📢 Flat rate shipping below $10 in multiple countries! Limited offer ends May 31 🛒 Order now

L4981BD

L4981BD

L4981AD

L4981AD

Active

Free

L4981BD013TR

L4981A: Fixed Frequency Average Current Mode; L4981B: Line Modulated Frequency Average Current Mode

ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameSO-20

The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99.Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line current...
Read More

Key features
  • PRECISE 2% ON CHIP REFERENCE EXTERNALLY AVAILABLE
  • OVERVOLTAGE, OVERCURRENT PROTECTION
  • SOFT START
  • LOW START-UP CURRENT (0.3mA TYP.)
  • HIGH CURRENT BIPOLAR AND DMOS TOTEM POLE OUTPUT
  • CONTROL BOOST PWM UP TO 0.99P.F.
  • UNIVERSAL INPUT MAINS
  • LIMIT LINE CURRENT DISTORTION TO < 5%
  • AVERAGE CURRENT MODE PWM FOR MINIMUM NOISE SENSITIVITY
  • UNDER VOLTAGE LOCKOUT WITH HYSTERESIS AND PROGRAMMABLE TURN ON THRESHOLD
  • FEED FORWARD LINE AND LOAD REGULATION
In stock
Quantity $ per unit Savings
1-9$3.150%
10-24$2.8210%
25-99$2.6815%
100-168$2.3127%
Contact sales
$3.15
$3.15
or
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameSO-20

The L4981 I.C. provides the necessary features to achieve a very high power factor up to 0.99.Realized in BCD 60II technology this power factor corrector (PFC) pre-regulator contains all the control functions for designing a high efficiency-mode power supply with sinusoidal line current...
Read More

Key features
  • PRECISE 2% ON CHIP REFERENCE EXTERNALLY AVAILABLE
  • OVERVOLTAGE, OVERCURRENT PROTECTION
  • SOFT START
  • LOW START-UP CURRENT (0.3mA TYP.)
  • HIGH CURRENT BIPOLAR AND DMOS TOTEM POLE OUTPUT
  • CONTROL BOOST PWM UP TO 0.99P.F.
  • UNIVERSAL INPUT MAINS
  • LIMIT LINE CURRENT DISTORTION TO < 5%
  • AVERAGE CURRENT MODE PWM FOR MINIMUM NOISE SENSITIVITY
  • UNDER VOLTAGE LOCKOUT WITH HYSTERESIS AND PROGRAMMABLE TURN ON THRESHOLD
  • FEED FORWARD LINE AND LOAD REGULATION