參數(shù)資料
型號(hào)： VJ1206X123KXX
廠商： National Semiconductor Corporation
英文描述： N-Channel FET Synchronous Buck Regulator Controller for Low Output Voltages
中文描述： N溝道場(chǎng)效應(yīng)管同步降壓穩(wěn)壓控制器輸出電壓低
文件頁(yè)數(shù)： 13/22頁(yè)
文件大小： 602K
代理商： VJ1206X123KXX
Application Information
(Continued)
FET Conduction Loss
P
Cn
= 0.533W
Input Capacitor Loss
4.28
2
*0.018/2 = 0.084W
Input Inductor Loss
P
Lin
= I
2in
* DCR
input-L
2.82
2
*0.007 = 0.055W
Output Inductor Loss
P
Lout
= I
2o
* DCR
output-L
10
2
*0.004 = 0.4W
System Efficiency
Example Circuits
This circuit and the one featured on the front page have been
designed to deliver high current and high efficiency in a small
package, both in area and in height The tallest component in
this circuit is the inductor L1, which is 6mm tall. The com-
pensation has been designed to tolerate input voltages from
5 to 16V.
20049403
FIGURE 2. 5V-16V to 3.3V, 10A, 300kHz
L
www.national.com
13
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