L4985A

L4985A

L4985B

L4985B

Active

L4985ATR

Continuous conduction mode (CCM) PFC controller with high voltage startup

ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack3
GradeIndustrial
Package NameSO-8

The L4985 is a peak current-mode PFC controller for boost converter with a proprietary multiplier “emulator” which in addition to the innovative THD optimizers guarantee very low Total Harmonic Distortion (THD) performance in all operating conditions. The device comes in a pin SO package and...
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Key features
  • Peak current mode CCM-operated
  • 800 V high voltage startup with integrated input voltage sensing
  • Active input filter capacitor discharge
  • Proprietary multiplier “emulator” with minimum THD of line current in all operating conditions (CCM and DCM)
  • Extremely few external components
  • Protections: feedback loop failure, OVP, OCP, inductor saturation, brown-in, brownout (compliant to medical SMPS standards)
  • Inductor current sense
  • Disable and low consumption function
  • In-rush current monitoring
  • Soft-start for smooth startup
  • 1.2% (@ Tj = 25 °C) internal reference voltage
  • 65 kHz (A version) and 130 kHz (B version) switching frequency
  • SO8 package
Out of Stock
Quantity $ per unit Savings
1-9$2.810%
10-24$2.5310%
25-99$2.3915%
100-249$2.0427%
250-499$1.9132%
500$1.6840%
Contact sales
$2.81
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack3
GradeIndustrial
Package NameSO-8

The L4985 is a peak current-mode PFC controller for boost converter with a proprietary multiplier “emulator” which in addition to the innovative THD optimizers guarantee very low Total Harmonic Distortion (THD) performance in all operating conditions. The device comes in a pin SO package and...
Read More

Key features
  • Peak current mode CCM-operated
  • 800 V high voltage startup with integrated input voltage sensing
  • Active input filter capacitor discharge
  • Proprietary multiplier “emulator” with minimum THD of line current in all operating conditions (CCM and DCM)
  • Extremely few external components
  • Protections: feedback loop failure, OVP, OCP, inductor saturation, brown-in, brownout (compliant to medical SMPS standards)
  • Inductor current sense
  • Disable and low consumption function
  • In-rush current monitoring
  • Soft-start for smooth startup
  • 1.2% (@ Tj = 25 °C) internal reference voltage
  • 65 kHz (A version) and 130 kHz (B version) switching frequency
  • SO8 package