T0P243

www.DataSheet4U.com TOP242-249 TOPSwitch®-GX Family Extended Power, Design Flexible, EcoSmart®, Integrated Off-line Switcher ® Product Highlights Lower System Cost, High Design Flexibility Extended power range to 250 W Features eliminate or reduce cost of external components Fully integrated soft-start for minimum stress/overshoot Externally programmable accurate current limit Wider duty cycle for more power, smaller input capacitor Separate line sense and current limit pins on Y/R packages Line under-voltage (UV) detection: no turn off glitches Line overvoltage (OV) shutdown extends line surge limit Line feed forward with maximum duty cycle (DCMAX) reduction rejects line ripple and limits DC at high line MAX Frequency jittering reduces EMI and EMI filtering costs Regulates to zero load without dummy loading 132 kHz frequency reduces transformer/power supply size Half frequency option in Y/R packages for video applications Hysteretic thermal shutdown for automatic fault recovery Large thermal hysteresis prevents PC board overheating EcoSmart - Energy Efficient Extremely low consumption in remote off mode (80 mW @ 110 VAC, 160 mW @ 230 VAC) Frequency lowered with load for high standby efficiency Allows shutdown/wake-up via LAN/input port Description TOPSwitch-GX uses the same proven topology as TOPSwitch, cost effectively integrating the high voltage power MOSFET, PWM control, fault protection and other control circuitry onto a single CMO...