PWM CONTROLLER

DESCRIPTION\nThe TK75003 is a simple primary side controller optimized for off-line switching power supplies including power factor correctors. It is suitable for both voltage-mode and current mode control and has advanced features not available in controllers with a higher pin count. The key to ful ■ Power Factor Correction/Line Harmonics Reduction to Meet IEC1000-3-2 Requirements\n■ Optimized for Off-Line Operation\n■ Maximum Duty Ratio 88% (typ.)\n■ Frequency Reduction for Improved Overcurrent Protection\n■ Low Standby Current for Current-Fed Start-Up\n■ Current-Mode or Voltage-Mode Cont;

Murata

村田