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TPS71701 PDF预览

TPS71701

更新时间: 2024-10-28 07:04:51
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
28页 929K
描述
Low Noise, High-Bandwidth PSRR Low-Dropout 150mA Linear Regulator

TPS71701 数据手册

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TPS717xx  
SBVS068EFEBRUARY 2006REVISED MAY 2008..................................................................................................................................................... www.ti.com  
TYPICAL CHARACTERISTICS  
Over operating temperature range (TJ = –40°C to +125°C), VIN = VOUT(TYP) + 0.5V or 2.5V, whichever is greater; IOUT = 0.5mA,  
VEN = VIN, COUT = 1.0µF, CNR = 0.01µF, unless otherwise noted. For TPS71701, VOUT = 2.8V.  
Typical values are at TJ = +25°C.  
LOAD REGULATION  
LOAD REGULATION UNDER LIGHT LOADS  
50  
40  
50  
40  
TJ = -40°C  
TJ = +25°C  
TJ = +85°C  
TJ = +125°C  
TJ = -40°C  
TJ = +25°C  
TJ = +85°C  
TJ = +125°C  
30  
30  
20  
20  
10  
10  
0
0
-10  
-20  
-30  
-40  
-50  
-10  
-20  
-30  
-40  
-50  
0
2.5  
0
1
2
3
4
5
6.5  
150  
150  
0
50  
100  
IOUT (mA)  
IOUT (mA)  
Figure 3.  
Figure 4.  
LINE REGULATION  
IOUT = 5mA  
LINE REGULATION  
IOUT = 150mA  
1.0  
0.8  
3.0  
2.0  
TJ = -40°C  
TJ = +25°C  
TJ = +85°C  
TJ = +125°C  
TJ = -40°C  
TJ = +25°C  
TJ = +85°C  
TJ = +125°C  
0.6  
0.4  
1.0  
0.2  
0
0
-0.2  
-0.4  
-0.6  
-0.8  
-1.0  
-1.0  
-2.0  
-3.0  
2.5  
3.5  
4.5  
5.5  
6.5  
3.5  
4.5  
5.5  
VIN (V)  
VIN (V)  
Figure 5.  
Figure 6.  
OUTPUT VOLTAGE vs  
TEMPERATURE  
DROPOUT VOLTAGE vs  
OUTPUT CURRENT  
2.0  
1.5  
250  
200  
150  
100  
50  
TJ = +125°C  
1.0  
0.5  
IOUT = 5mA  
TJ = +85°C  
0
-0.5  
-1.0  
-1.5  
-2.0  
IOUT = 100mA  
TJ = +25°C  
IOUT = 150mA  
TJ = -40°C  
0
-40 -25 -10  
5
20 35 50 65 80 95 110 125  
50  
100  
TJ (°C)  
IOUT (mA)  
Figure 7.  
Figure 8.  
6
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Copyright © 2006–2008, Texas Instruments Incorporated  

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