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參數(shù)資料
| 型號(hào)： | TA48LS00F |
| 廠商： | Toshiba Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 300 mA Output Current, Variable Output Voltage and Low Dropout Voltage Regulator with ON/OFF Control Switch |
| 中文描述： | 300毫安輸出電流，可變輸出電壓和低壓差穩(wěn)壓器的開/關(guān)控制開關(guān) |
| 文件頁數(shù)： | 5/9頁 |
| 文件大小： | 315K |
| 代理商： | TA48LS00F |
TA48LS00F
2007-06-22
5
Electrical Characteristics Common to All Products
T
j
=
25°C in the measurement conditions of each item is the standard condition when a pulse test is carried
out, and any drift in the electrical characteristic due to a rise in the junction temperature of the chip may be
disregarded.
Standard Application Circuit
Be sure to connect a capacitor near the input terminal and output terminal between both terminals and GND.
The use of a monolithic ceramic capacitor (B Characteristic or X7R) of low ESR (equivalent series resistance)
is recommended. The IC may oscillate due to external conditions (output current, temperature, or the type of
the capacitor used). The type of capacitor required must be determined by the actual application circuit in
which the IC is used.
Setting Output Voltage
The output voltage is determined by the equation shown below. When you control the output voltage with R1,
a recommended value to use for R2 is 5 k
Ω
. R1 and R2 must be placed as close as possible to each other, and
the board trace to the ADJ terminal must be kept as short as possible.
)
R2
R1
+
1
(
×
REF
V
=
OUT
V
The notice in case of application
The IC might be destroyed if a voltage greater than the input terminal voltage is applied to the output
terminal, or if the input terminal is connected to GND during operation. To prevent such an occurrence,
connect a diode as in the following diagram.
There is a possibility that internal parasitic devices may be generated when momentary transients cause a
terminal’s potential to fall below that of the GND terminal. In such case, that the device could be destroyed.
The voltage of each terminal and any state must therefore never fall below the GND potential.
。
Depending on the load conditions, a steep increase in the input voltage applied (V
IN
) may cause a momentary
rise in output voltage (V
OUT
) even if the EN (enable) pin is Low. Treat with care.
C
IN
0.33
μ
F
IN
OUT
EN
ADJ
GND
CPU etc.
Load
C
OUT
1
F
TA48LS00F
R1
R2
C
IN
0.33
μ
F
IN
OUT
EN
ADJ
GND
CPU etc.
Load
C
OUT
1
F
TA48LS00F
R1
R2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TA48LS00F(TE85L,F) | 功能描述:低壓差穩(wěn)壓器 - LDO Volt Reg IC LDO Input 14V Output adj 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: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TA48LS015F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:300 mA Output Current and Low Dropout Voltage Regulator with ON/OFF Control Switch |
| TA48LS015F(TE85L,F | 制造商:Toshiba 功能描述:PS-8(2.9 x 2.8) t@\tM[^ Cut Tape 制造商:Toshiba America Electronic Components 功能描述:Linear Reg.,LDO,Vo=1.5V,Io=0.3A,PS8 制造商:Toshiba 功能描述:0 |
| TA48LS018F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:300 mA Output Current and Low Dropout Voltage Regulator with ON/OFF Control Switch |
| TA48LS018F(TE85L,F | 制造商:Toshiba 功能描述:PS-8(2.9 x 2.8) t@\tM[^ Cut Tape 制造商:Toshiba America Electronic Components 功能描述:Linear Reg.,LDO,Vo=1.8V,Io=0.3A,PS8 制造商:Toshiba 功能描述:0 |
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