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LDL1117S50R The STMicroelectronics LDL1117S50R is a fixed 5V linear voltage regulator designed for 1.2A output current. It features a SOT-223 surface mount package.
Mfr Part #:

LDL1117S50R

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LDL1117S50R is a fixed 5V linear voltage regulator designed for 1.2A output current. It features a SOT-223 surface mount package.
✓ Total Stock: 116,308 pcs
$ Price Range: $0.28

LDL1117S50R Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
95,000 pcs
On Request
95000 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
20,000 pcs
On Request
20000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Xingangxin ✓
Non-Authorised Inventory information
1,077 pcs
On Request
1077 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
231 pcs
On Request
231 pcs On Request 1 On Request On Request 21+ 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.

LDL1117S50R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Operating Voltage
Output Configuration
Output Type
PSRR
Protection Features
SVHC Present
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LDL1117S50R Description

Short technical summary and product information.

The STMicroelectronics LDL1117S50R is a linear voltage regulator IC providing a fixed 5V output voltage. It is capable of delivering up to 1.2A of output current with a typical voltage dropout of 0.6V at 1.2A. The device operates within a temperature range of -40°C to 125°C (TJ).

 

This regulator is housed in a SOT-223 surface mount package, making it suitable for various electronic designs. Key protection features include over current, over temperature, and under voltage lockout (UVLO). The PSRR is rated between 87dB and 65dB across a frequency range of 120Hz to 100kHz.

 

With its fixed positive output and robust protection mechanisms, the LDL1117S50R is a reliable choice for power management applications requiring a stable 5V supply. Its surface mount capability facilitates integration into compact PCB layouts.

LDL1117S50R Quick Information

Product Type: Linear Voltage Regulator
Series: LDL1117
Canonical Name: STMicroelectronics LDL1117S50R Linear Voltage Regulator
Subcategory: PMIC

LDL1117S50R Compliance

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

LDL1117S50R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LDL1117S50R Features

  • Fixed 5V positive linear voltage regulator.
  • 1.2A maximum output current capability.
  • Low 0.6V typical voltage dropout.
  • Wide -40°C to 125°C operating temperature.
  • SOT-223 surface mount package.

LDL1117S50R Applications

  • Provides stable 5V power supply.
  • Suitable for battery-powered devices.
  • Used in compact electronic designs.
  • Offers overcurrent and overtemperature protection.

LDL1117S50R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of LDL1117S50R?

The output voltage is fixed at 5V.

What is the maximum output current?

The maximum output current is 1.2A.

What is the dropout voltage?

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

What is the operating temperature range?

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

What is the package type?

The package is SOT-223 (also referred to as TO-261-4, TO-261AA).

What protection features does it include?

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

What is the maximum input voltage?

The maximum input voltage is 18V.

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