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3BR1765JZ Offline SMPS Current Mode Controller IC

  • Offline SMPS Current Mode Controller
  • Drain Voltage: 650V
  • Supply Voltage: 25V
  • Supply Current: 5mA
  • 650V avalanche rugged CoolMOS┬« with built-in Startup Cell
  • Active Burst Mode for lowest Standby Power
  • Fast load jump response in Active Burst Mode
  • 65kHz internally fixed switching frequency
  • Auto Restart Protection Mode for Overload, OpenLoop, VCC Undervoltage, Overtemperature & Overvoltage
  • Built-in Soft Start
  • Built-in blanking window with extendable blanking time for short duration high current
  • External auto-restart enable pin
  • Max Duty Cycle 75%
  • Overall tolerance of Current Limiting < ┬▒5%
  • Internal PWM Leading Edge Blanking
  • BiCMOS technology provide wide VCC range
  • Built-in Frequency jitter and soft driving for low EMI

UC3842A Current Mode Controller IC

15.00 inc. GST
  • High Performance Current Mode Controller
  • Bias and Drive Voltages: 30V
  • Total Power Supply and Zener Current: 30mA
  • Output Current: 1A
  • Reference Output Voltage: 5V
  • Line Regulation Max: 20mV
  • Load Regulation Max: 25mV
  • Frequency: 52KHz
  • Low Level Output Voltage: 0.1V
  • High Level Output Voltage: 13.5V
  • Startup Threshold Max: 9V
  • Package: DIP-8
  • Optimized for Off-Line and DC to DC Converters
  • Low Start Up Current (< 1 mA)
  • Automatic Feed Forward Compensation
  • Pulse-By-Pulse Current Limiting
  • Enhanced Load Response Characteristics
  • Under-Voltage Lockout with Hysteresis
  • Double Pulse Suppression
  • High Current Totem Pole Output
  • Bandgap Reference
  • Low Ro Error Amp
  • Up to 500-kHz Operation

UC3843A Current Mode Controller IC

18.00 inc. GST
  • High Performance Current Mode Controller
  • Bias and Drive Voltages: 30V
  • Total Power Supply and Zener Current: 30mA
  • Output Current: 1A
  • Reference Output Voltage: 5V
  • Line Regulation Max: 20mV
  • Load Regulation Max: 25mV
  • Frequency: 52KHz
  • Low Level Output Voltage: 0.1V
  • High Level Output Voltage: 13.5V
  • Startup Threshold Max: 9V
  • Package: DIP-8