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參數(shù)資料
| 型號(hào)： | NCV8141D2T |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 5.0 V, 500 mA Linear Regulator with ENABLE, RESET, and Watchdog |
| 中文描述： | 5 V FIXED POSITIVE REGULATOR, PSSO7 |
| 封裝： | D2PAK-7 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大小： | 89K |
| 代理商： | NCV8141D2T |
NCV8141
http://onsemi.com
11
I
Q
is the quiescent current the regulator consumes at
I
OUT(max)
.
Figure 12. Single Output Regulator With Key
Performance Parameters Labeled
SMART
REGULATOR
Control
Features
I
OUT
I
IN
I
Q
V
IN
V
OUT
Once the value of P
D(max)
is known, the maximum
permissible value of R
JA
can be calculated:
150
°
C
RJA
TA
PD
(2)
The value of R
JA
can then be compared with those in the
package section of the data sheet. Those packages with
R
JA
’s less than the calculated value in Equation 2 will keep
the die temperature below 150
°
C.
In some cases, none of the packages will be sufficient to
dissipate the heat generated by the IC, and an external
heatsink will be required.
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 R
JA
.
RJA
RJC
RCS
RSA
(3)
where:
R
JC
= the junctiontocase thermal resistance,
R
CS
= the casetoheatsink thermal resistance, and
R
SA
= the heatsinktoambient thermal resistance.
R
JC
appears in the package section of the data sheet. Like
R
JA
, it too is a function of package type. R
CS
and R
SA
are
functions of the package type, heatsink and the interface
between them. These values appear in heatsink data sheets
of heatsink manufacturers.
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| NCV8141D2TR4 | 5.0 V, 500 mA Linear Regulator with ENABLE, RESET, and Watchdog |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCV8141D2TG | 功能描述:低壓差穩(wěn)壓器 - LDO 5V 500mA w/WatchDog 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 |
| NCV8141D2TR4 | 功能描述:低壓差穩(wěn)壓器 - LDO 5V 500mA w/WatchDog 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 |
| NCV8141D2TR4G | 功能描述:低壓差穩(wěn)壓器 - LDO ANA WATCHDOG REG 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 |
| NCV8184 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Micropower 70 mA Low Dropout Tracking Regulator/Line Driver |
| NCV8184/D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Micropower 70mA Low Dropout Tracking Regulator / Line Driver |
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