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參數(shù)資料
| 型號： | PT5403C |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 5.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, MSMA5 |
| 封裝： | ROHS COMPLIANT, METAL, SMD-5 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 304K |
| 代理商： | PT5403C |
Application Notes
For technical support and further information, visit http://power.ti.com
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PT5400 Series
Capacitor Recommendations for the PT5400
SWIFT Series of Power Modules
Input Capacitors
The recommended input capacitance is determined by
100 F minimum capacitance, 300 mA (rms) minimum
ripple current rating, and less than 300 m
equivalent
series resistance (ESR). 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 3.3-V input voltage bus applications.
Output Capacitors (optional)
The ESR of the output bulk (non-ceramic) capacitance
must be between 10 m
≤ESR ≤200 m. Electrolytic
capacitors have poor ripple performance at frequen-
cies greater than 400 kHz but excellent low frequency
transient response. Above the ripple frequency, ceramic
decoupling capacitors are recommended to improve the
transient response and reduce any high frequency noise
components apparent during higher current excursions. A
maximum of 100 F ceramic capacitance may be added to
the output bus.
Tantalum/ Ceramic Capacitors
Tantalum capacitors are acceptable on the output bus.
Tantalum, Os-con, or ceramic capacitor types are rec-
ommended for applications where ambient temperatures
fall below 0 °C. Ceramic capacitors may be used instead
of electrolytic types on both the input and output bus.
The input bus must have at least the minimum amount of
capacitance. For the output bus the total amount of
ceramic capacitance should be limited to 100 F.
Capacitor Tables
Table 2-1 identifies vendors 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.
Table 2-1; Recommended Input/Output Capacitors
相關PDF資料 |
PDF描述 |
|---|---|
| PT5401N | 6 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, MSMA5 |
| PT5403A | 5.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, MSMA5 |
| PT5406N | 5.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, MSMA5 |
| PT5404C | 5.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, MSMA5 |
| PT5406C | 5.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, MSMA5 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PT5403N | 功能描述:開關變換器、穩(wěn)壓器與控制器 2V 6A 3.3/5V Input Adj SWIFT Module RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| PT5404 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:6-A 5-V/3.3-V Input Adjustable SWIFT Power Module |
| PT5404A | 功能描述:DC/DC轉(zhuǎn)換器 1.8V 6A 3.3/5V Input Adj SWIFT 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: |
| PT5404C | 功能描述:DC/DC轉(zhuǎn)換器 1.8V 6A 3.3/5V Input Adj SWIFT 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: |
| PT5404N | 功能描述:DC/DC轉(zhuǎn)換器 1.8V 6A 3.3/5V Input Adj SWIFT 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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