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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 SOT23-5 package.
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LD3985M25R

Available from 2 distributors
Mfr Name: ST
ST
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 SOT23-5 package.
✓ Total Stock: 126,908 pcs
$ Price Range: $0.28

LD3985M25R Available from 2 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
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
Lead Style
Mounting Type
Operating Temperature
Output Current
Output Voltage
PSRR
Quiescent Current
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LD3985M25R Description

Short technical summary and product information.

The LD3985M25R from STMicroelectronics is a linear voltage regulator designed for various power management applications. It features a fixed output voltage of 2.5V and can supply up to 150mA of current. The device operates with a maximum input voltage of 6V and exhibits a low dropout voltage of 0.1V at 150mA, making it suitable for battery-powered devices.

 

This regulator has a quiescent current of 150µA and a maximum supply current of 250µA. It offers a Power Supply Rejection Ratio (PSRR) ranging from 60dB to 50dB across the 1kHz to 10kHz frequency range. The operating temperature range is from -40°C to 125°C, ensuring reliable performance in demanding environments.

 

The LD3985M25R is available in a compact SC-74A, SOT-753 package, designed for surface mounting. This packaging is suitable for space-constrained applications. The component is supplied in tape and reel or cut tape formats.

LD3985M25R Quick Information

Product Type: Voltage Regulator - Linear
Series: LD3985
Canonical Name: LD3985M25R 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 dropout voltage.
  • Wide -40°C to 125°C operating temperature.
  • Compact SOT23-5 surface-mount package.

LD3985M25R Applications

  • Suitable for battery-powered devices.
  • Ideal for portable electronics.
  • Used in power management circuits.
  • Applications requiring stable voltage.
  • Space-constrained designs.

LD3985M25R FAQs

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

The LD3985M25R has a fixed output voltage of 2.5V.

What is the maximum output current for this voltage regulator?

The maximum output current for the LD3985M25R is 150mA.

What is the dropout voltage at 150mA?

The dropout voltage is 0.1V at 150mA.

What is the operating temperature range?

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

What package type is the LD3985M25R supplied in?

The LD3985M25R is supplied in an SC-74A, SOT-753 package.

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