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ACE150650FM+H Folha de dados(PDF) 5 Page - ACE Technology Co., LTD.

Nome de Peças ACE150650FM+H
Descrição Electrónicos  150KHz,2A, PWM Step-Down DC/DC Converter
Download  13 Pages
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Fabricante Electrônico  ACE [ACE Technology Co., LTD.]
Página de início  http://www.ace-ele.com
Logo ACE - ACE Technology Co., LTD.

ACE150650FM+H Folha de dados(HTML) 5 Page - ACE Technology Co., LTD.

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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


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