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參數(shù)資料
| 型號： | NCV4275DSR4 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 5.0 V Low-Drop Voltage Regulator |
| 中文描述： | 5 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PSSO5 |
| 封裝： | D2PAK-5 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 80K |
| 代理商： | NCV4275DSR4 |
NCV4275
http://onsemi.com
5
Heat Sinks
A heat sink 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
is the junctiontocase thermal resistance,
R
CS
is the casetoheatsink thermal resistance,
R
SA
is 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 heat sink
data sheets of heat sink manufacturers.
Thermal, mounting, and heatsinking considerations are
discussed in the ON Semiconductor application note
AN1040/D.
V
I
V
Q
V
D
V
RO
Reset
Delay Time
Reset
Reaction Time
PoweronReset
Thermal
Shutdown
Voltage Dip
at Input
Undervoltage
Secondary
Spike
Overload
at Output
< Reset Reaction Time
t
t
t
t
V
Q,rt
Upper Timing Threshold
Lower Timing Threshold
dVD
dt
Reset Charge Current
CD
Figure 5. Reset Timing
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| NCV4275DT | 5.0 V Low-Drop Voltage Regulator |
| NCV4276A | 400 mA Low-Drop Voltage Regulator(400mA低壓降穩(wěn)壓器) |
| NCV4276 | 400 mA Low-Drop Voltage Regulator(400mA低壓降穩(wěn)壓器) |
| NCV4279 | 5.0 V Micropower 150 mA LDO Linear Regulator with DELAY, Adjustable RESET, and Sense Output(帶有延遲，可調(diào)復(fù)位和檢測輸出功能的5.0V，微功率150mA LDO線性穩(wěn)壓器) |
| NCV431AIDMR2 | PROGRAMMABLE PRECISION REFERENCES |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| NCV4275DSR4G | 功能描述:低壓差穩(wěn)壓器 - LDO ANA 450 mA LDO 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 |
| NCV4275DT | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:5.0 V Low-Drop Voltage Regulator |
| NCV4275DTRK | 功能描述:低壓差穩(wěn)壓器 - LDO 5V 450mA 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 |
| NCV4275DTRKG | 功能描述:低壓差穩(wěn)壓器 - LDO 5V 450mA 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 |
| NCV4276 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:AC-DC Offline Switching Controllers/Regulators |
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