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LD2981ABM30TR The STMicroelectronics LD2981ABM30TR is a linear voltage regulator IC designed for 3V output at 100mA. It operates with an input voltage up to 16V and a wide temperature range.
Mfr Part #:

LD2981ABM30TR

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD2981ABM30TR is a linear voltage regulator IC designed for 3V output at 100mA. It operates with an input voltage up to 16V and a wide temperature range.
✓ Total Stock: 36,043 pcs
$ Price Range: $0.28

LD2981ABM30TR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
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Fe Components ✓
Non-Authorised Inventory information
33,000 pcs
On Request
33000 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
3,043 pcs
On Request
3043 pcs On Request 1 On Request On Request 1708+ On Request On Request
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LD2981ABM30TR 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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LD2981ABM30TR Description

Short technical summary and product information.

The LD2981ABM30TR from STMicroelectronics is a linear voltage regulator with a fixed 3V output and a maximum output current of 100mA. It is designed to accept an input voltage up to 16V and features a low voltage dropout of 0.375V at 100mA. The quiescent current is rated at 150 µA, with a maximum supply current of 2.6 mA.

 

This regulator includes over-current and over-temperature protection features, along with an enable control input. It operates within a temperature range of -40°C to 125°C. The device is supplied in a surface-mount SOT-23-5 package, also referred to as SC-74A or SOT-753.

 

Key electrical characteristics include a PSRR of 63dB at 1kHz. The LD2981ABM30TR is suitable for various power management applications requiring a stable and regulated voltage supply. Its compact package and robust protection features make it a versatile component for embedded systems.

LD2981ABM30TR Quick Information

Product Type: Voltage Regulator - Linear
Series: LD2981
Canonical Name: LD2981ABM30TR Voltage Regulator
Subcategory: Linear

LD2981ABM30TR Compliance

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

LD2981ABM30TR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD2981ABM30TR Features

  • Fixed 3V output voltage.
  • 100mA maximum output current.
  • Low voltage dropout of 0.375V.
  • Wide -40°C to 125°C operating temperature.
  • SOT-23-5 surface mount package.

LD2981ABM30TR Applications

  • Power management for portable devices.
  • Voltage regulation in embedded systems.
  • Low power sensor power supplies.
  • Battery operated equipment.

LD2981ABM30TR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD2981ABM30TR?

The LD2981ABM30TR provides a fixed output voltage of 3V.

What is the maximum output current of the LD2981ABM30TR?

The maximum output current is 100mA.

What is the dropout voltage of the LD2981ABM30TR?

The maximum dropout voltage is 0.375V at 100mA output current.

What is the operating temperature range of the LD2981ABM30TR?

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

What package is the LD2981ABM30TR available in?

The LD2981ABM30TR is available in a surface-mount SOT-23-5 package (also known as SC-74A, SOT-753).

What is the quiescent current of the LD2981ABM30TR?

The quiescent current is 150µA.

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