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LK112M18TR The STMicroelectronics LK112M18TR is a linear voltage regulator designed for efficient power management. It provides a fixed 1.8V output with a quiescent current of 250µA.
Mfr Part #:

LK112M18TR

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LK112M18TR is a linear voltage regulator designed for efficient power management. It provides a fixed 1.8V output with a quiescent current of 250µA.
✓ Total Stock: 24,610 pcs
$ Price Range: $0.28

LK112M18TR 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
15,000 pcs
On Request
15000 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Flip Electronics ✓
Non-Authorised Inventory information
3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
2,610 pcs
On Request
2610 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.

LK112M18TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
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
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LK112M18TR Description

Short technical summary and product information.

The STMicroelectronics LK112M18TR is a linear voltage regulator featuring a fixed 1.8V output voltage and a maximum output current capability of 150mA, as indicated by its introductory text. It operates with a low quiescent current of 250µA, making it suitable for power-sensitive applications. The device includes protection features such as over current and over temperature shutdown, enhancing its reliability.

 

This regulator is housed in a SOT-23-5 package, designed for surface mount applications. Its operating temperature range is from -30°C to 125°C. The LK112M18TR offers a PSRR of 55dB at 400Hz and has an enable control feature. It is classified under the Voltage Regulators - Linear category, part of the Power Management PMIC family.

 

Key electrical characteristics include a 14V maximum input voltage and a positive output configuration. The regulator's fixed output type and enable control make it a versatile component for various electronic designs requiring stable voltage regulation.

LK112M18TR Quick Information

Product Type: Voltage Regulator - Linear
Series: LK112
Canonical Name: LK112M18TR Linear Voltage Regulator
Subcategory: Linear

LK112M18TR Compliance

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

LK112M18TR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LK112M18TR Features

  • Fixed 1.8V output voltage.
  • Low 250µA quiescent current.
  • Over current and over temperature protection.
  • Surface mount SOT-23-5 package.
  • Enable control feature included.

LK112M18TR Applications

  • Battery-powered portable electronics.
  • Low-power microcontroller power supplies.
  • Space-constrained SMD applications.
  • Industrial control systems up to 125°C.
  • Consumer devices requiring 1.8V rail.

LK112M18TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LK112M18TR?

The fixed output voltage is 1.8V.

What package is the LK112M18TR available in?

It is available in SOT-23-5 (SC-74A) package.

What is the operating temperature range?

The operating temperature range is -30°C to 125°C.

What is the quiescent current of the LK112M18TR?

The quiescent current is 250µA.

What protection features does the LK112M18TR include?

It includes over current and over temperature protection.

What is the PSRR of the LK112M18TR?

The PSRR is 55dB at 400Hz.

Does the LK112M18TR have an enable control?

Yes, it has an enable control feature.

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