Datenblatt-Suchmaschine für elektronische Bauteile |
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MC44604 Datenblatt(PDF) 1 Page - ON Semiconductor |
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MC44604 Datenblatt(HTML) 1 Page - ON Semiconductor |
1 / 22 page © Semiconductor Components Industries, LLC, 2005 October, 2005 − Rev. 5 1 Publication Order Number: MC44604/D MC44604 High Safety Pulsed Mode Standby GreenLine t PWM Controller The MC44604 is an enhanced high performance controller that is specifically designed for off−line and dc−to−dc converter applications. Its high current totem pole output is ideally suited for driving a power MOSFET. The MC44604 is an evolution of the MC44603A. Like the MC44603A, the MC44604 has been optimized to operate with universal ac mains voltage from 80 V to 280 V. It also offers enhanced safety and reliable power management thanks to its protection features (foldback, overvoltage detection, soft−start, accurate demagnetization detection). In addition, the MC44604 offers a new efficient way to reduce the standby operating power by means of a so−called pulsed mode standby operation of the converter, significantly reducing the converter consumption in standby mode. Current Mode Controller • Operation Up to 250 kHz Output Switching Frequency • Inherent Feed Forward Compensation • Latching PWM for Cycle−by−Cycle Current Limiting • Oscillator with Precise Frequency Control High Flexibility • Externally Programmable Reference Current • Secondary or Primary Sensing • High Current Totem Pole Output • Undervoltage Lockout with Hysteresis Safety/Protection Features • Overvoltage Protection Facility Against Open Loop • Protection Against Short Circuit on Oscillator Pin • Fully Programmable Foldback • Soft−Start Feature • Accurate Maximum Duty Cycle Setting • Demagnetization (Zero Current Detection) Protection • Internally Trimmed Reference GreenLine t Controllert • Low Startup and Operating Current • Pulsed Mode Standby for Low Standby Losses • Low dV/dT for Low EMI Features • Pb−Free Package is 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. Device Package Shipping ORDERING INFORMATION MC44604P PDIP−16 25 Units / Rail PIN CONNECTIONS 116 13 12 11 10 9 2 3 4 5 6 7 8 (Top View) VCC VC Output Overvoltage Protection Current Sense Input Demagnetization Detection Input Rref Standby Current Set GND Foldback Input CT Soft−Start/Dmax/ Voltage Mode Clamp Error Amp Input Error Amp Output 15 14 Error Amp Input Standby Management http://onsemi.com MC44604PG PDIP−16 (Pb−Free) 25 Units / Rail MARKING DIAGRAM PDIP−16 P SUFFIX CASE 648 16 1 MC44604P AWLYYWWG 16 1 A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb−Free Package |
Ähnliche Teilenummer - MC44604_05 |
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Ähnliche Beschreibung - MC44604_05 |
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