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CS51221 - PWM Controller

Datasheet Summary

Features

  • necessary for basic voltage mode operation. This PWM controller has been optimized for high frequency primary side control operation. In addition, this device includes such features as: Soft.
  • Start, accurate duty cycle limit control, less than 50 mA startup current, over and undervoltage protection, and bidirectional synchronization. The CS51221 is available in a 16 lead SOIC narrow surface mount package. Features.
  • 1.0 MHz Frequency Capability.
  • Fixed Frequency Voltage Mo.

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Datasheet preview – CS51221

Datasheet Details

Part number CS51221
Manufacturer ON Semiconductor
File Size 254.57 KB
Description PWM Controller
Datasheet download datasheet CS51221 Datasheet
Additional preview pages of the CS51221 datasheet.

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Full PDF Text Transcription

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Enhanced Voltage Mode PWM Controller CS51221 The CS51221 fixed frequency feed forward voltage mode PWM controller contains all of the features necessary for basic voltage mode operation. This PWM controller has been optimized for high frequency primary side control operation. In addition, this device includes such features as: Soft−Start, accurate duty cycle limit control, less than 50 mA startup current, over and undervoltage protection, and bidirectional synchronization. The CS51221 is available in a 16 lead SOIC narrow surface mount package. Features • 1.0 MHz Frequency Capability • Fixed Frequency Voltage Mode Operation, with Feed Forward • Thermal Shutdown • Undervoltage Lock−Out • Accurate Programmable Max Duty Cycle Limit • 1.
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