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Référence fabricant

L4981BD

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

Modèle ECAD:
Nom du fabricant: STMicroelectronics
Emballage standard:
Code de date:
Product Specification Section
STMicroelectronics L4981BD - Caractéristiques techniques
Attributes Table
Supply Current-Max: 16mA
Supply Voltage-Max: 19.5V
Operating Temp Range: -40°C to +125°C
Style d'emballage :  SOIC-20
Méthode de montage : Surface Mount
Fonctionnalités et 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
Stock global :
0
États-Unis:
0
Sur commande :
0
Stock d'usine :Stock d'usine :
-1
Délai d'usine :
25 Semaines
Commande minimale :
400
Multiples de :
40
Total 
584,00 $
USD
Quantité
Prix Internet
40
$1.52
120
$1.48
200
$1.46
800
$1.41
1 200+
$1.38