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參數(shù)資料
| 型號(hào)： | SLF12565T-4R2N5R5 |
| 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溝道場效應(yīng)管同步降壓穩(wěn)壓控制器輸出電壓低 |
| 文件頁數(shù)： | 13/22頁 |
| 文件大小： | 602K |
| 代理商： | SLF12565T-4R2N5R5 |
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SLF12565T-4R2N5R5-H | 功能描述:固定電感器 4.2uH 5.5A RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| SLF12565T-4R2N5R5-PF | 功能描述:固定電感器 SMD 4.2uH 5.5amps RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| SLF12565T-680M2R0-H | 功能描述:固定電感器 68uH 2.0A RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
| SLF12565T-680M2R0PF | 制造商:TDK CORPORATION OF AMERICA 功能描述:Ind Power Shielded Wirewound 68uH 20% 1KHz 2.4A T/R |
| SLF12565T-680M2R0-PF | 功能描述:固定電感器 SMD 68uH 2.0amps RoHS:否 制造商:AVX 電感:10 uH 容差:20 % 最大直流電流:1 A 最大直流電阻:0.075 Ohms 工作溫度范圍:- 40 C to + 85 C 自諧振頻率:38 MHz Q 最小值:40 尺寸:4.45 mm W x 6.6 mm L x 2.92 mm H 屏蔽:Shielded 端接類型:SMD/SMT 封裝 / 箱體:6.6 mm x 4.45 mm |
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