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Référence fabricant

UC3845BD1R2G

UC3845B Series 275 KHz 25 V High Performance Current Mode Controller - SOIC-8

Modèle ECAD:
Nom du fabricant: onsemi
Emballage standard:
Product Variant Information section
Code de date: 2238
Product Specification Section
onsemi UC3845BD1R2G - Caractéristiques techniques
Attributes Table
Supply Current-Max: 0.5mA
Supply Voltage: 7.6V to 36V
Turn On Threshold Voltage: 8.5V
Turn Off Threshold Voltage: 7.6V
Duty Cycle-Max: 50%
Frequency-Max: 275kHz
Operating Temp Range: 0°C to 70°C
Style d'emballage :  SOIC-8
Méthode de montage : Surface Mount
$Fonctionnalités et applications

The UC3845BD1R2G is a high performance fixed frequency current mode controller, available in a SOIC-8 package.

It is specifically designed for Off−Line and DC−DC converter applications offering the designer a cost−effective solution with minimal external components.

Features:

  • Trimmed Oscillator for Precise Frequency Control
  • Oscillator Frequency Guaranteed at 250 kHz
  • Current Mode Operation to 500 kHz Output Switching Frequency
  • Output Deadtime Adjustable from 50% to 70%
  • Automatic Feed Forward Compensation
  • Latching PWM for Cycle−By−Cycle Current Limiting
  • Internally Trimmed Reference with Undervoltage Lockout
  • High Current Totem Pole Output
  • Undervoltage Lockout with Hysteresis
  • Low Startup and Operating Current
  • These Devices are Pb−Free and are RoHS Compliant
  • NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
Pricing Section
Stock globale:
7 500
États-Unis:
7 500
Sur commande :
0
Stock d'usine :Stock d'usine :
0
Délai d'usine :
45 Semaines
Commande minimale :
2500
Multiples de :
2500
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Des droits de douane peuvent s’appliquer en cas d’expédition vers les États-Unis. Une estimation des droits tarifaires sera dans ce cas calculée au moment du paiement.
Total 
687,50 $
USD
Quantité
Prix Internet
2 500
$0.275
5 000
$0.27
7 500
$0.27
10 000
$0.265
12 500+
$0.26
Product Variant Information section