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參數(shù)資料
| 型號： | TK11125S |
| 廠商： | TOKO Inc. |
| 英文描述： | VOLTAGE REGULATOR WITH ON/OFF SWITCH |
| 中文描述： | 調(diào)壓器ON / OFF開關(guān) |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 84K |
| 代理商： | TK11125S |
Page 12
March 1999 TOKO, Inc.
TK111xxS
INPUT-OUTPUT CAPACITORS
Linear regulators require input and output capacitors in order to maintain regulator loop stability. The recommended
minimum value of the input capacitor is 0.1
μ
F. The output capacitor should be selected within the Equivalent Series
Resistance (ESR) range as shown in the graphs below for stable operation. When a ceramic capacitor is connected in
parallel with the output capacitor, a maximum of 1000 pF is recommended. This is because the ceramic capacitor's
electrical characteristics (capacitance and ESR) vary widely over temperature. If a large ceramic capacitor is used, a
resistor should be connected in series with it to bring it into the stable operating area shown in the graphs below. Minimum
resistance should be added to maintain load and line transient response.
Note: It is very important to check the selected manufacturers electrical characteristics (capacitance and ESR) over
temperature.
APPLICATION INFORMATION
100
10
1
0.1
0 .01
1
50
100
130
IOUT (mA)
E
OSAREA
100
10
1
0.1
0 .01
1
50
100
130
IOUT (mA)
E
OAREA
100
10
1
0.1
0 .01
1
50
100
130
IOUT (mA)
E
OSAREA
100
10
1
0.1
0 .01
1
50
100
130
IOUT (mA)
E
OAREA
C
L
= 1
μ
F
C
L
= 2.2
μ
F
C
L
= 3.3
μ
F
C
L
= 10
μ
F
Note: It is not necessary to connect a ceramic capacitor in parallel
with an aluminum or tantalum output capacitor.
111xxS
CL
ESR
TK111xxS
CL
ESR
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