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LDK220C50R The STMicroelectronics LDK220C50R is a linear voltage regulator providing a fixed 5V output at up to 200mA. It is designed for surface mount applications.
Mfr Part #:

LDK220C50R

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LDK220C50R is a linear voltage regulator providing a fixed 5V output at up to 200mA. It is designed for surface mount applications.
✓ Total Stock: 17,000 pcs
$ Price Range: $0.28

LDK220C50R Available from 2 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
9,000 pcs
On Request
9000 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
8,000 pcs
On Request
8000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
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.

LDK220C50R 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 Type
PSRR
Protection Features
SVHC Present
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LDK220C50R Description

Short technical summary and product information.

The STMicroelectronics LDK220C50R is a linear voltage regulator IC designed for power management applications. It provides a stable, fixed 5V output voltage with a maximum output current capability of 200mA. The device features a low dropout voltage of 0.35V at 200mA, making it efficient for battery-powered devices.

 

Key electrical characteristics include a quiescent current of 90 µA and a PSRR of 55dB to 50dB across a frequency range of 120Hz to 10kHz. Protection features such as over current and over temperature shutdown are integrated to enhance reliability. The regulator operates over a wide temperature range of -40°C to 125°C.

 

Packaged in a compact SOT-323-5 surface mount case, the LDK220C50R is suitable for space-constrained designs. Its positive output configuration and enable control feature make it versatile for various circuit designs. The RoHS3 compliant status indicates adherence to environmental regulations.

LDK220C50R Quick Information

Product Type: Linear Voltage Regulator
Series: LDK220
Canonical Name: LDK220C50R Linear Voltage Regulator
Subcategory: Linear

LDK220C50R Compliance

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

LDK220C50R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LDK220C50R Features

  • Fixed 5V output voltage.
  • 200mA maximum output current.
  • Low 0.35V dropout voltage.
  • Surface mount SOT-323-5 package.
  • Over current and over temperature protection.

LDK220C50R Applications

  • Ideal for battery-powered devices.
  • Suitable for portable electronics.
  • Used in power supply circuits.
  • General purpose voltage regulation.

LDK220C50R FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LDK220C50R?

The LDK220C50R provides a fixed 5V output voltage.

What is the maximum output current for the LDK220C50R?

The LDK220C50R can supply a maximum output current of 200mA.

What is the dropout voltage of the LDK220C50R at 200mA?

The dropout voltage is 0.35V at 200mA.

What are the operating temperature limits for the LDK220C50R?

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

What package type is the LDK220C50R available in?

The LDK220C50R is available in a SOT-323-5 package.

Does the LDK220C50R have over current protection?

Yes, the LDK220C50R includes over current protection.

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