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參數(shù)資料
| 型號： | MC78PC33NTR |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Low Noise 150 mA Low Drop Out(LDO) Linear Voltage Regulator |
| 中文描述： | 3.3 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO5 |
| 封裝： | PLASTIC, SOT-23, 5 PIN |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 349K |
| 代理商： | MC78PC33NTR |
MC78PC00 Series
http://onsemi.com
12
APPLICATION HINTS
When using these circuits, please be sure to observe the
following points:
Phase compensation is made for securing stable operation
even if the load current varies. For this reason, be sure to
use a capacitor COUT with good frequency characteristics
and ESR (Equivalent Series Resistance) as described in
the graphs on page 11.
On page 11, the relations between IOUT (Output Current)
and ESR of Output Capacitor are shown. The conditions
where the white noise level is under 40 V (Avg.) are
marked by the shaded area in the graph. (note: When
additional ceramic capacitors are connected to the Output
Pin with Output capacitor for phase compensation, there
is a possibility that the operation will be unstable. Because
of this, test these circuits with as same external
components as ones to be used on the PCB).
1
VIN
5
VOUT
3
2
GND
CE
CERAMIC
CAPACITOR
1.0 F
Figure 46. Measuring Circuit for White Noise: MC78PC30
CERAMIC
CAPACITOR
S.A.
SPECTRUM
ANALYSER
ESR
IOUT
4.0 V
MEASURING CONDITIONS: (1) FREQUENCY RANGE: 10 Hz TO 1.0 MHz
MEASURING CONDITIONS:
(2) TEMPERATURE: 25
°
C
Please be sure the Vin and GND lines are sufficiently
wide. When the impedance of these lines is high, there is
a chance to pick up noise or to malfunction.
Connect the capacitor with a capacitance of 1.0 F or
more between Vin and GND as close as possible to Vin or
GND.
Set external components, especially the Output Capacitor,
as close as possible to the circuit, and make the wiring as
short as possible.
VIN
VOUT
GND
CAP.
MC78PCxx
CE
CAP.
IN
Figure 47. Typical Application
OUT
+
+
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC78PC33NTRG | 功能描述:低壓差穩(wěn)壓器 - LDO 3.3V 150mA CMOS 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 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MC78PC33NTRG | 制造商:ON Semiconductor 功能描述:Linear Voltage Regulator IC |
| MC78PC33NTRG-CUT TAPE | 制造商:ON 功能描述:MC78PC33 Series 150 mA Low Noise, Low Dropout Linear Voltage Regulator |
| MC78PC50NTR | 制造商:Rochester Electronics LLC 功能描述: 制造商:ONS 功能描述:ON SEMICONDUCTOR no date code S7D9B 制造商:ON Semiconductor 功能描述: |
| MC78PC50NTRG | 功能描述:低壓差穩(wěn)壓器 - LDO 5.0V 150mA CMOS 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 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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