TOP234GN

Family Design Flexible,EcoSmart, Intergrated OFff-line Switcher

 

 

Product Highlights

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

 

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