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LD1117AS18TR The STMicroelectronics LD1117AS18TR is a linear voltage regulator providing a fixed 1.8V output at up to 1A. It features a low dropout voltage and is available in a surface-mount SOT-223 package.
Mfr Part #:

LD1117AS18TR

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD1117AS18TR is a linear voltage regulator providing a fixed 1.8V output at up to 1A. It features a low dropout voltage and is available in a surface-mount SOT-223 package.
✓ Total Stock: 319,729 pcs
$ Price Range: $0.28

LD1117AS18TR Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
301,000 pcs
On Request
301000 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
17,500 pcs
On Request
17500 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
1,004 pcs
On Request
1004 pcs On Request 1 On Request On Request 21+ On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
225 pcs
On Request
225 pcs On Request 1 On Request On Request On Request 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.

LD1117AS18TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Lead Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
SVHC Present
Supplier Device Package
Tape & Reel
Voltage
Voltage Dropout (Max)
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LD1117AS18TR Description

Short technical summary and product information.

The STMicroelectronics LD1117AS18TR is a positive fixed output linear voltage regulator designed for power management applications. It provides a stable 1.8V output voltage with a maximum output current of 1A. The regulator has a low dropout voltage of 1.3V at 1A, making it suitable for applications where efficient power usage is critical.

 

Key electrical characteristics include an input voltage range up to 15V and a quiescent current of 10 mA. It also offers protection features such as over-current and over-temperature protection, enhancing its reliability in various operating conditions. The PSRR is rated at 80dB at 120Hz.

 

This component is supplied in a SOT-223 surface-mount package, facilitating integration into compact electronic designs. The operating temperature range is from 0°C to 125°C, ensuring performance across a moderate thermal spectrum. The regulator is suitable for a wide array of electronic circuits requiring a reliable and efficient voltage regulation solution.

LD1117AS18TR Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: STMicroelectronics LD1117AS18TR Linear Voltage Regulator
Subcategory: Linear, Low Drop Out (LDO) Regulators

LD1117AS18TR Compliance

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

LD1117AS18TR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD1117AS18TR Features

  • Provides a fixed 1.8V output voltage.
  • Maximum output current of 1A.
  • Low dropout voltage of 1.3V.
  • Surface mount SOT-223 package.
  • Includes over-current protection.

LD1117AS18TR Applications

  • Ideal for power supply circuits.
  • Suitable for battery-powered devices.
  • Used in consumer electronics.
  • Applicable in industrial controls.

LD1117AS18TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD1117AS18TR?

The output voltage is fixed at 1.8V.

What package is the LD1117AS18TR available in?

It is available in a SOT-223 surface-mount package.

What is the operating temperature range?

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

What is the dropout voltage at 1A?

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

What is the maximum output current?

The maximum output current is 1A.

What is the quiescent current?

The quiescent current is 10 mA.

What protection features are included?

Over-current and over-temperature protection are included.

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