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LDK120C18R The STMicroelectronics LDK120C18R is a linear voltage regulator providing a fixed 1.8V output at up to 200mA. It is designed for surface mount applications in a SOT-323-5 package.
Mfr Part #:

LDK120C18R

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LDK120C18R is a linear voltage regulator providing a fixed 1.8V output at up to 200mA. It is designed for surface mount applications in a SOT-323-5 package.
✓ Total Stock: 38,224 pcs
$ Price Range: $0.28

LDK120C18R Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
24,000 pcs
On Request
24000 pcs On Request 1 On Request On Request 16+ 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
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,224 pcs
On Request
2224 pcs On Request 1 On Request On Request 21+ 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.

LDK120C18R 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
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LDK120C18R Description

Short technical summary and product information.

The STMicroelectronics LDK120C18R is a linear voltage regulator IC designed for power management applications. It provides a stable, fixed output voltage of 1.8V and can supply up to 200mA of current. The regulator features a low voltage dropout of 0.3V at 200mA, making it efficient for battery-powered devices.

 

Key electrical characteristics include a PSRR of 55dB at 120Hz to 10kHz, indicating good noise rejection. The device operates over a temperature range of -40°C to 125°C. Protection features such as over current and over temperature are integrated for enhanced reliability.

 

This component is housed in a SOT-323-5 package, suitable for surface mount assembly. Its positive output configuration and enable control feature make it versatile for various circuit designs. The LDK120C18R is a single-regulator solution, ideal for applications requiring a reliable and compact voltage regulation.

 

Compliance information indicates RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status, though these are currently unverified.

LDK120C18R Quick Information

Product Type: Linear Voltage Regulator
Series: LDK120
Canonical Name: STMicroelectronics LDK120C18R Linear Voltage Regulator
Subcategory: Linear

LDK120C18R Compliance

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

LDK120C18R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LDK120C18R Features

  • Fixed 1.8V output voltage.
  • 200mA maximum output current.
  • Low 0.3V dropout voltage.
  • Over current and over temperature protection.
  • Surface mount SOT-323-5 package.

LDK120C18R Applications

  • Ideal for portable electronic devices.
  • Suitable for battery-powered applications.
  • Used in low-power circuit designs.
  • Provides stable voltage regulation.
  • General purpose power management.

LDK120C18R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LDK120C18R?

The LDK120C18R provides a fixed output voltage of 1.8V.

What is the maximum output current of the LDK120C18R?

The maximum output current is 200mA.

What is the dropout voltage of the LDK120C18R?

The typical dropout voltage is 0.3V at 200mA load.

What is the operating temperature range of the LDK120C18R?

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

What package is the LDK120C18R available in?

The LDK120C18R is available in a SOT-323-5 package (also known as 5-TSSOP, SC-70-5, SOT-353).

Does the LDK120C18R have enable control?

Yes, the LDK120C18R includes an enable control feature.

What protection features does the LDK120C18R include?

The LDK120C18R includes over current and over temperature protection.

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