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T0P245

Part Number	T0P245
Manufacturer	Power Integrations
Description	Integrated Off-line Switcher
Published	May 27, 2006
Detailed Description	www.DataSheet4U.com TOP242-249 TOPSwitch®-GX Family Extended Power, Design Flexible, ® EcoSmart , Integrated Off-line S...
Datasheet	T0P245 PDF File

Overview

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 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 packages for video applications • Hysteretic thermal shutdown for aut...

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