參數(shù)資料
型號(hào): MC78PC18
廠商: ON SEMICONDUCTOR
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: Low Noise 150 mA Low Drop Out (LDO) Linear Voltage Regulator(低噪聲,150 mA低壓差線性穩(wěn)壓器)
中文描述: 低噪聲一百五毫安低壓差(LDO)線性穩(wěn)壓器(低噪聲,一百五毫安低壓差線性穩(wěn)壓器)
文件頁(yè)數(shù): 12/16頁(yè)
文件大?。?/td> 143K
代理商: MC78PC18
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 C
OUT
with good frequency characteristics
and ESR (Equivalent Series Resistance) as described in
the graphs on page 11.
On page 11, the relations between I
OUT
(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
V
IN
5
V
OUT
3
2
GND
CE
CERAMIC
CAPACITOR
1.0 F
Figure 46. Measuring Circuit for White Noise: MC78PC30
CERAMIC
CAPACITOR
S.A.
SPECTRUM
ANALYSER
ESR
I
OUT
4.0 V
MEASURING CONDITIONS: (1) FREQUENCY RANGE: 10 Hz TO 1.0 MHz
MEASURING CONDITIONS:
(2) TEMPERATURE: 25
°
C
Please be sure the V
in
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 V
in
and GND as close as possible to V
in
or
GND.
Set external components, especially the Output Capacitor,
as close as possible to the circuit, and make the wiring as
short as possible.
V
IN
V
OUT
GND
CAP.
MC78PCxx
CE
CAP.
IN
Figure 47. Typical Application
OUT
+
+
相關(guān)PDF資料
PDF描述
MC78PC30 Low Noise 150 mA Low Drop Out (LDO) Linear Voltage Regulator(低噪聲,150 mA低壓差線性穩(wěn)壓器)
MC78PC33 Low Noise 150 mA Low Drop Out (LDO) Linear Voltage Regulator(低噪聲150mA低壓差(LDO)線性穩(wěn)壓器)
MC78PC50 Low Noise 150 mA Low Drop Out (LDO) Linear Voltage Regulator(低噪聲150mA低壓差(LDO)線性穩(wěn)壓器)
MC78PC25 Low Noise 150 mA Low Drop Out (LDO) Linear Voltage Regulator(低噪聲150mA低壓差(LDO)線性穩(wěn)壓器)
MC78PC28 Low Noise 150 mA Low Drop Out (LDO) Linear Voltage Regulator(低噪聲150mA低壓差(LDO)線性穩(wěn)壓器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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MC78PC18NTRG 功能描述:低壓差穩(wěn)壓器 - LDO 1.8V 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(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(lèi)型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MC78PC18NTRG-CUT TAPE 制造商:ON 功能描述:MC78PC00 Series 9 V 150 mA Surface Mount LDO Linear Voltage Regulator-SOT-23-5
MC78PC25NTR 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel 制造商:ON Semiconductor 功能描述:
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