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參數(shù)資料
| 型號(hào)： | FAN5607HMPX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | LED Driver with Adaptive Charge Pump DC/DC Converter |
| 中文描述： | LED DISPLAY DRIVER, DSO16 |
| 封裝： | 4 X 4 MM, MO-220VGGC-3, MLP-16 |
| 文件頁(yè)數(shù)： | 11/13頁(yè) |
| 文件大?。?/td> | 546K |
| 代理商： | FAN5607HMPX |
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PRODUCT SPECIFICATION
FAN5607
REV. 1.0.0 6/22/04
11
Selecting Capacitors
It is important to select the appropriate capacitor types and
the values for use with the FAN5607. These capacitors deter-
mine parameters such as power efficiency, maximum sus-
tainable load current by the charge pump, input and output
ripple and start-up process.
In order to reduce ripple, both C
IN
and C
OUT
should be low
ESR capacitors. Increasing the C
OUT
capacitor reduces the
output ripple voltage. However this will increase the power-
on time. The C
IN
value controls input ripple. If necessary,
this ripple can be further reduced by powering the FAN5607
through the RC input filter, as shown in Figure 7. Two low
ESR bucket capacitors of value between 0.1μF to 1μF,
should be used for best efficiency in boost mode. The bucket
capacitor, CAP1 = CAP2 = 1μF is recommended, if the
FAN5607 is required to start at battery voltage lower than
3V.
PC Board Layout
For best performance, a solid ground plane is recommended
on the back side of the PCB. The ground tails of C
IN
and
C
OUT
should be connected together close to the GND pin of
IC.
0.22
10
μ
F
4.7
μ
F
Input
Power
Supply
V
IN
FAN5607
GND
Figure 7. Battery Ripple Reduction
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FAN5608 | 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:Serial / Parallel LED Driver with Current-Regulated, Step-Up DC/DC Converter |
| FAN5608_06 | 制造商:FAIRCHILD 制造商全稱(chēng):Fairchild Semiconductor 功能描述:Serial / Parallel LED Driver with Current-Regulated, Step-Up DC/DC Converter |
| FAN5608DHMPX | 功能描述:LED照明驅(qū)動(dòng)器 LED Driver Serial/Parallel RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| FAN5608DMPX | 功能描述:LED照明驅(qū)動(dòng)器 LED Driver Serial/Parallel RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| FAN5608DMPX_Q | 功能描述:LED照明驅(qū)動(dòng)器 LED Driver Serial/Parallel RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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