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LDL1117S33R The LDL1117S33R from STMicroelectronics is a linear voltage regulator providing a fixed 3.3V output with a 1.2A current capability. It is housed in a surface-mount SOT-223 package.
Mfr Part #:

LDL1117S33R

Available from 7 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The LDL1117S33R from STMicroelectronics is a linear voltage regulator providing a fixed 3.3V output with a 1.2A current capability. It is housed in a surface-mount SOT-223 package.
✓ Total Stock: 270,108 pcs
$ Price Range: $0.28

LDL1117S33R Available from 7 distributors

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✓ Non-Authorised
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.

LDL1117S33R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LDL1117S33R Description

Short technical summary and product information.

The LDL1117S33R is a linear, low dropout voltage regulator manufactured by STMicroelectronics. It is designed to provide a stable 3.3V output voltage with a maximum output current of 1.2A. The device features a low quiescent current of 500 µA and an input voltage rating of up to 18V.

 

Key electrical characteristics include a voltage dropout of 0.6V at 1.2A and a Power Supply Rejection Ratio (PSRR) ranging from 87dB to 65dB across a frequency band of 120Hz to 100kHz. Protection features include over current, over temperature, and under voltage lockout (UVLO).

 

This regulator is suitable for surface mount applications and comes in a SOT-223 package. The operating temperature range is from -40°C to 125°C, making it suitable for industrial environments. It is classified as RoHS3 compliant.

LDL1117S33R Quick Information

Product Type: Linear Voltage Regulator
Series: LDL1117
Canonical Name: LDL1117S33R Linear Low Dropout Voltage Regulator
Subcategory: Linear

LDL1117S33R Compliance

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

LDL1117S33R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LDL1117S33R Features

  • Fixed 3.3V output voltage.
  • 1.2A maximum output current.
  • Low 0.6V dropout voltage.
  • Wide -40°C to 125°C operating temperature.
  • Surface mount SOT-223 package.

LDL1117S33R Applications

  • Powering sensitive electronic circuits.
  • Battery-powered device applications.
  • Post-regulation for switching supplies.
  • Industrial control systems.

LDL1117S33R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LDL1117S33R?

The output voltage is fixed at 3.3V.

What package is the LDL1117S33R available in?

It is available in a surface-mount SOT-223 package (TO-261-4, TO-261AA).

What is the operating temperature range?

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

What is the dropout voltage of the LDL1117S33R?

The typical dropout voltage is 0.6V at 1.2A output current.

What protection features does the LDL1117S33R include?

It includes over current, over temperature, and under voltage lockout (UVLO) protection.

What is the quiescent current of the LDL1117S33R?

The quiescent current is 500 µA.

What is the PSRR of the LDL1117S33R?

The PSRR is 87dB at 120Hz and 65dB at 100kHz.

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