LD39100PU12R include?

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

What is the quiescent current of the LD39100PU12R?

The quiescent current is 50 µA.

What is the PSRR of the LD39100PU12R?

The PSRR is 65 dB to 62 dB over the 1 kHz to 10 kHz range.

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