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ACE150133FM+H Arkusz danych(PDF) 5 Page - ACE Technology Co., LTD. |
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ACE150133FM+H Arkusz danych(HTML) 5 Page - ACE Technology Co., LTD. |
5 / 13 page ACE150X Technology 150KHz,2A ,PWM Step-Down DC/DC Converter VER 1.2 5 Notes: Thermal Considerations: The SOP-8 package needs a heat sink under most conditions. The size of the heat sink depends on the input voltage, the load current and ambient temperature. The ACE150X junction temperature rises above ambient temperature for a 2A load and different input and output voltages. The data for these curves was taken with the ACE150X(SOP-8 package) operating as a buck-switching regulator in an ambient temperature of 25℃ (still air). These temperature increments are all approximate and are affected by many factors. Higher ambient temperatures require more heat sinker. For the best thermal performance, wide copper traces and generous amounts of printed circuit board copper should be used in the board layout. ( One exception is the output(switch) pin, which should not have large areas of copper.) Large areas of copper provide the best transfer of heat (lower thermal resistance) to the surrounding air, and moving air lowers the thermal resistance even further. Package thermal resistance and junction temperature increments are affected by a lot of factors. Some of these factors include board size, shape, thickness, position, location, and even board temperature. Other factors are, trace width, total printed circuit copper area, copper thickness, single or double-sided, multi-layer board and the amount of solder on the board. The effectiveness of the PC board to dissipate heat also depends on the size, Furthermore, some of these components such as the catch diode will add heat to the PC board and the heat can vary as the input voltage changes. For the inductor, depending on the physical size, type or core material and the DC resistance, it could either act as a heat sink taking heat away from the board, or it could add heat to the board. Application Data 3A Diode 3A Diode Surface Mount Through Hole Surface Mount Through Hole VR(V) Scgittky Schottky Scgittky Schottky 20 SK32 1N5820 SR302 MBR320 1N5823 SR502 MBR520 30 SK33 1N5821 MBR330 31DQ03 50WQ03 1N5824 SR503 SB530 40 SK34 MBRS340 1N5822 SR304 MBR340 31DQ04 50WQ04 1N5825 SR504 SB540 50 SK35 MBRS360 SR305 MBR350 31DQ05 MUR320 50WQ05 50WF10 SB550 50SQ080 HER601 MUR620 |
Podobny numer części - ACE150133FM+H |
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Podobny opis - ACE150133FM+H |
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