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AME5297 Datasheet(PDF) 1 Page - Analog Microelectronics |
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AME5297 Datasheet(HTML) 1 Page - Analog Microelectronics |
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1 / 14 page  AME 1 AME5297 Rev. A.05 3A, 18V, 500KHz Synchronous Step-DownDC/DC Converter n Typical Application n General Description The AME5297 is a high frequency synchronous stepdown DC-DC converter with built internal power MOSFETs. That provides wide 4.5V to 18V input voltage range and 3A continuous load current capability. The AME5297 has synchronous mode operation for higher efficiency over output current load range. The AME5297 is current mode control scheme which provides fast transient reponse. Internal compensation function. n Features l Wide 4.5V to 18V Operating Input Range l 80m Ω/30mΩ Low R DS(ON) internal Power MOSFETs l Proprietary Switching Loss Reduction Techn -ique l High Efficiency Synchronous Mode Operation l Fixed 500KHz Switching Frequency l External Programmable Soft Start l OCP and Hiccup l Thermal Shutdown l Output Adjustable from 0.8V l RoHS Compliant and Halogen Free n Application l Notebook Systems and I/O Power l Digital Set Top Boxes l LCD Display, TV l Networking, XDSL Modem VCC BST IN FB SS EN/SYNC SW GND AME5297 C4 0.1uF R3 33K C1 22uF 25V VIN 4.5-18V L1 4.7uH C2 47uF R1 40.2K R2 13K VOUT 3.3V 3A C3 1uF EN C4 22nF R4 10 Ω |
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Descripción similar - AME5297 |
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