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參數(shù)資料
| 型號： | MIC4720YMME |
| 廠商： | MICREL INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Dual UART with 16 bytes of transmit and receive FIFOs and infrared (IrDA) encoder/decoder, SOT313-2 (LQFP48), Tray Pack, Bakeable, Single |
| 中文描述： | 11 A SWITCHING REGULATOR, 2200 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | LEAD FREE, MSOP-10 |
| 文件頁數(shù)： | 18/21頁 |
| 文件大?。?/td> | 914K |
| 代理商： | MIC4720YMME |
Micrel, Inc.
MIC4720
Ripple measurements
May 2007
18
M9999-051707
To properly measure ripple on either input or output of a
switching regulator, a proper ring in tip measurement is
required. Standard oscilloscope probes come with a
grounding clip, or a long wire with an alligator clip.
Unfortunately, for high frequency measurements, this
ground clip can pick-up high frequency noise and
erroneously inject it into the measured output ripple.
The standard evaluation board accommodates a home
made version by providing probe points for both the
input and output supplies and their respective grounds.
This requires the removing of the oscilloscope probe
sheath and ground clip from a standard oscilloscope
probe and wrapping a non-shielded bus wire around the
oscilloscope probe. If there does not happen to be any
non shielded bus wire immediately available, the leads
from axial resistors will work. By maintaining the
shortest possible ground lengths on the oscilloscope
probe, true ripple measurements can be obtained.
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| MIC4720YMME TR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 2A 2MHz Buck Regulator in epad MSOP-10 Pkg RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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