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LDK320ADU120R The STMicroelectronics LDK320ADU120R is a linear voltage regulator designed for fixed positive output. It operates with an input voltage up to 18V and provides a low quiescent current of 90 µA.
Mfr Part #:

LDK320ADU120R

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LDK320ADU120R is a linear voltage regulator designed for fixed positive output. It operates with an input voltage up to 18V and provides a low quiescent current of 90 µA.
✓ Total Stock: 207,500 pcs
$ Price Range: $0.28

LDK320ADU120R Available from 2 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
7,500 pcs
On Request
7500 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.

LDK320ADU120R 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
Voltage
Voltage Dropout (Max)
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LDK320ADU120R Description

Short technical summary and product information.

The STMicroelectronics LDK320ADU120R is a linear voltage regulator IC with a fixed positive output. It is designed to operate with a maximum input voltage of 18V and offers a low quiescent current of 90 µA. The device features protection against over current and over temperature conditions, ensuring reliable operation.

 

Key electrical characteristics include a voltage dropout of 0.35V at 200mA and a PSRR ranging from 88dB to 48dB across a frequency range of 120Hz to 10kHz. This single regulator is suitable for various power management applications.

 

The LDK320ADU120R comes in a SOT-89 package, designed for surface mount applications. Its operating temperature range is -40°C to 125°C (TJ), making it suitable for a wide array of environmental conditions.

LDK320ADU120R Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LDK320ADU120R Voltage Regulator
Subcategory: Linear

LDK320ADU120R Compliance

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

LDK320ADU120R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LDK320ADU120R Features

  • Fixed positive linear voltage regulator.
  • Maximum input voltage of 18V.
  • Low 90 µA quiescent current.
  • Over current and over temperature protection.
  • Surface mount SOT-89 package.

LDK320ADU120R Applications

  • Power regulation for microcontroller and logic circuits.
  • Battery-powered portable electronic devices.
  • Industrial control systems requiring stable 12V rail.
  • Automotive electronics within -40°C to 125°C range.
  • Low-noise analog and sensor power supplies.

LDK320ADU120R FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum input voltage for the LDK320ADU120R?

The maximum input voltage is 18V.

What is the quiescent current of the LDK320ADU120R?

The quiescent current is 90 µA.

What is the voltage dropout for this linear regulator?

The voltage dropout is 0.35V at 200mA.

What are the protection features of the LDK320ADU120R?

It includes over current and over temperature protection.

What is the operating temperature range?

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

What package type is the LDK320ADU120R available in?

It is available in SOT-89 and TO-243AA packages.

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