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MC33368 bảng dữ liệu(PDF) 1 Page - ON Semiconductor |
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MC33368 bảng dữ liệu(HTML) 1 Page - ON Semiconductor |
1 / 16 page © Semiconductor Components Industries, LLC, 2005 September, 2005 − Rev. 8 1 Publication Order Number: MC33368/D MC33368 High Voltage GreenLinet Power Factor Controller The MC33368 is an active power factor controller that functions as a boost preconverter in off−line power supply applications. MC33368 is optimized for low power, high density power supplies requiring a minimum board area, reduced component count and low power dissipation. The narrow body SOIC package provides a small footprint. Integration of the high voltage startup saves approximately 0.7 W of power compared to resistor bootstrapped circuits. The MC33368 features a watchdog timer to initiate output switching, a one quadrant multiplier to force the line current to follow the instantaneous line voltage a zero current detector to ensure critical conduction operation, a transconductance error amplifier, a current sensing comparator, a 5.0 V reference, an undervoltage lockout (UVLO) circuit which monitors the VCC supply voltage and a CMOS driver for driving MOSFETs. The MC33368 also includes a programmable output switching frequency clamp. Protection features include an output overvoltage comparator to minimize overshoot, a restart delay timer and cycle−by−cycle current limiting. Features • Lossless Off−Line Startup • Output Overvoltage Comparator • Leading Edge Blanking (LEB) for Noise Immunity • Watchdog Timer to Initiate Switching • Restart Delay Timer • 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. PDIP−16 P SUFFIX CASE 648 SO−16 D SUFFIX CASE 751K 1 16 MARKING DIAGRAMS A = Assembly Location WL = Wafer Lot YY, Y = Year WW = Work Week G = Pb−Free Package 116 13 12 11 10 9 2 3 4 5 6 7 8 5.0 Vref Restart Delay Voltage FB Current Sense Zero Current AGND Line LEB PIN CONNECTIONS Comp Mult Frequency Clamp VCC Gate PGND 116 13 12 11 10 9 2 3 4 5 6 7 8 5.0 Vref Restart Delay Voltage FB Current Sense Zero Current AGND Line LEB Comp Mult Frequency Clamp VCC Gate PGND 15 14 N/C N/C http://onsemi.com 16 1 (TOP VIEW) 1 16 MC33368P AWLYYWWG MC33368D AWLYWWG See detailed ordering and shipping information in the package dimensions section on page 4 of this data sheet. ORDERING INFORMATION 1 16 |
Số phần tương tự - MC33368_05 |
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Mô tả tương tự - MC33368_05 |
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