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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 0

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: 12 Weeks
Minimum Order: 400
Multiple Of: 40
Quantity Web Price
40 $2.52
120 $2.05
200 $2.01
600 $1.91
1,000+ $1.87
Total:

$804.00

USD
Attributes
Attributes Table
Supply Current-Max 16mA
Supply Voltage-Max 19.5V
Operating Temp Range -40°C to +125°C
Features and Applications

The L4981BD is a 19.5 V, 16 mA Very High Power Factor Corrector Pre-Regulator, it provides the necessary features to achieve a very high power factor up to 0.99.

Features:

  • Control boost pwm up to 0.99P.F.
  • Limit line current distortion to < 5%
  • Universal input mains
  • Feed forward line and load regulation
  • Average current mode pwm for minimum noise sensitivity
  • High current bipolar and dmos totem pole output
  • Low start-up current (0.3 mA Typ.)
  • Under voltage lockout with hysteresis and programmable turn on threshold
  • Overvoltage, overcurrent protection
  • Precise 2% on chip reference externally available
  • Soft start