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LD1085D2M18R The STMicroelectronics LD1085D2M18R is a linear voltage regulator IC providing a fixed 1.8V output at up to 3A. It features a D2PAK-3 surface mount package.
Mfr Part #:

LD1085D2M18R

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD1085D2M18R is a linear voltage regulator IC providing a fixed 1.8V output at up to 3A. It features a D2PAK-3 surface mount package.
✓ Total Stock: 16,258 pcs
$ Price Range: $0.28

LD1085D2M18R Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
7,258 pcs
On Request
7258 pcs On Request 1 On Request On Request 18+ On Request On Request
Fe Components ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
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.

LD1085D2M18R 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 Current
Output Type
Output Voltage
PSRR
Protection Features
Quiescent Current
SVHC Present
Supplier Device Package
Supplier Package
Tape & Reel
Voltage
Voltage Dropout (Max)
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LD1085D2M18R Description

Short technical summary and product information.

The STMicroelectronics LD1085D2M18R is a positive, fixed output linear voltage regulator designed for power management applications. It delivers a stable 1.8V output voltage with a maximum output current of 3A.

 

Key electrical specifications include a maximum input voltage of 30V and a maximum voltage dropout of 1.5V at 3A. The quiescent current is 10 mA, and it offers a PSRR of 72dB at 120Hz. Protection features include over current and over temperature.

 

This component is housed in a D2PAK-3 (TO-263-4) surface mount package, suitable for automated assembly processes. The operating temperature range is -40°C to 125°C, making it suitable for a variety of environmental conditions.

 

It is categorized under Power Management (PMIC) and specifically within Voltage Regulators - Linear, Low Drop Out (LDO) Regulators. The part is compliant with RoHS3 standards.

LD1085D2M18R Quick Information

Product Type: Linear Voltage Regulator
Series: LD1085
Canonical Name: STMicroelectronics LD1085D2M18R Linear Voltage Regulator
Subcategory: Linear, Low Drop Out (LDO) Regulator

LD1085D2M18R Compliance

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

LD1085D2M18R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD1085D2M18R Features

  • Fixed 1.8V positive output.
  • Maximum output current of 3A.
  • Input voltage up to 30V.
  • D2PAK-3 surface mount package.
  • Operating temperature from -40°C to 125°C.

LD1085D2M18R Applications

  • Power supply regulation.
  • Voltage conversion circuits.
  • Embedded systems power.
  • Industrial control modules.

LD1085D2M18R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD1085D2M18R?

The fixed output voltage is 1.8V.

What is the maximum output current?

3A.

What is the dropout voltage?

Maximum dropout voltage is 1.5V at 3A.

What is the quiescent current?

10 mA.

What is the package type?

The package is D2PAK-3 (TO-263-4, D²Pak).

What is the operating temperature range?

-40°C to 125°C.

What protection features does it have?

Over current and over temperature protection.

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