L4981A The STMicroelectronics L4981A is a Power Factor Controller IC. It operates within a supply voltage range of 14.5V to 19.5V and features a switching frequency of 100kHz.
Mfr Part #:

L4981A

Available from 5 distributors
Mfr Name: ST
ST
The STMicroelectronics L4981A is a Power Factor Controller IC. It operates within a supply voltage range of 14.5V to 19.5V and features a switching frequency of 100kHz.
✓ Total Stock: 67,110 pcs
$ Price Range: $0.75

L4981A Available from 5 distributors

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L4981A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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L4981A Description

Short technical summary and product information.

The STMicroelectronics L4981A is an integrated circuit designed for Power Factor Correction (PFC) applications. It operates within a supply voltage range of 14.5V to 19.5V, with a nominal input voltage of 18V. The device features a switching frequency of 100kHz and an operating frequency of 80kHz.

 

Key electrical characteristics include a maximum output current of 2A and an output voltage of 7.5V. The power dissipation is rated at 1W. The L4981A utilizes a PULSE WIDTH MODULATION control technique and is configured as a SINGLE switcher.

 

This component is housed in a 20-DIP package with a terminal pitch of 2.54mm. It is designed for Through Hole mounting. The operating temperature range is -40°C to 125°C. The device is packaged in a Tube.

 

Applications for the L4981A include personal communication devices, portable telephones, electronic notebooks, cameras, video equipment, CPU power supplies, switching regulators, multiple-power supply systems, digital audio players, and digital TVs.

L4981A Quick Information

Product Type: Power Factor Controller
Series: L4981
Canonical Name: STMicroelectronics L4981A Power Factor Controller
Subcategory: Power Factor Controller

L4981A Compliance

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

L4981A Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

L4981A Features

  • Power Factor Controller IC.
  • Supply voltage 14.5V to 19.5V.
  • Maximum output current of 2A.
  • 100kHz switching frequency.
  • Operates from -40°C to 125°C.

L4981A Applications

  • Suitable for CPU power supplies.
  • Used in switching regulator designs.
  • Applicable to digital audio players.
  • Can be used in video equipment.
  • Ideal for personal communication devices.

L4981A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range for the L4981A?

The supply voltage range for the L4981A is 14.5V to 19.5V.

What is the operating temperature range of the L4981A?

The L4981A operates within a temperature range of -40°C to 125°C.

What is the maximum output current for the L4981A?

The maximum output current for the L4981A is 2A.

What is the switching frequency of the L4981A?

The switching frequency of the L4981A is 100kHz.

What package type is the L4981A available in?

The L4981A is available in a 20-DIP (0.300, 7.62mm) package.

What is the RoHS status of the L4981A?

The L4981A is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the L4981A?

The Moisture Sensitivity Level (MSL) for the L4981A is 1 Unlimited.

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