Default product image

HCG61234 - Current-Mode Controller 65/100 kHz (5.19 lb)

United Fuses
Price
Save $0
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
HCG61234 is a high-efficiency fixed-frequency current-mode controller designed for flyback converters, providing robust primary-side regulation and fault detection for reliable power supply operation. It operates at a fixed frequency of 65/100 kHz and incorporates Dynamic Self-Supply (DSS) to simplify auxiliary winding design, along with timer-based overload protection for enhanced system safety. The controller features frequency foldback and skip mode to optimize light load efficiency, internal frequency jittering for reduced EMI, and a 4.0 ms soft-start for controlled startup, all housed in a compact IC package weighing 5.19 lb. It complies with industry standards for low standby power and high efficiency, making it suitable for consumer electronics, notebook adapters, and auxiliary power supplies.

Key Features & Specifications
  • Fixed frequency operation: 65/100 kHz
  • Dynamic Self-Supply (DSS) for simplified auxiliary supply design
  • Frequency foldback and skip mode for light load efficiency
  • Internal frequency jittering for EMI reduction
  • 4.0 ms soft-start
  • Adjustable overpower compensation
  • Latched/autorecovery timer-based overload protection
  • High voltage current source with brown-out detection
  • Internal ramp compensation for stability
  • Versatile latch input for fault detection
  • Weight: 5.19 lb