Mfr Part #:

LDK320ADU30R

The STMicroelectronics LDK320ADU30R is a linear voltage regulator with a fixed 3V output and a 200mA current capability. It is designed for surface mount applications.

✓ Total Stock: 10,000 pcs

$ Price Range: $0.28

LDK320ADU30R 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	5,000 pcs On Request	5000 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Risen Electronics ✓ Non-Authorised Inventory information	5,000 pcs On Request	5000 pcs	On Request	1	On Request	On Request	On Request	On Request	2026-02-16 21:33:16

LDK320ADU30R Description

Short technical summary and product information.

The LDK320ADU30R from STMicroelectronics is a linear voltage regulator IC. It provides a fixed output voltage of 3V and can supply up to 200mA of current. The device accepts an input voltage up to 18V and features a low dropout voltage of 0.35V at 200mA.

Key electrical characteristics include a quiescent current of 90 µA and a maximum supply current of 100 µA. Protection features include over-current and over-temperature protection. The regulator operates over a wide temperature range of -40°C to 125°C (TJ).

This component is supplied in a TO-243AA package, also known as SOT-89, suitable for surface mounting. The package is available in Tape & Reel or Cut Tape options, facilitating automated assembly processes.

LDK320ADU30R Quick Information

Product Type: Voltage Regulator - Linear

Canonical Name: LDK320ADU30R Voltage Regulator - Linear 3V 200mA

Subcategory: Linear

LDK320ADU30R Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

LDK320ADU30R Estimated Pricing

Qty	Low	High
1+	$0.28	$0.28

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

LDK320ADU30R Features

Fixed 3V output voltage.
200mA maximum output current.
Low 0.35V dropout voltage.
Wide -40°C to 125°C operating temperature.
Surface mount SOT-89 package.

LDK320ADU30R Applications

Provides stable voltage regulation.
Suitable for low-power applications.
Ideal for space-constrained designs.
Features over-current protection.
Designed for temperature stability.

LDK320ADU30R FAQs

5 frequently asked questions generated from this part’s specifications.

What is the output voltage of the LDK320ADU30R?

The LDK320ADU30R has a fixed output voltage of 3V.

What is the maximum output current for the LDK320ADU30R?

The LDK320ADU30R can supply a maximum output current of 200mA.

What is the input voltage range for the LDK320ADU30R?

The LDK320ADU30R accepts a maximum input voltage of 18V.

What is the operating temperature range of the LDK320ADU30R?

The LDK320ADU30R operates within a temperature range of -40°C to 125°C (TJ).

What package type is the LDK320ADU30R available in?

The LDK320ADU30R is available in a TO-243AA (SOT-89) package.

LDK320ADU30R Alternate Parts

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