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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RT9232GS датащи(PDF) 1 Page - Richtek Technology Corporation |
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RT9232GS датащи(HTML) 1 Page - Richtek Technology Corporation |
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1 / 14 page  RT9232 1 DS9232-06 March 2007 www.richtek.com Ordering Information General Description The RT9232 is a single-phase synchronous buck PWM DC-DC converter controller designed to drive twoN-Channel MOSFET. It provides a highly accurate, programmable output voltage precisely regulated to low voltage requirement with an internal 0.8V ± 1% reference. The RT9232 uses an external compensated, single feedback loop voltage mode PWM control for fast transient response. An oscillator with Programmable frequency (50kHz to 800kHz) reduces the external inductor and capacitor component size for saving PCB board area. The RT9232 provides fast transient response to satisfy high current output applications (up to 25A) while minimizing external components. It is suitable for high- performance graphic processors, DDR and VTT power. The RT9232 integrates complete protect functions such as Soft Start, Output Enable, UVLO(under-voltage lockout) into a small 14-pin package. Features Single IC Supply Voltage: 12V Single phase DC/DC Buck Converter with High Output Current (up to 25A ) Low Output Voltage (down to 0.8V ) High Input Voltage (up to 12V ) Operate from 12V, 5V or 3.3V Input 0.8V ± 1% Internal Reference Adaptive Non-Overlapping Gate Drivers Integrated High-Current, HV Gate Drivers External Programmable Soft Start External Programmable Frequency (Range: 50kHz to 800kHz, 200kHz Free Run ) Integrated Output Short Circuit Protection On/Off Control by Enable Pin Drives Two N-Channel MOSFET Full 0 to 100% Duty Cycle Fast Transient Response Voltage Mode PWM Control with External Feedback Loop Compensation RoHS Compliant and 100% Lead (Pb)-Free Applications System (Graphic, MB) with 12V Power. Graphic Cards (AGP 8X, 4X, PCI Express*16): High-Current for High-Performance Graphic Processors (GPU, VPU) Middle Current for High-Performance Graphic Memory Power (DDR, DDR II) Low Current with Sink Capacity for High-Performance Graphic Memory Power (DDR/VTT) 3.3V to 12V Input DC-DC Regulators Low Voltage Distributed Power Supplies Programmable Frequency Synchronous Buck PWM Controller Note : RichTek Pb-free and Green products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. 100%matte tin (Sn) plating. RT SENSE SS COMP BOOT PGND LGATE VCC FB EN PHASE UGATE GND PVCC 2 3 4 11 12 13 14 5 6 7 8 9 10 (TOP VIEW) SOP-14 Pin Configurations RT9232 Package Type S : SOP-14 Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Free with Commer- cial Standard) |
Аналогичный номер детали - RT9232GS |
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Аналогичное описание - RT9232GS |
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ссылки URL |
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