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L4981BD +BOM

The Power Factor Correction PWM Controller L4981BD features a 20-pin SO tube package

L4981BD Allgemeine Beschreibung

The L4981BD is a powerful and efficient power factor corrector that delivers exceptional performance with a power factor of up to 0.99. Utilizing state-of-the-art BCD 60II technology, this IC offers a wide range of control functions for developing high-efficiency power supplies with sinusoidal line current consumption. Operating flawlessly within mains voltages from 85V to 265V, the L4981BD eliminates the need for a line switch, providing greater design flexibility. Whether selecting fixed frequency mode (L4981A) or modulated frequency mode (L4981B), this PFC regulator optimizes input filter size and ensures precise control with an average current mode PWM controller. Featuring essential components such as a power MOSFET gate driver, voltage reference, error amplifier, and comprehensive protections including overvoltage and overcurrent protection, the L4981BD simplifies design complexity and enhances system efficiency

l4981bd l4981bd

Hauptmerkmale

  • PROGRAMMABLE TURN-OFF DELAY
  • MAXIMUM CURRENT LIMITATION
  • SELF-RECOVERING FROM OVERCURRENT
  • AUTO RESTART ON FAULT
l4981bd

Anwendung

  • Low-power consumption
  • Offline converters
  • Power supply appliances

Spezifikationen

ECCN US EAR99 ECCN EU NEC
Packing Type Tube Grade Industrial

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Bewertungen und Rezensionen

Mehr
E
E**e 02.03.2024

Goods is good quality and delivery is so fast.Thank you dear seller.

13
D
D**n 09.25.2023

All goods received, but haven't had a chance to check it yet.

9
B
B**n 05.13.2023

Got in the suburbs on the 43rd day. Thank you.

14
C
C**b 11.08.2022

Order received in 38 days. Capacitors exactly as described, all fully working, capacitance goes from 320.3 to 329.2uF and ESR from 0.11 to 0.14 ohms. Thank you.

19

Rezensionen

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