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LM1085ISX-3.3 The Texas Instruments LM1085ISX-3.3 is a 3A, 3.3V fixed output linear voltage regulator. It is designed for surface mount applications in a DDPAK/TO-263-3 package.
Mfr Part #:

LM1085ISX-3.3

Available from 4 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM1085ISX-3.3 is a 3A, 3.3V fixed output linear voltage regulator. It is designed for surface mount applications in a DDPAK/TO-263-3 package.
✓ Total Stock: 2,794 pcs
$ Price Range: $0.28

LM1085ISX-3.3 Available from 4 distributors

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LM1085ISX-3.3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Current
Mounting Type
Noise
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Storage Temperature
Supplier Device Package
Supplier Package
Tape & Reel
Voltage
Voltage Dropout (Max)
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LM1085ISX-3.3 Description

Short technical summary and product information.

The LM1085ISX-3.3 from Texas Instruments is a linear voltage regulator capable of delivering up to 3A of output current with a fixed 3.3V output. It operates within an input voltage range of 2.6V to 29V, with a maximum dropout voltage of 1.5V at 3A. The regulator features over-current and over-temperature protection.

 

This device is suitable for applications requiring stable voltage regulation, offering typical line regulation of 0.015% and load regulation of 0.1%. It has a low noise output of 38 µVrms and a PSRR of 30 dB at 100 KHz.

 

The LM1085ISX-3.3 is available in a surface mount DDPAK/TO-263-3 package, making it suitable for various electronic designs. The operating temperature range is -40°C to 125°C (TJ). Fixed output voltage versions, like this 3.3V model, integrate the necessary adjust resistors for simplified circuit design.

LM1085ISX-3.3 Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LM1085ISX-3.3 3-A, 29-V, Linear Voltage Regulator
Subcategory: Linear

LM1085ISX-3.3 Compliance

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

LM1085ISX-3.3 Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LM1085ISX-3.3 Features

  • 3A maximum output current capability.
  • Fixed 3.3V output voltage.
  • Wide 2.6V to 29V input voltage range.
  • Surface mount DDPAK/TO-263-3 package.
  • Over-current and over-temperature protection.

LM1085ISX-3.3 Applications

  • Ideal for post-regulation in power supplies.
  • Used in networking and telecom equipment.
  • Suitable for industrial control systems.
  • Applicable in battery-powered devices requiring stable 3.3V.
  • Point-of-load regulation for FPGAs and ASICs.

LM1085ISX-3.3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the LM1085ISX-3.3?

2.6V to 29V.

What package is the LM1085ISX-3.3 available in?

Surface mount DDPAK/TO-263-3 (also known as TO-263-4, D²Pak).

What is the operating temperature range?

-40°C to 125°C.

What is the maximum output current?

3A.

What is the typical dropout voltage?

1300 mV.

What protection features does the LM1085ISX-3.3 include?

Over current and over temperature protection.

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