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參數(shù)資料
| 型號(hào)： | PTH12030W |
| 英文描述： | Universal Input Linear Fluorescent Ballast using the IR2167 |
| 中文描述： | 26答：12 - 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> | 171K |
| 代理商： | PTH12030W |
Application Notes
For technical support and more information, see inside back cover or visit www.ti.com
Capacitor Recommendations for the PTH12000
6-A Kestrel Regulator Series
Input Capacitors
The recommended input capacitance is determined by
750 mA (rms) minimum ripple current rating, less than
150 m
equivalent series resistance (ESR) and 100 μF
minimum capacitance. The ripple current rating, ESR,
and operating temperature are the major considerations
when selecting the input capacitor.
It is recommended that tantalum capacitors have a mini-
mum voltage rating of at least twice the working voltage,
including the ac ripple. This is necessary to insure reli-
ability with 12-V input voltage bus applications. Only
one tantalum capacitor (68 μF, 25 V) was found to meet
this requirement.
Output Capacitors (Optional)
The ESR of the required capacitor can be less than, or
equal to 150 m
. Electrolytic capacitors have poor ripple
performance at frequencies greater than 400 kHz but
excellent low frequency transient response. Above the
ripple frequency, ceramic decoupling 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’s part numbers are identified in the capacitor
table.
N/R Not recommended. The voltage rating does not meet the minimin operating limits.
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PTH12000 Series
Table 2-1 Recommended Input/Output Capacitors
Tantalum/ Ceramic Capacitors
Tantalum capacitors are acceptable on the output bus.
Either tantalum or Os-con capacitor types are recom-
mended for applications where ambient temperatures
fall below 0 °C. Electrolytic capacitors may be substituted
with ceramic types with the minimum capacitance on the
input bus.
Capacitor Table
Table 2-1 identifies capacitors with acceptable ESR and
maximum allowable ripple current (rms) ratings. Capaci-
tors recommended for the output are identified under
the Output Bus column with the required quantity.
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 100 kHz) are critical parameters necessary to insure
both optimum regulator performance and long capacitor life.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PTH12030WAD | 功能描述:DC/DC轉(zhuǎn)換器 1.2 to 5.5V 26A 12V Input WideAdj Module 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(biāo)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(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH12030WADT | 制造商:EMERSON-NETWORKPOWER 制造商全稱:Emerson Network Power 功能描述:DC-DC CONVERTERS |
| PTH12030WAH | 功能描述:DC/DC轉(zhuǎn)換器 1.2 to 5.5V 26A 12V Input WideAdj Module 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(biāo)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(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PTH12030WAH | 制造商:POWER TRENDS 功能描述:IC DC/DC 12VIN 26A ADJ O/P 12030 |
| PTH12030WAHT | 制造商:EMERSON-NETWORKPOWER 制造商全稱:Emerson Network Power 功能描述:DC-DC CONVERTERS |
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