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UC3842BD1

UC3842BD1

Active

UC3842BN

Current Mode PWM

ECCN USEAR99
ECCN EUNEC
Packing TypeTube
RoHs compliantEcopack2
GradeIndustrial
Package NameDIP-8

The UC284xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lockout...
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Key features
  • LOW START-UP AND OPERATING CURRENT
  • UNDERVOLTAGE LOCKOUT WITH HYSTERESIS
  • INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT
  • CURRENT LIMITING
  • TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL
  • CURRENT MODE OPERATION TO 500kHz
  • OSCILLATOR FREQUENCY GUARANTEED AT 250kHz
  • LATCHING PWM FOR CYCLE-BY-CYCLE
  • HIGH CURRENT TOTEM POLE OUTPUT
  • AUTOMATIC FEED FORWARD COMPENSATION
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100-130$0.6118%
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$0.74
$0.74
ECCN USEAR99
ECCN EUNEC
Packing TypeTube
RoHs compliantEcopack2
GradeIndustrial
Package NameDIP-8

The UC284xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lockout...
Read More

Key features
  • LOW START-UP AND OPERATING CURRENT
  • UNDERVOLTAGE LOCKOUT WITH HYSTERESIS
  • INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT
  • CURRENT LIMITING
  • TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL
  • CURRENT MODE OPERATION TO 500kHz
  • OSCILLATOR FREQUENCY GUARANTEED AT 250kHz
  • LATCHING PWM FOR CYCLE-BY-CYCLE
  • HIGH CURRENT TOTEM POLE OUTPUT
  • AUTOMATIC FEED FORWARD COMPENSATION