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LDK320ADU33R The STMicroelectronics LDK320ADU33R is a linear voltage regulator IC offering a fixed 3.3V output with a 200mA current capability. It is housed in a SOT-89 package.
Mfr Part #:

LDK320ADU33R

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LDK320ADU33R is a linear voltage regulator IC offering a fixed 3.3V output with a 200mA current capability. It is housed in a SOT-89 package.
✓ Total Stock: 106,253 pcs
$ Price Range: $0.28

LDK320ADU33R Available from 4 distributors

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Fe Components ✓
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80,000 pcs
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80000 pcs On Request 1 On Request On Request On Request On Request On Request
Braun Electronic Components ✓
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20,000 pcs
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20000 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
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4,697 pcs
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4697 pcs On Request 1 On Request On Request 21+ On Request On Request
Xingangxin ✓
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1,556 pcs
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1556 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.

LDK320ADU33R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
PSRR
Protection Features
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LDK320ADU33R Description

Short technical summary and product information.

The LDK320ADU33R from STMicroelectronics is a linear voltage regulator designed for efficient power management. It provides a stable 3.3V fixed output voltage and can deliver up to 200mA of current.

 

Key electrical specifications include a maximum input voltage of 18V and a low voltage dropout of 0.35V at 200mA. The device operates with a quiescent current of 90 µA and a maximum supply current of 100 µA. It also offers a Power Supply Rejection Ratio (PSRR) ranging from 88dB to 48dB across a frequency band of 120Hz to 10kHz.

 

This regulator is suitable for applications requiring a reliable and efficient voltage regulation. It features over-current and over-temperature protection for enhanced system reliability. The operating temperature range is from -40°C to 125°C (TJ).

 

The LDK320ADU33R is supplied in a surface-mount TO-243AA (SOT-89) package, making it suitable for compact electronic designs. It is available in tape and reel or cut tape packaging options.

LDK320ADU33R Quick Information

Product Type: Voltage Regulator - Linear
Series: LDK320
Canonical Name: LDK320ADU33R Linear Voltage Regulator
Subcategory: Linear

LDK320ADU33R Compliance

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

LDK320ADU33R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LDK320ADU33R Features

  • Fixed 3.3V output voltage
  • 200mA maximum output current
  • Low 0.35V dropout voltage
  • Wide -40°C to 125°C operating temperature
  • SOT-89 surface mount package

LDK320ADU33R Applications

  • Provides stable voltage for sensitive electronics
  • Suitable for battery-powered devices
  • Used in power management circuits
  • Ideal for compact designs

LDK320ADU33R FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LDK320ADU33R?

The LDK320ADU33R provides a fixed output voltage of 3.3V.

What is the maximum output current for the LDK320ADU33R?

The LDK320ADU33R can deliver a maximum output current of 200mA.

What is the maximum input voltage for this linear regulator?

The maximum input voltage for the LDK320ADU33R is 18V.

What is the dropout voltage of the LDK320ADU33R at 200mA?

The voltage dropout for the LDK320ADU33R is a maximum of 0.35V at 200mA.

What is the operating temperature range for the LDK320ADU33R?

The LDK320ADU33R operates within a temperature range of -40°C to 125°C (TJ).

What package type is the LDK320ADU33R supplied in?

The LDK320ADU33R is supplied in a TO-243AA (SOT-89) package.

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