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CS51022A 数据表(PDF) 1 Page - ON Semiconductor |
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CS51022A 数据表(HTML) 1 Page - ON Semiconductor |
1 / 11 page © Semiconductor Components Industries, LLC, 2006 February, 2006 − Rev. 8 1 Publication Order Number: CS51021A/D CS51021A, CS51022A, CS51023A, CS51024A Enhanced Current Mode PWM Controller The CS51021A/2A/3A/4A Fixed Frequency PWM Current Mode Controller family provides all necessary features required for AC−DC or DC−DC primary side control. Several features are included eliminating the additional components needed to implement them externally. In addition to low startup current (75 mA) and high frequency operation capability, the CS51021A/2A/3A/4A family includes overvoltage and undervoltage monitoring, externally programmable dual threshold overcurrent protection, current sense leading edge blanking, current slope compensation, accurate duty cycle control and an externally available 5.0 V reference. The CS51021A and CS51023A feature bidirectional synchronization capability, while the CS51022A and CS51024A offer a sleep mode with 100 mA maximum IC current consumption. The CS51021A/2A/3A/4A family is available in a 16 lead narrow body SOIC package. Device Sleep/Synch VCC Start/Stop CS51021A Synch 8.25 V/7.7 V CS51022A Sleep 8.25 V/7.7 V CS51023A Synch 13 V/7.7 V CS51024A Sleep 13 V/7.7 V Features • 75 mA Max. Startup Current • Fixed Frequency Current Mode Control • 1.0 MHz Switching Frequency • Undervoltage Protection Monitor • Overvoltage Protection Monitor with Programmable Hysteresis • Programmable Dual Threshold Overcurrent Protection with Delayed Restart • Programmable Soft Start • Accurate Maximum Duty Cycle Limit • Programmable Slope Compensation • Leading Edge Current Sense Blanking • 1.0 A Sink/Source Gate Drive • Bidirectional Synchronization (CS51021A/3A) • 50 ns PWM Propagation Delay • 100 mA Max Sleep Current (CS51022A/4A) • Pb−Free Packages are Available* *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. x = Specific Device Code A = Assembly Location WL, L = Wafer Lot Y = Year WW, W = Work Week G or G = Pb−Free Package SOIC−16 D SUFFIX CASE 751B 1 16 VFB ISET 1 16 COMP RTCT SS OV LGND UV VREF SLOPE VCC SLEEP or SYNC PGND ISENSE VC GATE PIN CONNECTIONS AND MARKING DIAGRAMS http://onsemi.com 1 16 TSSOP−16 DTB SUFFIX CASE 948F 116 See detailed ordering and shipping information in the package dimensions section on page 9 of this data sheet. ORDERING INFORMATION |
类似零件编号 - CS51022A |
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类似说明 - CS51022A |
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