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STMicroelectronics | L4981BD

Manufacturer Part #

L4981BD

L4981 Series 19.5 V Very High Power Factor Corrector Pre-Regulator - SOIC-20

ECAD Model:
Mfr. Name: STMicroelectronics
Standard Pkg:
Product Variant Information section
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Product Specification Section
STMicroelectronics L4981BD - Technical Attributes
Attributes Table
Supply Current-Max: 16mA
Supply Voltage-Max: 19.5V
Operating Temp Range: -40°C to +125°C
Package Style:  SOIC-20
Mounting Method: Surface Mount
Features & 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
Pricing Section
Global Stock:
0
USA:
0
On Order:
0
Factory Stock:Factory Stock:
0
Factory Lead Time:
25 Weeks
Minimum Order:
400
Multiple Of:
40
Total
$660.00
USD
Quantity
Unit Price
10
$1.72
30
$1.70
125
$1.67
300
$1.65
1,250+
$1.61
Product Variant Information section