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STR3A151 - PWM Off-Line Switching Regulator ICs

Datasheet Summary

Description

STR3A100 series are power ICs for switching power supplies, incorporating a power MOSFET and a current mode PWM controller IC in one package.

Features

  • Current mode PWM control.
  • Built-in Random Switching function: reduces EMI noise, simplifies EMI filters, and cuts cost by external part reduction.
  • Built-in Slope Compensation function: avoids subharmonic oscillation.
  • Built-in Leading Edge Blanking (LEB) function.
  • Auto Standby function: ▫ Input power, PIN < 10 mW at no load with low power consumption shunt regulator ▫ Normal load operation: PWM switching ▫ Light load operation: Standby mode (Burst osc.

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Datasheet preview – STR3A151

Datasheet Details

Part number STR3A151
Manufacturer Sanken
File Size 260.79 KB
Description PWM Off-Line Switching Regulator ICs
Datasheet download datasheet STR3A151 Datasheet
Additional preview pages of the STR3A151 datasheet.

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Full PDF Text Transcription

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STR3A151, STR3A152, STR3A153, STR3A154, STR3A155 PWM Off-Line Switching Regulator ICs Features and Benefits • Current mode PWM control • Built-in Random Switching function: reduces EMI noise, simplifies EMI filters, and cuts cost by external part reduction • Built-in Slope Compensation function: avoids subharmonic oscillation • Built-in Leading Edge Blanking (LEB) function • Auto Standby function: ▫ Input power, PIN < 10 mW at no load with low power consumption shunt regulator ▫ Normal load operation: PWM switching ▫ Light load operation: Standby mode (Burst oscillation) Continued on the next page… Package: DIP8 Not to scale Description STR3A100 series are power ICs for switching power supplies, incorporating a power MOSFET and a current mode PWM controller IC in one package.
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