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參數(shù)資料
| 型號： | PTH03030W |
| 英文描述： | Fully-integrated linear lighting ballast, IR21571, European version, 230VAC line, 36W/T8 lamp |
| 中文描述： | 30答：3.3 - V輸入寬輸出調(diào)節(jié)插入電源模塊 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 181K |
| 代理商： | PTH03030W |
Application Notes
For technical support and more information, see inside back cover or visit www.ti.com
Table 2-1: Input/Output Capacitors
Capacitor Recommendations for
the PTH03020 &
PTH05020 Series of Power Modules
Input Capacitor
The recommended input capacitance is determined by
700 mArms minimum ripple current rating and 1,000 μF
minimum capacitance.
Ripple current and <100 m
equivalent series resistance
(ESR) values are the major considerations, along with
temperature, when designing with different types of
capacitors. Tantalum capacitors have a recommended
minimum voltage rating of twice,
2
×
(the maximum DC
voltage + AC ripple). This is necessary to insure reliability
for input voltage bus applications.
Output Capacitors (Optional)
The ESR of the capacitors is equal to or less than 150 m
.
Electrolytic capacitors have marginal ripple performance
at frequencies greater than 400 kHz but excellent low
frequency transient response. Above the ripple frequency,
ceramic capacitors are necessary to improve the transient
response and reduce any high frequency noise components
apparent during higher current excursions. Preferred low
ESR type capacitor part numbers are identified in Table 2-1.
Tantalum Capacitors
Tantalum type capacitors can be used for the output, but
only the AVX TPS, Sprague 593D/594/595or Kemet
T495/T510 series. These capacitors are recommended
over many other tantalum types due to their higher rated
surge, power dissipation, and ripple current capability.
As a caution the TAJ series by AVX is not recommended.
This series has considerably higher ESR, reduced power
dissipation, and lower ripple current capability. The TAJ
series is less reliable than the AVX TPS series when
determining power dissipation capability. Tantalum or
Oscon types are recommended for applications where
ambient temperatures fall below 0 °C.
Ceramic Capacitors
Electrolyitic capacitors may be substituted with ceramic
types with the minimum capacitance, for improved ripple
reduction on the input and output bus.
Capacitor Table
Table 2-1 identifies the characteristics of capacitors from a
number of vendors with acceptable ESR and ripple current
(rms) ratings. The number of capacitors required at both
the input and output buses is identified for each capacitor
type.
This is not an extensive capacitor list. Capacitors from other
vendors are available with comparable specifications. Those
listed are for guidance. The RMS ripple current rating and
ESR (at 100kHz) are critical parameters necessary to insure
both optimum regulator performance and long capacitor life.
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PTH03020 & PTH05020 Series
相關PDF資料 |
PDF描述 |
|---|---|
| PTH03010W | Dimming lighting ballast, IR2159, European version, 230VAC line, 36W/T8 lamp |
| PTH05000W | Fully-integrated linear lighting ballast, IR21571, European version, 230VAC line, 36W/T8 lamp |
| PTH12000W | 32W Fully-integrated linear lighting ballast, IR21571, U.S. version, 120VAC line, 32W/T8 lamp |
| PTH12030W | Universal Input Linear Fluorescent Ballast using the IR2167 |
| PTH8C16TBB101M | Universal Input Linear Fluorescent Ballast using the IR2166 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PTH03030WAD | 功能描述:DC/DC轉(zhuǎn)換器 2.95-3.65Vin 30A 1.370" x1.120"x0.354 RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH03030WADT | 制造商:ARTESYN 制造商全稱:Artesyn Technologies 功能描述:DC-DC CONVERTERS POLA Non-isolated |
| PTH03030WAH | 功能描述:DC/DC轉(zhuǎn)換器 30A 3.3V-In Wide-Out Adj Plug-in Pwr Mdl RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH03030WAHT | 制造商:ARTESYN 制造商全稱:Artesyn Technologies 功能描述:DC-DC CONVERTERS POLA Non-isolated |
| PTH03030WAS | 功能描述:DC/DC轉(zhuǎn)換器 30A 3.3V-In Wide-Out Adj Plug-in Pwr Mdl RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風格:SMD/SMT 封裝 / 箱體尺寸: |
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