Lower System Cost, High Design Flexibility

• Features eliminate or reduce cost of external components

• Fully integrated soft-start for minimum stress/overshoot

• Externally settable accurate current limit

• Wider duty cycle for more power, smaller input capacitor

• 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 ripple and limits DCMAX at high line

• Single resistor sets OV/UV thresholds, DCMAX reduction

• 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 for video applications

• Hysteretic thermal shutdown for automatic recovery

• Large thermal hysteresis prevents PC board overheating

• Standard packages with omitted pins for large creepage

• Active-on and active-off remote ON/OFF capability

• Synchronizable to a lower frequency

EcoSmart™– Energy Efficient

• Cycle skipping reduces no-load consumption

• Reduced consumption in remote off mode

• Half frequency option for high efficiency standby

• Allows shutdown/wake-up via LAN/input port