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參數(shù)資料
| 型號(hào)： | NCV4279CD1 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器 |
| 英文描述： | 5 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PDSO8 |
| 封裝： | SO-8 |
| 文件頁數(shù)： | 12/12頁 |
| 文件大?。?/td> | 342K |
| 代理商： | NCV4279CD1 |
NCV4279C
http://onsemi.com
9
HEATSINKS
A heatsink effectively increases the surface area of the
package to improve the flow of heat away from the IC and
into the surrounding air.
Each material in the heat flow path between the IC and the
outside environment will have a thermal resistance. Like
series electrical resistances, these resistances are summed to
determine the value of RθJA:
RθJA = RθJC + RθCS + RθSA
(3)
where:
RθJC = the junction--to--case thermal resistance,
RθCS = the case--to--heatsink thermal resistance, and
RθSA = the heatsink--to--ambient thermal resistance.
RθJC appears in the package section of the data sheet. Like
RθJA, it too is a function of package type. RθCS and RθSA are
functions of the package type, heatsink and the interface
between them. These values appear in heatsink data sheets
of heat sink manufacturers.
Further mounting and cooling information is available in
the application note, AN1040/D, “Mounting Considerations
for
Power
Semiconductors”
located
in
the
ON Semiconductor web site.
Thermal, mounting, and heatsinking are discussed in the
ON Semiconductor applications note AN1040/D.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCV4279CD2R2G | 制造商:ON Semiconductor 功能描述:150MA LDO LINEAR REGULATOR, PB FREE - Tape and Reel |
| NCV4279D1 | 功能描述:低壓差穩(wěn)壓器 - LDO 5V 150mA MicroPower RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCV4279D1G | 功能描述:低壓差穩(wěn)壓器 - LDO 5V 150mA MicroPower w/Sense Output RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCV4279D1R2 | 功能描述:低壓差穩(wěn)壓器 - LDO 5V 150mA MicroPower RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| NCV4279D1R2G | 功能描述:低壓差穩(wěn)壓器 - LDO 5V 150mA MicroPower w/Sense Output RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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