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L4981BD The STMicroelectronics L4981BD is a Power Factor Correction (PFC) controller IC designed for average current mode operation. It operates at a frequency of 100kHz and is suitable for a wide voltage range.
Mfr Part #:

L4981BD

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L4981BD is a Power Factor Correction (PFC) controller IC designed for average current mode operation. It operates at a frequency of 100kHz and is suitable for a wide voltage range.
✓ Total Stock: 9,717 pcs
$ Price Range: $0.75

L4981BD Available from 2 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
7,880 pcs
On Request
7880 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,837 pcs
On Request
1837 pcs On Request 1 On Request On Request On Request 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.

L4981BD Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Mode
Mounting Type
Operating Temperature
Supplier Device Package
Supplier Package
Voltage
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L4981BD Description

Short technical summary and product information.

The STMicroelectronics L4981BD is an integrated circuit designed for Power Factor Correction (PFC) applications. It operates in average current mode, providing efficient power factor correction.

 

Key electrical specifications include an operating voltage range of 14.5V to 19.5V and a frequency of 100kHz. The device consumes a low current of 100 µA and operates across a wide temperature range from -40°C to 125°C.

 

This PFC controller IC is available in a 20-SOIC package and supports surface mount installation. Its robust design makes it suitable for various power supply applications requiring improved power factor.

 

The L4981BD is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1, indicating unlimited shelf life under recommended storage conditions.

L4981BD Quick Information

Product Type: PFC Controller IC
Canonical Name: L4981BD Power Factor Correction IC
Subcategory: Power Factor Correction

L4981BD Compliance

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

L4981BD Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

L4981BD Features

  • Average current mode PFC controller.
  • Operates at 100kHz frequency.
  • Wide voltage range of 14.5V to 19.5V.
  • Extended operating temperature range.
  • Surface mount 20-SOIC package.

L4981BD Applications

  • For power factor correction in AC-DC supplies.
  • Used in switched-mode power supply designs.
  • Suitable for industrial power systems.
  • Ideal for offline and flyback converters.

L4981BD FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of L4981BD?

14.5V to 19.5V.

What package is the L4981BD available in?

20-SOIC (0.295", 7.50mm Width) surface mount.

What is the operating temperature range of L4981BD?

-40°C to 125°C.

What is the switching frequency of L4981BD?

100kHz.

What operating mode does the L4981BD use?

Average Current mode.

What is the supply current of L4981BD?

100 µA.

L4981BD Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
L4981BD013TR
L4981BD013TR
STMicroelectronics
The STMicroelectronics L4981BD013TR is a Power Factor Correction (PFC) IC designed for average current control. It operates within a voltage range of 14.5V to 19.5V and at a frequency of 100kHz.
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