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LD39100PU33R The STMicroelectronics LD39100PU33R is a linear voltage regulator IC designed for efficient power management. It features a 3.3V output and a 1A current capability.
Mfr Part #:

LD39100PU33R

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD39100PU33R is a linear voltage regulator IC designed for efficient power management. It features a 3.3V output and a 1A current capability.
✓ Total Stock: 32,000 pcs
$ Price Range: $0.28

LD39100PU33R Available from 4 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
18,000 pcs
On Request
18000 pcs On Request 1 On Request On Request 18+ On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
10,000 pcs
On Request
10000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
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
Xingangxin ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 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.

LD39100PU33R 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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LD39100PU33R Description

Short technical summary and product information.

The STMicroelectronics LD39100PU33R is a linear voltage regulator IC belonging to the Voltage Regulators - Linear category. It is designed to provide a stable 3.3V output voltage with a maximum current capability of 1A. The device operates with an input voltage of up to 5.5V and features a low voltage dropout of 0.4V at 1A.

 

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

 

This component is housed in a compact 6-DFN (3x3) package and is designed for surface mount applications. It operates within a temperature range of -40°C to 125°C (TJ). The LD39100PU33R is suitable for various power management applications where a stable and reliable voltage supply is required.

LD39100PU33R Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: STMicroelectronics LD39100PU33R Linear Voltage Regulator
Subcategory: Linear

LD39100PU33R Compliance

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

LD39100PU33R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD39100PU33R Features

  • Provides a stable 3.3V output voltage.
  • Capable of delivering up to 1A current.
  • Low voltage dropout of 0.4V at 1A.
  • Integrated over current and over temperature protection.
  • Compact 6-DFN (3x3) surface mount package.

LD39100PU33R Applications

  • Ideal for power management circuits.
  • Suitable for battery-powered devices.
  • Used in portable electronic equipment.
  • Applicable in low-voltage systems.

LD39100PU33R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD39100PU33R?

The output voltage is fixed at 3.3V.

What is the maximum output current?

1A.

What package does the LD39100PU33R come in?

It is available in a 6-DFN (3x3) surface mount package.

What is the operating temperature range?

-40°C to 125°C (junction temperature).

What is the dropout voltage?

0.4V maximum at 1A load.

What protection features does it have?

Over current, over temperature, and short circuit protection.

Does it have enable and power good functions?

Yes, it includes enable and power good control features.

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