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

L4981A

Available from 1 distributors
Mfr Name: NA
NA
The STMicroelectronics L4981A is a Power Factor Controller IC. It operates with a supply voltage range of 14.5V to 19.5V and features a switching frequency of 100kHz.
✓ Total Stock: 2,022 pcs

L4981A Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,022 pcs
2022 pcs On Request 1 On Request On Request 02+ On Request On Request

L4981A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Frequency
Height
Lead Spacing
Length
Mounting Type
Number of Pins
Operating Temperature
Output Voltage
Package / Case
Power Dissipation
Storage Temperature
Tape & Reel
Technology
Weight
Width

L4981A Description

Short technical summary and product information.

The STMicroelectronics L4981A is an integrated circuit designed for Power Factor Correction (PFC) applications. It comes in a 20-DIP through-hole package with a terminal pitch of 2.54mm.

 

This component operates within a supply voltage range of 14.5V to 19.5V and has an operating temperature range of -40°C to 125°C. Key electrical specifications include a nominal frequency of 80kHz, a switching frequency of 100kHz, a maximum output current of 2A, and a nominal output voltage of 7.5V. The device has a power dissipation rating of 1W.

 

The L4981A utilizes Pulse Width Modulation (PWM) control and is configured as a single switcher. Its through-hole mounting type makes it suitable for various PCB designs. The component is packaged in a tube.

 

Applications for this PFC PMIC 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
Canonical Name: STMicroelectronics L4981A Power Factor Controller
Subcategory: Power Management (PMIC)

L4981A Compliance

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

L4981A Features

  • Power Factor Controller IC
  • 14.5V to 19.5V supply voltage
  • 80kHz nominal frequency
  • 2A maximum output current
  • 20-DIP through-hole package

L4981A Applications

  • Ideal for CPU power supplies
  • Suitable for switching regulators
  • Used in digital audio players
  • Applicable to video equipment
  • Supports portable electronic devices

L4981A FAQs

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

The supply voltage range is 14.5V to 19.5V.

What is the operating temperature range of the L4981A?

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

What package does the L4981A come in?

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

What is the maximum output current of the L4981A?

The maximum output current is 2A.

What is the switching frequency of the L4981A?

The switching frequency is 100kHz.

What technology is used in the L4981A?

The L4981A uses BCD MOS technology.

What is the control technique of the L4981A?

The control technique is Pulse Width Modulation (PWM).

Home
Account

Categories