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LD2985BM28R The STMicroelectronics LD2985BM28R is a linear voltage regulator providing a fixed 2.8V output at up to 150mA. It features a low dropout voltage and is supplied in a compact SOT-23-5 package.
Mfr Part #:

LD2985BM28R

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD2985BM28R is a linear voltage regulator providing a fixed 2.8V output at up to 150mA. It features a low dropout voltage and is supplied in a compact SOT-23-5 package.
✓ Total Stock: 392 pcs
$ Price Range: $0.28

LD2985BM28R Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
392 pcs
On Request
392 pcs On Request 1 On Request On Request 11+ On Request On Request
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LD2985BM28R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Input Voltage
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Tape & Reel
Voltage
Voltage Dropout (Max)
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LD2985BM28R Description

Short technical summary and product information.

The STMicroelectronics LD2985BM28R is a positive, fixed output linear voltage regulator designed for various power management applications. It delivers a stable 2.8V output voltage with a maximum output current of 150mA. The device boasts a low voltage dropout of 0.575V at its maximum current, ensuring efficient operation.

 

Key electrical characteristics include an input voltage range up to 16V and a quiescent current of 150µA. Protection features such as over current and over temperature are integrated for enhanced reliability. The regulator also offers a Power Supply Rejection Ratio (PSRR) of 45dB at 1kHz.

 

This component is suitable for surface mount applications and operates across a wide temperature range from -40°C to 125°C. It is packaged in a SOT-23-5 (SC-74A, SOT-753) configuration, making it ideal for space-constrained designs.

LD2985BM28R Quick Information

Product Type: Linear Voltage Regulator
Series: LD2985
Canonical Name: STMicroelectronics LD2985BM28R Linear Voltage Regulator
Subcategory: Linear

LD2985BM28R Compliance

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

LD2985BM28R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD2985BM28R Features

  • Fixed 2.8V output voltage.
  • 150mA maximum output current.
  • Low 0.575V dropout voltage.
  • Surface mount SOT-23-5 package.
  • Wide -40°C to 125°C operating temperature.

LD2985BM28R Applications

  • Power management for portable devices.
  • Low power electronic circuits.
  • Voltage regulation in compact designs.
  • Filtering noisy power supplies.

LD2985BM28R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD2985BM28R?

The output voltage is fixed at 2.8V.

What is the maximum input voltage?

The maximum input voltage is 16V.

What is the output current capability?

The nominal output current is 150mA.

What is the dropout voltage?

The maximum dropout voltage is 0.575V at 150mA load.

What is the PSRR at 1kHz?

The typical PSRR is 45dB at 1kHz.

What is the operating temperature range?

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

What package is the LD2985BM28R available in?

It is available in a SOT-23-5 package (also specified as SC-74A, SOT-753).

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