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參數(shù)資料
| 型號： | C4532X5R1E156M |
| 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)： | 14/22頁 |
| 文件大?。?/td> | 602K |
| 代理商： | C4532X5R1E156M |
Example Circuits
(Continued)
This circuit design, detailed in the Design Considerations
section, uses inexpensive aluminum capacitors and off-the-
shelf inductors. It can deliver 10A at better than 85% effi-
ciency. Large bulk capacitance on input and output ensure
stable operation.
The example circuit of
Figure 4
has been designed for
minimum component count and overall solution size. A
switching frequency of 600kHz allows the use of small input/
output capacitors and a small inductor. The availability of
separate 5V and 12V supplies (such as those available from
desk-top computer supplies) and the low current further
reduce component count. Using the 12V supply to power the
MOSFET drivers eliminates the bootstrap diode, D1. At low
currents, smaller FETs or dual FETs are often the most
efficient solutions. Here, the Si4826DY, an asymmetric dual
FET in an SO-8 package, yields 92% efficiency at a load of
2A.
20049404
FIGURE 3. 5V to 1.2V, 10A, 300kHz
20049405
FIGURE 4. 5V to 1.8V, 3A, 600kHz
L
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| C4532X5R1E156M/2.50 | 功能描述:多層陶瓷電容器MLCC - SMD/SMT RoHS:否 制造商:Johanson Dielectrics 電容:2.2 uF 容差:10 % 電壓額定值:10 V 溫度系數(shù)/代碼: 外殼代碼 - in:0603 外殼代碼 - mm:1608 工作溫度范圍:- 55 C to + 85 C 產(chǎn)品: 封裝:Reel |
| C4532X5R1E156M/2.80 | 功能描述:多層陶瓷電容器MLCC - SMD/SMT 15uF 20% 25Volts RoHS:否 制造商:American Technical Ceramics (ATC) 電容:10 pF 容差:1 % 電壓額定值:250 V 溫度系數(shù)/代碼:C0G (NP0) 外殼代碼 - in:0505 外殼代碼 - mm:1414 工作溫度范圍:- 55 C to + 125 C 產(chǎn)品:Low ESR MLCCs 封裝:Reel |
| C4532X5R1E156M/3 | 制造商:TDK CORPORATION OF AMERICA 功能描述:MLCC |
| C4532X5R1E156M250KA | 制造商:TDK 功能描述:CAP CER 15UF 25V 20% X5R 1812 |
| C4532X5R1E156M280KA | 制造商:TDK 功能描述:CAP 15UF 25VDC X5R 20% SMD 1812 - Tape and Reel 制造商:TDK 功能描述:CAP CER 15UF 25V 20% X5R 1812 制造商:TDK 功能描述:CAPACITOR CERAMIC, 15UF, 25V, X5R, 20%, 1812; Capacitance:15F; Capacitance Tolerance: 20%; Dielectric Characteristic:X5R; Voltage Rating:25V; Capacitor Case Style:1812 [4532 Metric]; Capacitor Terminals:SMD; Capacitor Mounting:SMD ;RoHS Compliant: Yes 制造商:TDK CORPORATION OF AMERICA 功能描述:Case:C4532, T.C:X5R, Voltage:1E, Cap Value:156, Tol:M, Thickness:2.8, E series: 6 |
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