CR6221 Datasheet PDF - Chip-Rail Green-Power Current Mode PWM Power Switch Specs

CR6221 - Green-Power Current Mode PWM Power Switch

This page provides the datasheet information for the CR6221, a member of the CR6221_Chip Green-Power Current Mode PWM Power Switch family.

Datasheet Summary

Description

CR622X combines a dedicated current mode PWM controller with a high voltage power MOSFET.

It is optimized for high performance, low standby power, and cost effective off-line flyback converter applications in sub 24W range.

Features

Soft Start CR622X features an internal 4 ms soft start to soften the electrical stress occurring in the power supply during startup. It is activated during the power on sequence. As soon as VDD reaches UVLO(OFF), the peak current is gradually increased from nearly zero to the maximum level. Every restart up is followed by a soft start. Frequency shuffling for EMI improvement The frequency shuffling (switching frequency modulation) is implemented in CR622X. The oscillation frequency is modulated.

Datasheet Details

Part number	CR6221
Manufacturer	Chip-Rail
File Size	287.42 KB
Description	Green-Power Current Mode PWM Power Switch
Datasheet	CR6221 Datasheet
Additional preview pages of the CR6221 datasheet.

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Full PDF Text Transcription

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CR622X—CR6221/6224/6228/6229 Green-Power Current Mode PWM Power Switch Feature z z z z z z z z Power on Soft Start Reducing MOSFET Vds Stress Frequency shuffling for EMI Burst Mode Control For Improved Efficiency and Minimum Standby power Design Audio Noise Free Operation Normal 50 KHz Switching Frequency Internal Synchronized Slope Compensation Low VDD Startup Current and Low Operating Current Leading Edge Blanking on Current Sense Input z z Pb-Free SOP-8L& DIP-8L Good Protection Coverage With Auto Self-Recovery ¾ VDD Over Voltage Clamp and Under Voltage Lockout with Hysteresis (UVLO) ¾ Line Input Compensated Cycle-by-Cycle Over-current Threshold Setting For Constant Output Power Limiting Over Universal Input Voltage Range ¾ Overload Protection (OLP) ¾ Over Voltage Protection (OVP) Appli

Published: Jan 27, 2014 |