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CS51220 数据表(PDF) 1 Page - ON Semiconductor |
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CS51220 数据表(HTML) 1 Page - ON Semiconductor |
1 / 16 page © Semiconductor Components Industries, LLC, 2006 July, 2006− Rev. 7 1 Publication Order Number: CS51220/D CS51220 Feed Forward Voltage Mode PWM Controller with Programmable Synchronization CS51220 is a single output PWM Controller with switching frequency up to 500 kHz. The feed forward voltage mode control provides excellent line regulation for wide input range. This PWM controller has a synchronization output allowing programmable phase delay. For overcurrent protection, the “soft hiccup” technique effectively limits the output current with maximum flexibility. In addition, this device includes such features as: soft start, pulse−by−pulse current limit, programmable foldback current limit, volt−second clamping, maximum duty cycle, overvoltage and undervoltage protection, and synchronization input. The CS51220 is available in 16 SO narrow surface mount package. Features • Constant Frequency Feed Forward Voltage Mode Control • Programmable Pulse by Pulse Overcurrent Limit • Programmable Foldback Overcurrent Limit with Delay • Soft Hiccup Overcurrent Protection with Programmable Foldback • Frequency Synchronization Output with Programmable Phase Delay • Synchronization Input to Higher or Lower Frequency • Direct Connection to External Opto Isolators • Logic Gate Output Signal • Accurate Volt−Second Clamping • Programmable Soft Start • Logic Input to Disable IC • Line Overvoltage and Undervoltage Monitoring • 3.3 V 3% Reference Voltage Output http://onsemi.com Device Package Shipping ORDERING INFORMATION SO−16 48 Units/Rail SO−16 2500 Tape & Reel SO−16 D SUFFIX CASE 751B A = Assembly Location WL, L = Wafer Lot YY, Y = Year WW, W = Work Week CT UV 1 16 SYNCI OV DISABLE ISENSE FF ISET COMP VREF SS VCC VSD GND SYNCO VO PIN CONNECTIONS AND MARKING DIAGRAM 1 16 CS51220ED16 CS51220EDR16 |
类似零件编号 - CS51220 |
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类似说明 - CS51220 |
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