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参数资料
| 型号： | AME5130AEEVADJ |
| 厂商： | AME, Inc. |
| 英文描述： | Micropower Step-Up DC/DC Converter |
| 中文描述： | 微功耗升压型DC / DC转换器 |
| 文件页数： | 8/16页 |
| 文件大小： | 511K |
| 代理商： | AME5130AEEVADJ |
AME, Inc.
8
Micropower Step-Up DC/DC Converter
AME5130
CAPACITOR SELECTION
Choose low ESR capacitors for the output to minimize
output voltage ripple. Multilayer ceramic capacitors are the
best choice. For most applications, a 1
μ
F ceramic capaci-
tor is sufficient. For some applications a reduction in output
voltage ripple can be achieved by increasing the output ca-
pacitor. Local bypassing for the input is needed on the
AME5130. Multilayer ceramic capacitors are a good choice
for this as well. A 4.7
μ
F capacitor is sufficient for most appli-
cations. For additional bypassing, a 100nF ceramic capaci-
tor can be used to shunt high frequency ripple on the input.
LAYOUT CONSIDERATIONS
The input bypass capacitor C
, as shown in Figure 3,
must be placed close to the IC. This will reduce copper
trace resistance which effects input voltage ripple of the IC.
For additional input voltage filtering, a 100nF bypass ca-
pacitor can be placed in parallel with C
to shunt any high
frequency noise to ground. The output capacitor, C
,
should also be placed close to the IC. Any copper trace
connections for the C
capacitor can increase the series
resistance, which directly effects output voltage ripple. The
feedback network, resistors R1 and R2, should be kept close
to the FB pin to minimize copper trace connections that
can inject noise into the system. The ground connection for
the feedback resistor network should connect directly to an
analog ground plane. The analog ground plane should tie
directly to the GND pin. If no analog ground plane is avail-
able, the ground connection for the feedback network should
tie directly to the GND pin. Trace connections made to the
inductor and schottky diode should be minimized to reduce
power dissipation and increase overall efficiency.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AME5130AEEVADJZ | 制造商:AME 制造商全称:Analog Microelectronics 功能描述:Micropower Step-Up DC/DC Converter |
| AME5131 | 制造商:AME 制造商全称:Analog Microelectronics 功能描述:Low Power DC/DC Boost Converter |
| AME5131AEEV | 制造商:AME 制造商全称:Analog Microelectronics 功能描述:Low Power DC/DC Boost Converter |
| AME5131AEEVADJZ | 制造商:AME 制造商全称:Analog Microelectronics 功能描述:Low Power DC/DC Boost Converter |
| AME5136 | 制造商:AME 制造商全称:Analog Microelectronics 功能描述:Integrated White LED Driver With Organic LED Display Power Supply |
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