L4981B

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Mfr.Part #
L4981B
Manufacturer
STMicroelectronics
Package / Case
20-SOIC (0.295, 7.50mm Width)
Datasheet
Download
Description
IC PFC CTR AV CURR 100KHZ 20DIP
Stock
10,326
In Stock :
10,326

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Manufacturer :
STMicroelectronics
Product Category :
PFC (Power Factor Correction)
Height :
2.35mm
Package / Case :
20-SOIC (0.295, 7.50mm Width)
Frequency :
80kHz
Mounting Type :
Surface Mount
Control Technique :
PULSE WIDTH MODULATION
Time@Peak Reflow Temperature-Max (s) :
30
Terminal Form :
Gull wing
Output Voltage :
7.5V
Terminal Finish :
Nickel/Palladium/Gold (Ni/Pd/Au)
Number of Functions :
1
ECCN Code :
EAR99
REACH SVHC :
No SVHC
Analog IC - Other Type :
POWER FACTOR CONTROLLER
Base Part Number :
L4981
RoHS Status :
ROHS3 Compliant
Mode :
Average Current
Length :
13mm
Terminal Position :
Dual
JESD-609 Code :
e4
Operating Temperature :
-40°C~125°C
Width :
7.6mm
Radiation Hardening :
No
Current - Startup :
100μA
Voltage - Supply :
14.5V~19.5V
Frequency - Switching :
100kHz
Number of Outputs :
1
Input Voltage-Nom :
18V
Max Supply Current :
16mA
Packaging :
Tube
Mount :
Surface Mount
Moisture Sensitivity Level (MSL) :
3 (168 Hours)
Lifecycle Status :
ACTIVE (Last Updated: 7 months ago)
Output Current :
1.5A
Factory Lead Time :
12 Weeks
Peak Reflow Temperature (Cel) :
260
Number of Terminations :
20
Switcher Configuration :
Single
Pin Count :
20
Number of Pins :
20
Power Dissipation :
600mW
Weight :
266.712314mg
Lead Free :
Lead Free
Datasheets
L4981B
Introducing PFC (Power Factor Correction) STMicroelectronics L4981B from Chip IC,where excellence meets affordability. This product stands out with its Package / Case:20-SOIC (0.295, 7.50mm Width), Mounting Type:Surface Mount, Base Part Number:L4981, Operating Temperature:-40°C~125°C, Number of Terminations:20, Number of Pins:20, L4981B pinout, L4981B datasheet PDF, L4981B amp .Beyond PFC (Power Factor Correction) STMicroelectronics L4981B ,we also offer LT1249CS8#PBF, UCC28056BDBVR, UCC28056CDBVR, Our vast inventory has you covered. Contact us now for immediate solutions.

STMicroelectronics L4981B


PFC STMicroelectronics L4981B Overview

The L4981B from STMicroelectronics is a state-of-the-art Power Factor Correction (PFC) controller IC designed for demanding applications requiring efficient power management. This advanced IC ensures optimized power usage and enhanced energy efficiency by dynamically adjusting the power factor, making it ideal for a wide range of industrial and consumer applications. With its capability to operate up to 100kHz and housed in a robust 20DIP package, the L4981B is engineered to provide reliable and continuous high performance. Its design caters to systems requiring average current mode control, which facilitates stable and consistent power delivery, crucial for high-performance electronics.

L4981B Features

The L4981B IC offers several key features that make it an excellent choice for implementing effective power factor correction. It operates at a high frequency of up to 100kHz, which allows for smaller and more cost-effective passive components. Its average current mode control provides superior performance with enhanced response to varying load conditions. Additionally, the 20DIP package ensures compatibility with standard PCB layouts, making it easy to integrate into existing designs without extensive modifications.

L4981B Applications

  • Industrial Automation: In scenarios such as motor drives and automated control systems, the L4981B helps in maintaining efficient power management, thus optimizing the overall energy consumption and enhancing the reliability of the system.
  • Consumer Electronics: For devices like high-definition televisions and audio systems, this IC ensures minimal power wastage and improved energy efficiency, which is crucial for achieving compliance with international energy standards.
  • Telecommunications Equipment: The L4981B aids in stabilizing power supply systems in telecommunications infrastructure, ensuring consistent performance and reliability necessary for communication technologies.
  • Power Supplies: Ideal for use in switch-mode power supplies, the L4981B by improving power factor, reduces the total harmonic distortion, thus leading to better power quality and efficiency.
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