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CS2841BED14G データシート(PDF) 1 Page - ON Semiconductor |
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CS2841BED14G データシート(HTML) 1 Page - ON Semiconductor |
1 / 10 page © Semiconductor Components Industries, LLC, 2005 September, 2005 − Rev. 7 1 Publication Order Number: CS2841B/D CS2841B Automotive Current Mode PWM Control Circuit The CS2841B provides all the necessary features to implement off−line fixed frequency current−mode control with a minimum number of external components. The CS2841B (a variation of the CS2843A) is designed specifically for use in automotive operation. The low start threshold voltage of 8.0 V (typ), and the ability to survive 40 V automotive load dump transients are important for automotive subsystem designs. The CS2841 series has a history of quality and reliability in automotive applications. The CS2841B incorporates a precision temperature−controlled oscillator with an internally trimmed discharge current to minimize variations in frequency. Duty−cycles greater than 50% are also possible. On board logic ensures that VREF is stabilized before the output stage is enabled. Ion implant resistors provide tighter control of undervoltage lockout. Features • Optimized for Off−Line Control • Internally Trimmed Temperature Compensated Oscillator • Maximum Duty−Cycle Clamp • VREF Stabilized Before Output Stage Enabled • Low Start−Up Current • Pulse−By−Pulse Current Limiting • Improved Undervoltage Lockout • Double Pulse Suppression • 1.0 % Trimmed Bandgap Reference • High Current Totem Pole Output • 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. CS2841B = Device Code A = Assembly Location WL = Wafer Lot YY, Y = Year WW = Work Week G = Pb−Free Package PDIP−8 N SUFFIX CASE 626 PIN CONNECTIONS AND MARKING DIAGRAM VREF VCC VOUT GND COMP VFB Sense OSC 1 8 SOIC−14 D SUFFIX CASE 751A GND OSC PWR GND NC VOUT Sense VCC PWR NC VCC VFB NC NC VREF COMP 1 14 SOIC−14 PDIP−8 http://onsemi.com See detailed ordering and shipping information in the package dimensions section on page 2 of this data sheet. ORDERING INFORMATION |
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同様の説明 - CS2841BED14G |
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