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LDK320M30R The STMicroelectronics LDK320M30R is a fixed 3V LDO voltage regulator with a 200mA output current capability. It features a low quiescent current and is supplied in a SOT-23-5 package.
Mfr Part #:

LDK320M30R

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LDK320M30R is a fixed 3V LDO voltage regulator with a 200mA output current capability. It features a low quiescent current and is supplied in a SOT-23-5 package.
✓ Total Stock: 11,000 pcs
$ Price Range: $0.28

LDK320M30R Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
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6,000 pcs
On Request
6000 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
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.

LDK320M30R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Mounting Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Protection Features
Supplier Device Package
Tolerance
Type
Voltage
Voltage Dropout (Max)
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LDK320M30R Description

Short technical summary and product information.

The STMicroelectronics LDK320M30R is a linear voltage regulator designed for power management applications. It provides a fixed output voltage of 3V and can deliver up to 200mA of current. The device operates with an input voltage range from 2.5V to 18V.

 

Key electrical characteristics include a low quiescent current of 90 µA and a typical dropout voltage of 100mV at 200mA. The regulator offers good voltage regulation accuracy of 2% and features protection against over current and over temperature conditions. Its PSRR is rated from 88dB down to 48dB across a frequency range of 120Hz to 10kHz.

 

The LDK320M30R is housed in a compact SOT-23-5 surface-mount package, making it suitable for space-constrained designs. The operating temperature range is from -40°C to +125°C (TJ). This low quiescent current linear regulator is ideal for battery-powered devices and other applications where power efficiency is critical.

LDK320M30R Quick Information

Product Type: LDO Voltage Regulator
Series: ldk320
Canonical Name: STMicroelectronics LDK320M30R LDO Voltage Regulator
Subcategory: PMIC-Power Management ICs

LDK320M30R Compliance

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

LDK320M30R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LDK320M30R Features

  • Fixed 3V output voltage.
  • 200mA maximum output current.
  • Low 90 µA quiescent current.
  • Wide 2.5V to 18V input range.
  • Compact SOT-23-5 package.

LDK320M30R Applications

  • Ideal for battery-powered devices.
  • Suitable for portable electronics.
  • Power management in embedded systems.
  • Low power sensor applications.

LDK320M30R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LDK320M30R?

The LDK320M30R provides a fixed output voltage of 3V.

What is the maximum output current for this regulator?

The maximum output current for this regulator is 200mA.

What is the input voltage range for the LDK320M30R?

The input voltage range for the LDK320M30R is from 2.5V (minimum) to 18V (maximum).

What is the typical dropout voltage of the LDK320M30R?

The typical dropout voltage is 100mV when the output current is 200mA.

What is the quiescent current of this device?

The quiescent current of this device is 90µA.

What is the operating temperature range of the LDK320M30R?

The operating temperature range for the LDK320M30R is -40°C to 125°C (TJ).

What type of package does the LDK320M30R come in?

The LDK320M30R comes in a SOT-23-5 package.

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