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LDK120M18R The STMicroelectronics LDK120M18R is a linear voltage regulator IC providing a fixed 1.8V output at up to 200mA. It is housed in a compact SOT-23-5 package.
Mfr Part #:

LDK120M18R

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LDK120M18R is a linear voltage regulator IC providing a fixed 1.8V output at up to 200mA. It is housed in a compact SOT-23-5 package.
✓ Total Stock: 217,176 pcs
$ Price Range: $0.28

LDK120M18R 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
200,000 pcs
On Request
200000 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
12,000 pcs
On Request
12000 pcs On Request 1 On Request On Request On Request On Request On Request
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
Smaxon Electronics ✓
Non-Authorised Inventory information
2,176 pcs
On Request
2176 pcs On Request 1 On Request On Request 17+ 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.

LDK120M18R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Protection Features
Supplier Device Package
Tape & Reel
Voltage
Voltage Dropout (Max)
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LDK120M18R Description

Short technical summary and product information.

The STMicroelectronics LDK120M18R is a positive, fixed output linear voltage regulator designed for various power management applications. It delivers a stable 1.8V output voltage with a maximum output current of 200mA.

 

Key electrical characteristics include a low dropout voltage of 0.3V at 200mA and a quiescent current of 60µA, making it suitable for power-sensitive designs. The regulator also features over current and over temperature protection for enhanced reliability. Its input voltage range extends up to 5.5V.

 

Packaged in a SOT-23-5 surface-mount case, the LDK120M18R is designed for easy integration into printed circuit boards. The operating temperature range is -40°C to 125°C, ensuring performance in demanding environments. This component is ideal for applications requiring a reliable and efficient voltage regulation solution.

LDK120M18R Quick Information

Product Type: Linear Voltage Regulator
Series: LDK120
Canonical Name: STMicroelectronics LDK120M18R Linear Voltage Regulator
Subcategory: Linear Voltage Regulators

LDK120M18R Compliance

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

LDK120M18R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LDK120M18R Features

  • Fixed 1.8V output voltage.
  • 200mA maximum output current.
  • Low 0.3V dropout voltage.
  • Surface mount SOT-23-5 package.
  • Over current and over temperature protection.

LDK120M18R Applications

  • Power supply for portable devices.
  • Voltage regulation in embedded systems.
  • Low power electronic circuits.
  • General purpose voltage regulation.

LDK120M18R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LDK120M18R?

The output voltage is fixed at 1.8V.

What is the maximum input voltage?

The maximum input voltage is 5.5V.

What is the output current capability?

The regulator can deliver up to 200mA.

What is the dropout voltage at 200mA?

The maximum dropout voltage is 0.3V at 200mA output current.

What is the quiescent current?

The quiescent current is 60µA.

What is the operating temperature range?

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

What package is the LDK120M18R available in?

It is available in SOT-23-5 (also specified as SC-74A, SOT-753) surface-mount package.

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