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參數(shù)資料
| 型號： | TK71548SCL |
| 廠商： | TOKO INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | LOW DROPOUT VOLTAGE REGULATOR |
| 中文描述： | 4.8 V FIXED POSITIVE LDO REGULATOR, 0.28 V DROPOUT, PDSO3 |
| 封裝： | MINIATURE, SOT-23, 3 PIN |
| 文件頁數(shù)： | 11/13頁 |
| 文件大小： | 76K |
| 代理商： | TK71548SCL |
January 1999 TOKO, Inc.
Page 11
TK715xx
In general, the capacitor should be at least 1
μ
F and be rated for the actual ambient operating temperature range. 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 350 mW for SOT-23-3. 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
2.2
μ
F.
The internal reverse bias protection eliminates the requirement for a reverse voltage protection diode. This saves both
cost and board space.
SOT-23-3 BOARD LAYOUT
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
APPLICATION INFORMATION (CONT.)
+
+
VIN
VOUT
GND
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| TK71549 | LOW DROPOUT VOLTAGE REGULATOR |
| TK71549AS | LOW DROPOUT VOLTAGE REGULATOR |
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| TK71550 | LOW DROPOUT VOLTAGE REGULATOR |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TK71548SCL/48 | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:LOW DROPOUT VOLTAGE REGULATOR |
| TK71549 | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:LOW DROPOUT VOLTAGE REGULATOR |
| TK71549AS | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:LOW DROPOUT VOLTAGE REGULATOR |
| TK71549ASCL | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:LOW DROPOUT VOLTAGE REGULATOR |
| TK71549ASCL/49 | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:LOW DROPOUT VOLTAGE REGULATOR |
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