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參數資料
| 型號： | TK11122S |
| 廠商： | TOKO Inc. |
| 英文描述： | VOLTAGE REGULATOR WITH ON/OFF SWITCH |
| 中文描述： | 調壓器ON / OFF開關 |
| 文件頁數： | 13/16頁 |
| 文件大?。?/td> | 84K |
| 代理商： | TK11122S |
March 1999 TOKO, Inc.
Page 13
TK111xxS
The table below shows typical characteristics for several types and values of capacitance. Please note that the ESR
varies widely depending upon manufacturer, type, size, and material.
BOARD LAYOUT
Copper pattern should be as large as possible. Power dissipation is 500 mW for the SOT-23-5. A low ESR capacitor is
recommended. For low temperature operation, select a capacitor with a low ESR at the lowest operating temperature
to prevent oscillation, degradation of ripple rejection and increase in noise. The minimum recommended capacitance is
1.0
μ
F.
SOT-23-5 BOARD LAYOUT
APPLICATION INFORMATION (CONT.)
Note: ESR is measured at 10 kHz.
ESR
Capacitance
Aluminum
Capacitor
Tantalum
Capacitor
Ceramic
Capacitor
1.0
μ
F
2.4
2.3
0.140
2.2
μ
F
2.0
1.9
0.059
3.3
μ
F
4.6
1.0
0.049
10
μ
F
1.4
0.5
0.025
+
+
CONTROL
VIN
VOUT
NOISE BYPASS
GND
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