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LD3985M25R The STMicroelectronics LD3985M25R is a linear voltage regulator providing a fixed 2.5V output with a 150mA current capability. It is housed in a surface-mount SOT-23-5 package.
Mfr Part #:

LD3985M25R

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics LD3985M25R is a linear voltage regulator providing a fixed 2.5V output with a 150mA current capability. It is housed in a surface-mount SOT-23-5 package.
✓ Total Stock: 138,908 pcs
$ Price Range: $0.28

LD3985M25R Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
120,533 pcs
On Request
120533 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
12,000 pcs
On Request
12000 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
6,375 pcs
On Request
6375 pcs On Request 1 On Request On Request 1636+ 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.

LD3985M25R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Lead Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Protection Features
Quiescent Current
Supplier Device Package
Voltage
Voltage Dropout (Max)
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LD3985M25R Description

Short technical summary and product information.

The STMicroelectronics LD3985M25R is a linear voltage regulator designed for various power management applications. It offers a stable 2.5V fixed output voltage and can supply up to 150mA of current.

 

Key electrical characteristics include a maximum input voltage of 6V, a low voltage dropout of 0.1V at 150mA, and a quiescent current of 150µA. The device also features over-current and over-temperature protection, along with an enable control feature.

 

This regulator operates across a wide temperature range of -40°C to 125°C. It is supplied in a compact SOT-23-5 (SC-74A, SOT-753) surface-mount package, suitable for space-constrained designs. The RoHS status is reported as RoHS3 Compliant.

LD3985M25R Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LD3985M25R 2.5V 150mA Linear Voltage Regulator
Subcategory: Linear

LD3985M25R Compliance

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

LD3985M25R Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LD3985M25R Features

  • Fixed 2.5V output voltage.
  • 150mA maximum output current.
  • Low 0.1V voltage dropout.
  • Surface mount SOT-23-5 package.
  • Over-current and over-temperature protection.

LD3985M25R Applications

  • General purpose voltage regulation.
  • Low power electronic devices.
  • Portable equipment power supplies.
  • Battery powered systems.

LD3985M25R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LD3985M25R?

The LD3985M25R provides a fixed output voltage of 2.5V.

What is the maximum output current?

The LD3985M25R can deliver up to 150mA output current.

What is the dropout voltage at full load?

The maximum dropout voltage is 0.1V at 150mA load.

Does the LD3985M25R have an enable pin?

Yes, it includes an Enable control feature for turning the output on and off.

What protection features are built in?

The device includes over current and over temperature protection.

What is the operating temperature range?

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

What package is the LD3985M25R available in?

It is available in a SC-74A (SOT-753) surface-mount package.

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