參數(shù)資料
型號(hào): R1141Q201D-TR
廠商: RICOH COMPANY LTD
元件分類: 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器
英文描述: SC82 120mA LDO REGULATOR
中文描述: 2 V FIXED POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO4
封裝: MINI, SC-82AB, 4 PIN
文件頁(yè)數(shù): 7/15頁(yè)
文件大小: 141K
代理商: R1141Q201D-TR
R1141Q
15
TECHNICAL NOTES
When using these ICs, consider the following points:
In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For
this purpose, be sure to use a capacitor COUT with good frequency characteristics and ESR (Equivalent Series
Resistance) of which is in the range described as follows:
The relations between IOUT (Output Current) and ESR of Output Capacitor are shown below. The conditions
when the white noise level is under 40V (Avg.) are marked as the hatched area in the graph.
<Test conditions>
(1) VIN=VSET+1V
(2) Frequency band: 10Hz to 30MHz
(3) Temperature: 25°C
R1141Q151x
R1141Q281x
100
10
1
0.1
0.01
Output Current IOUT (mA)
060
30
120
ESR
(
)
90
f=10HZ to 2MHZ,
CIN=Ceramic 1.0
F, COUT=Ceramic 2.2F
100
10
1
0.1
0.01
060
30
120
90
f=10HZ to 2MHZ,
CIN=Ceramic 1.0
F, COUT=Ceramic 2.2F
Output Current IOUT (mA)
ESR
(
)
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