TOP247FN

TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher

 

 

 

Product Highlights

Lower System Cost, High Design Flexibility

Extended power range for higher power applications

No heatsink required up to 34 W using P package

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/F 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 DCMAX

 at high line  

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/F 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 at 110 VAC, 160 mW at 230 VAC)

Frequency lowered with load for high standby efficiency

Allows shutdown/wake-up via LAN/input port

 

 

 

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