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OB2269 - PWM controller

General Description

The OB2269 is a highly integrated currentmode

current.

power of off line flyback convertor.

power is up to 120W.

Key Features

  • CR.
  • Digit frequency shuffling technology to O improve EMI performance. 2、Over voltage protection (OVP) on VDD. 3、Cycle-by-Cycle current limitation 4、Over load protection (OLP) 5、Over temperature protection (OTP).
  • Current limitation compensation to obtain the same output current in.
  • External programmable PWM switching frequency. S Leading edge Blanking on current sense e input. m Internal synchronized slope i compensation . c Burst mode control to improve effic.

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Datasheet Details

Part number OB2269
Manufacturer JSMICRO
File Size 805.67 KB
Description PWM controller
Datasheet download datasheet OB2269 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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OB2269 Description The OB2269 is a highly integrated currentmode  Low start-up current and low operating PWM controller IC for those high output current. power of off line flyback convertor. The output  Comprehensive protection functions power is up to 120W. 1 、 Under voltage locked with OB2269 is integrated start-up circuit that hysteresis (UVLO) on VDD realizes low quiescent dissipation and overload compensation. J OB2269 has comprehenisve protecit onf eature S to ensure reliability of application system. M The packaging of OB2269 has SOP8 and DIP8. I Features CR  Digit frequency shuffling technology to O improve EMI performance. 2、Over voltage protection (OVP) on VDD.