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LM1117SX-3.3 The Texas Instruments LM1117SX-3.3 is an 800mA linear voltage regulator with a fixed 3.3V output. It features a low dropout voltage and is available in a TO-263 package.
Mfr Part #:

LM1117SX-3.3

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM1117SX-3.3 is an 800mA linear voltage regulator with a fixed 3.3V output. It features a low dropout voltage and is available in a TO-263 package.
✓ Total Stock: 200,000 pcs
$ Price Range: $0.28

LM1117SX-3.3 Available from 1 distributor

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Romaks Technologies ✓
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200,000 pcs
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LM1117SX-3.3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Mounting Type
Operating Temperature
Output Current
Output Voltage
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LM1117SX-3.3 Description

Short technical summary and product information.

The LM1117SX-3.3 from Texas Instruments is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output. It can supply up to 800mA of current with a typical dropout voltage of 1.2V at full load.

 

This regulator offers good line and load regulation, with maximums of 0.2% and 0.4% respectively. It is designed for operation over a temperature range of 0°C to 125°C. The device includes internal current limiting and thermal shutdown for protection.

 

The LM1117SX-3.3 is supplied in a TO-263 surface-mount package, making it suitable for various electronic designs. A minimum of 10µF tantalum capacitor is recommended at the output for transient response and stability. This regulator is a reliable choice for power management in applications requiring a fixed 3.3V supply.

LM1117SX-3.3 Quick Information

Product Type: Linear Voltage Regulator
Series: LM1117
Canonical Name: LM1117SX-3.3 3.3V Linear Voltage Regulator
Subcategory: Low-Dropout (LDO) Regulators

LM1117SX-3.3 Compliance

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

LM1117SX-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.

LM1117SX-3.3 Features

  • Provides a stable 3.3V output voltage.
  • Maximum output current of 800mA.
  • Low dropout voltage of 1.2V.
  • Operates from 0°C to 125°C.
  • Surface mount TO-263 package.

LM1117SX-3.3 Applications

  • Powering sensitive electronics.
  • Post-regulation for switching supplies.
  • Battery-powered device applications.
  • Consumer electronics power rails.

LM1117SX-3.3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LM1117SX-3.3?

3.3V.

What is the maximum output current?

800mA.

What is the dropout voltage?

1.2V typical at 800mA load.

What is the operating temperature range?

0°C to 125°C.

What package is the LM1117SX-3.3 available in?

TO-263 surface mount package.

What are the line and load regulation values?

Line regulation 0.2% maximum, load regulation 0.4% maximum.

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