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LD2981ABM33TR The STMicroelectronics LD2981ABM33TR is a linear voltage regulator providing a fixed 3.3V output. It offers 100mA of current with low dropout voltage and SOT-23-5 packaging.
Mfr Part #:

LD2981ABM33TR

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD2981ABM33TR is a linear voltage regulator providing a fixed 3.3V output. It offers 100mA of current with low dropout voltage and SOT-23-5 packaging.
✓ Total Stock: 46,082 pcs
$ Price Range: $0.28

LD2981ABM33TR Available from 3 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
45,000 pcs
On Request
45000 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
1,070 pcs
On Request
1070 pcs On Request 1 On Request On Request 21+ On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
12 pcs
On Request
12 pcs On Request 1 On Request On Request 21+ 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.

LD2981ABM33TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Maximum Input Voltage
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Supplier Package
Voltage
Voltage Dropout (Max)
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LD2981ABM33TR Description

Short technical summary and product information.

The STMicroelectronics LD2981ABM33TR is a fixed output linear voltage regulator designed for various electronic applications. It delivers a stable 3.3V output voltage and can supply up to 100mA of current.

 

Key electrical characteristics include a low dropout voltage of 0.375V at 100mA and a PSRR of 63dB at 1kHz, ensuring clean power delivery. The device features over current and over temperature protection for enhanced reliability.

 

This regulator is housed in a compact SOT-23-5 package, suitable for surface mount applications. Its operating temperature range is -40°C to 125°C, making it versatile for different environmental conditions. The device also includes an Enable control feature.

 

With its fixed positive output and robust protection features, the LD2981ABM33TR is a reliable choice for power management in compact designs.

LD2981ABM33TR Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: STMicroelectronics LD2981ABM33TR Linear Voltage Regulator
Subcategory: Linear

LD2981ABM33TR Compliance

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

LD2981ABM33TR Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD2981ABM33TR Features

  • Fixed 3.3V output voltage.
  • 100mA maximum output current.
  • Low 0.375V dropout voltage.
  • Over current and over temperature protection.
  • Surface mount SOT-23-5 package.

LD2981ABM33TR Applications

  • Ideal for battery-powered devices.
  • Suitable for portable electronics.
  • Used in low-power applications.
  • Provides stable voltage regulation.

LD2981ABM33TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD2981ABM33TR?

The output voltage is fixed at 3.3V.

What is the output current rating?

It is rated for 150mA output current.

What is the maximum input voltage?

The maximum input voltage is 16V.

What is the dropout voltage at 100mA?

The maximum dropout voltage at 100mA is 0.375V.

What package is the LD2981ABM33TR available in?

It comes in a SOT-23-5 surface-mount package, also known as SC-74A or SOT-753.

What is the operating temperature range?

It operates from -40°C to 125°C.

What protection features does this regulator include?

It includes over current and over temperature protection.

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