參數(shù)資料
型號： SI9160
廠商： Vishay Intertechnology,Inc.
英文描述： Controller for RF Power Amplifier Boost Converter
中文描述： 射頻功率放大器控制器升壓轉(zhuǎn)換器
文件頁數(shù)： 11/11頁
文件大小： 119K
代理商： SI9160
Si9160
Vishay Siliconix
Document Number: 70029
S-40700—Rev. H, 19-Apr-04
www.vishay.com
11
FIGURE 6.
Efficiency of Si9160 and Si6801 Boost converter
at various fixed frequencies
30
40
50
60
70
80
90
100
0.0
0.2
0.4
0.6
0.8
1.0
Output Current (A)
E
V
IN
= 3.6
V
OUT
= 5 V
f = 1 MHz
f = 1.8 MHz
f = 1.4 MHz
f = 600 kHz
FIGURE 7.
Output noise of the Si9160 demo board
CH1: Output Ripple (50 mV/DIV)
CH2: P- and N-Channel Drain Voltage (2 V/DIV)
500 ns/DIV
CH1
CH2
FIGURE 8.
Spectrum response for the Si9160 demo board output voltage
FIGURE 9.
Higher resolution of noise spectrum
50 mV
5 mV
<1 mV
Noise Floor
50 mV
5 mV
<1 mV
Noise Floor
1 kHz
10 kHz
100 kHz
1 MHz
10 MHz
100 MHz
1 MHz
2 MHz
3 MHz
5 MHz
10 MHz
Switching Frequency = 1 MHz
Switching Frequency = 1 MHz
Conclusion
Switching at high, known frequencies results in a smaller
footprint while maintaining high efficiency. Efficiencies at high
switching frequencies can be improved by using Si6801
optimized low gate charge and low gate resistance MOSFET.
Additionally, synchronization to an external high frequency
clock eliminates or greatly reduces any radio interference
concerns and pushes harmonics out beyond signal
processing frequencies.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SI9160BQ-T1 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 2MHz Controller RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
SI9160BQ-T1-E3 功能描述:DC/DC 開關(guān)控制器 Boost Conv For RF Pwr Amp RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
SI9160DB 功能描述:電源管理IC開發(fā)工具 SI9160 Demo Board RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
SI9161 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:Optimized-Efficiency Controller for RF Power Amplifier Boost Converter
SI9161BQ-T1 功能描述:DC/DC 開關(guān)控制器 Opt-Efficiency Cont RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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