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LD1117ADT25TR LD1117ADT25TR is a fixed 2.5V output linear voltage regulator from STMicroelectronics capable of delivering 1A with a maximum dropout voltage of 1.3V.
Mfr Part #:

LD1117ADT25TR

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
LD1117ADT25TR is a fixed 2.5V output linear voltage regulator from STMicroelectronics capable of delivering 1A with a maximum dropout voltage of 1.3V.
✓ Total Stock: 4,692 pcs
$ Price Range: $0.28

LD1117ADT25TR Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Hybrid Electronics ✓
Non-Authorised Inventory information
4,692 pcs
On Request
4692 pcs On Request 1 On Request On Request 747 On Request On Request
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LD1117ADT25TR 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 Type
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LD1117ADT25TR Description

Short technical summary and product information.

The LD1117ADT25TR is a low dropout linear voltage regulator from STMicroelectronics designed to provide a fixed 2.5V output voltage. It can deliver up to 1A of output current with a maximum dropout voltage of 1.3V at full load, making it suitable for applications requiring a stable low-voltage supply from a higher input rail.

 

This regulator features a typical quiescent current of 10 mA and offers a power supply rejection ratio (PSRR) of 80 dB at 120 Hz, ensuring clean output for noise-sensitive circuits. Built-in protection features include over-current and over-temperature shutdown, enhancing reliability in demanding environments.

 

The device is housed in a surface-mount TO-252-3 (DPak) package with a tab for heat dissipation. It operates over a temperature range of 0°C to 125°C and is available in tape and reel packaging for automated assembly.

LD1117ADT25TR Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LD1117ADT25TR Linear Voltage Regulator
Subcategory: Positive Fixed Output

LD1117ADT25TR Compliance

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

LD1117ADT25TR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD1117ADT25TR Features

  • Fixed 2.5V output voltage regulator.
  • 1A maximum output current capability.
  • 1.3V maximum dropout voltage at 1A.
  • 80 dB PSRR at 120 Hz.
  • Over-current and over-temperature protection.

LD1117ADT25TR Applications

  • Used in post-regulation for power supplies.
  • Ideal for battery-powered equipment.
  • Suitable for low-voltage logic circuits.
  • Applicable in industrial control systems.

LD1117ADT25TR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD1117ADT25TR?

The fixed output voltage is 2.5V.

What is the maximum output current?

The maximum output current is 1A.

What is the dropout voltage of this regulator?

The maximum dropout voltage is 1.3V at 1A output current.

What is the operating temperature range?

The operating temperature range is 0°C to 125°C.

What package is the LD1117ADT25TR available in?

It is available in a surface mount TO-252-3 (DPak) package.

What protection features does this regulator include?

It includes over-current and over-temperature protection.

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