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LD1085D2M33R The STMicroelectronics LD1085D2M33R is a linear voltage regulator providing a fixed 3.3V output at up to 3A. It features a wide operating temperature range and over-current protection.
Mfr Part #:

LD1085D2M33R

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD1085D2M33R is a linear voltage regulator providing a fixed 3.3V output at up to 3A. It features a wide operating temperature range and over-current protection.
✓ Total Stock: 13,090 pcs
$ Price Range: $0.28

LD1085D2M33R Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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
Bristol Electronics ✓
Non-Authorised Inventory information
90 pcs
On Request
90 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.

LD1085D2M33R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Lead Style
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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LD1085D2M33R Description

Short technical summary and product information.

The LD1085D2M33R from STMicroelectronics is a linear voltage regulator designed for reliable power management. It delivers a stable 3.3V fixed output voltage and can supply up to 3A of current. This device is suitable for applications requiring a dependable positive voltage rail.

 

Key electrical characteristics include a maximum input voltage of 30V and a maximum voltage dropout of 1.5V at 3A. It also offers features such as over-current and over-temperature protection, enhancing system robustness. The quiescent current is rated at 10 mA, contributing to power efficiency.

 

This voltage regulator is housed in a TO-263-4, D²Pak (3 Leads + Tab), TO-263AA package, designed for surface mounting. The operating temperature range is from -40°C to 125°C, making it suitable for various environmental conditions. Its fixed output type and positive output configuration simplify circuit design for many applications.

LD1085D2M33R Quick Information

Product Type: Voltage Regulator - Linear
Canonical Name: LD1085D2M33R Voltage Regulator - Linear
Subcategory: Linear

LD1085D2M33R Compliance

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

LD1085D2M33R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD1085D2M33R Features

  • Fixed 3.3V positive output voltage.
  • Maximum output current of 3A.
  • Low voltage dropout of 1.5V at 3A.
  • Over-current and over-temperature protection.
  • Surface mount D2PAK-3 package.

LD1085D2M33R Applications

  • Power supply for embedded systems.
  • Post-regulation for DC-DC converters.
  • Industrial control and automation equipment.
  • Battery-powered portable devices.

LD1085D2M33R FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD1085D2M33R?

The fixed output voltage is 3.3V.

What is the maximum output current?

The maximum output current is 3A.

What is the dropout voltage of this regulator?

The maximum dropout voltage is 1.5V at 3A.

What is the operating temperature range?

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

What package is the LD1085D2M33R available in?

It is available in a TO-263-4 (D2Pak) surface-mount package.

What protection features does this regulator include?

It includes over-current and over-temperature protection.

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