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參數(shù)資料
| 型號： | C2012X5R0J226 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Up to 500 mA, High Efficiency Synchronous Step-Down DC-DC Converter |
| 中文描述： | 多達500個，高效率同步降壓毫安型DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 162K |
| 代理商： | C2012X5R0J226 |
NCP1511
http://onsemi.com
13
PCB Layout Recommendations
Good PCB layout plays an important role in switching
mode power conversion. Careful PCB layout can help to
minimize ground bounce, EMI noise and unwanted feedback
that can affect the performance of the converter. Hints
suggested below can be used as a guideline in most situations.
1. Use starground connection to connect the IC ground
nodes and capacitor GND nodes together at one point.
Keep them as close as possible. And then connect this to the
ground plane through several vias. This will reduce noise
in the ground plane by preventing the switching currents
from flowing through the ground plane.
2. Place the power components (i.e., input capacitor,
inductor and output capacitor) as close together as possible
for best performance. All connecting traces must be short,
direct, and wide to reduce voltage errors caused by resistive
losses through the traces.
3. Separate the feedback path of the output voltage from
the power path. Keep this path close to the NCP1511
circuit. And also route it away from noisy components.
This will prevent noise from coupling into the voltage
feedback trace.
4. Place the DCDC converter away from noise sensitive
circuitry, such as RF circuits.
The following shows the NCP1511 demo board layout
and bill of materials:
Figure 27. Top and Silkscreen Layer
Figure 28. Soldermask Top and Silkscreen Layer
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| C2012X5R0J226K | 制造商:ANALOGICTECH 制造商全稱:Advanced Analogic Technologies 功能描述:1MHz Step-Down Converter/LDO Regulator |
| C2012X5R0J226K/0.85 | 功能描述:多層陶瓷電容器MLCC - SMD/SMT 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 |
| C2012X5R0J226K/1.25 | 功能描述:多層陶瓷電容器MLCC - SMD/SMT 22uF 10% 6.3Volts 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 |
| C2012X5R0J226K125AB | 制造商:TDK Innoveta 功能描述:Cap Ceramic 22uF 6.3V X5R 10% SMD 0805 85C T/R 制造商:TDK 功能描述:CAP 22UF 6.3VDC X5R 10% SMD 0805 - Tape and Reel 制造商:TDK 功能描述:CAP CER 22UF 6.3V 10% X5R 0805 制造商:TDK 功能描述:C Series 0805 22 uF 6.3 V 10 % Tolerance X5R SMT Multilayer Ceramic Capacitor 制造商:TDK 功能描述:CAPACITOR CERAMIC, 22UF, 6.3V, X5R, 10%, 0805; Capacitance:22F; Capacitance Tolerance: 10%; Dielectric Characteristic:X5R; Voltage Rating:6.3V; Capacitor Case Style:0805 [2012 Metric]; Capacitor Terminals:SMD; No. of Pins:2 ;RoHS Compliant: Yes 制造商:TDK CORPORATION OF AMERICA 功能描述:Case:C2012, T.C:X5R, Voltage:0J, Cap Value:226, Tol:K, Thickness:1.25, E series: 3 |
| C2012X5R0J226M | 功能描述:多層陶瓷電容器MLCC - SMD/SMT 0805 22uF 6.3volts X5R 20% 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 |
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