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LDL1117S25R The STMicroelectronics LDL1117S25R is a linear voltage regulator with a fixed 2.5V output and a 1.2A current capability. It is designed for surface mount applications in a SOT-223 package.
Mfr Part #:

LDL1117S25R

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LDL1117S25R is a linear voltage regulator with a fixed 2.5V output and a 1.2A current capability. It is designed for surface mount applications in a SOT-223 package.
✓ Total Stock: 35,000 pcs
$ Price Range: $0.28

LDL1117S25R Available from 1 distributor

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✓ Non-Authorised
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35,000 pcs
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LDL1117S25R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Lead Spacing
Lead Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LDL1117S25R Description

Short technical summary and product information.

The STMicroelectronics LDL1117S25R is a positive fixed output linear voltage regulator. It provides a stable 2.5V output voltage with a maximum output current of 1.2A. The device features a low voltage dropout of 0.6V at 1.2A, making it suitable for applications where efficient power regulation is critical.

 

Designed for surface mount applications, the LDL1117S25R comes in a SOT-223 package. It operates within a temperature range of -40°C to 125°C (TJ) and includes protection features such as over current, over temperature, and under voltage lockout (UVLO).

 

With a PSRR ranging from 87dB to 65dB across a frequency range of 120Hz to 100kHz, this regulator is effective at filtering noise. The quiescent current is 500 µA, contributing to power efficiency in various electronic systems.

LDL1117S25R Quick Information

Product Type: Voltage Regulator
Series: LDL1117
Canonical Name: LDL1117S25R Low Drop Out Voltage Regulator
Subcategory: Low Drop Out (LDO) Regulators

LDL1117S25R Compliance

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

LDL1117S25R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LDL1117S25R Features

  • Fixed 2.5V positive output voltage.
  • 1.2A maximum output current.
  • Low 0.6V dropout voltage.
  • SOT-223 surface mount package.
  • Over current and over temperature protection.

LDL1117S25R Applications

  • Power supplies for electronic devices.
  • Voltage regulation in portable equipment.
  • Post-regulation for switching power supplies.
  • Battery-powered system power management.

LDL1117S25R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LDL1117S25R?

The fixed output voltage is 2.5V.

What is the maximum output current?

The maximum output current is 1.2A.

What is the dropout voltage?

The maximum dropout voltage is 0.6V at 1.2A load.

What is the operating temperature range?

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

What package is the LDL1117S25R available in?

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

What protection features does the regulator include?

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

What is the power supply rejection ratio (PSRR)?

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

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